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Alqhtani AH, Al Sulaiman AR, Alharthi AS, Abudabos AE. Dietary supplementation of prebiotic yeast Saccharomyces cerevisiae cell wall promotes growth performance and intestinal health in broiler chickens challenged with Clostridium perfringens. Br Poult Sci 2024; 65:129-136. [PMID: 38416108 DOI: 10.1080/00071668.2023.2296938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 11/28/2023] [Indexed: 02/29/2024]
Abstract
1. This study evaluated the effectiveness of yeast (Saccharomyces cerevisiae) cell wall (YCW) supplementation on the growth performance, carcase characteristics, serum biomarkers, liver function, ileal histology and microbiota of broiler chickens challenged with Clostridium perfringens (C. perfringens).2. In a 35-d trial, 240 chicks aged 1-d-old were randomly assigned to one of four treatment groups, each with 10 replicates: control (CON) with no challenge or additives, challenged with C. perfringens (CHAL), CHAL and supplemented with YCW at either 0.25 g/kg (YCW0.25) or 0.5 g/kg (YCW0.5).3. In comparison to CON, the CHAL birds had reduced growth performance, survival rate, dressing percentage, breast meat yield, levels of total protein (TP), globulin (GLO), glucose (GLU), total antioxidant capacity (T-AOC) and total superoxide dismutase (T-SOD), as well as a decreased Lactobacillus population (P < 0.01). Additionally, this group showed elevated levels of glutamic oxaloacetic transaminase (GOT), glutamic pyruvic transaminase (GPT), and C. perfringens count (P < 0.01). Compared to CHAL, the YCW0.25 or YCW0.5 groups had improved growth performance, survival rate, dressing percentage, breast meat yield, levels of TP, GLO, GLU, and T-AOC, as well as the activities of T-SOD, GOT, and GPT, villus height, villus surface area, villus height to crypt depth ratio, and the populations of both Lactobacillus and C. perfringens; (P < 0.01).4. The data suggested that YCW supplementation at either 0.25 or 0.50 g/kg can restore the growth performance of broiler chickens during a C. perfringens challenge.
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Affiliation(s)
- A H Alqhtani
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - A R Al Sulaiman
- Environmental Protection Technologies Institute, Sustainability and Environment Sector, King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
| | - A S Alharthi
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - A E Abudabos
- Department of Agriculture, School of Agriculture and Applied Sciences, Alcorn State University, Lorman, MS, USA
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2
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Mullenix GJ, Greene ES, Ramser A, Maynard C, Dridi S. Effect of a microencapsulated phyto/phycogenic blend supplementation on growth performance, processing parameters, meat quality, and sensory profile in male broilers. Front Vet Sci 2024; 11:1382535. [PMID: 38605922 PMCID: PMC11007207 DOI: 10.3389/fvets.2024.1382535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Accepted: 03/11/2024] [Indexed: 04/13/2024] Open
Abstract
Powered by consumer taste, value, and preferences, natural products including phytogenics and algae are increasingly and separately used in the food systems where they have been reported to improve growth performance in poultry and livestock. The present study aimed to determine the effects of a new feed additive, microencapsulated NUQO© NEX, which contains a combination of phytogenic and phycogenic, on broiler growth performance, blood chemistry, bone health, meat quality and sensory profile. Male Cobb500 chicks (n = 1,197) were fed a 3-phase feeding intervals; 1-14d starter, 15-28d grower, and 29-40d finisher. The dietary treatments included a corn-soy basal Control (CON), basal diet supplemented with NUQO© NEX at 100 g/ton from 1 to 28d then 75 g/ton from d 28 to 40 (NEX75), and basal diet supplemented with NUQO© NEX at 100 g/ton from 1 to 40d (NEX100). The NEX100 supplemented birds had 62 g more BWG increase and 2.1-point improvement in FCR compared with CON in the finisher and overall growth phase (p < 0.05), respectively. Day 40 processing body weights and carcass weights were heavier for the NEX100 supplemented birds (p < 0.05). The incidences of muscle myopathies were also higher in NEX treatments, which could be associated with the heavier weights, but the differences were not detected to be significant. The NEX75 breast filets had more yellowness than other dietary treatments (p = 0.003) and the NEX 100 treatment reduced the levels of breast filet TBARS at 7 days-post harvest (p = 0.053). Finally, both NEX treatments reduced the incidence of severe bone (tibia and femur) lesions. In conclusion, the supplementation of the phytogenic NUQO© NEX improved finisher performance parameters, whole phase FCR, processing carcass weights, and breast filet yellowness, at varying inclusion levels.
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Affiliation(s)
| | | | | | | | - Sami Dridi
- Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
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Niu Y, Chen Y, Liu J, Liu Y, Xiao S, Yang C, Yang T, Huan W. Effect of diets supplemented with coated plant essential oil on the growth performance, immunity, antioxidant activity, and fecal microbiota of weaned piglets. Front Vet Sci 2024; 11:1346922. [PMID: 38528870 PMCID: PMC10962761 DOI: 10.3389/fvets.2024.1346922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 02/06/2024] [Indexed: 03/27/2024] Open
Abstract
Introduction This trial was conducted to compare the effect of diets supplemented with plant essential oil (PEO) and coated plant essential oil (CEO) on growth performance, immunity, antioxidant activity, and fecal microbiota of weaned piglets. Methods A total of 360 21-day-old weaned piglets were randomly allocated into three groups, namely, CON, PEO, and CEO (basal diets supplemented with 0, 500 mg/kg PEO, and 500 mg/kg CEO, respectively) for a 4-week feeding trial. Results and discussion The results showed that dietary supplementation with CEO improved the average final weight and average daily gain, decreased the diarrhea rate, increased antioxidant enzyme activities, enhanced immunoglobulin concentrations, and decreased concentrations of pro-inflammatory cytokines in the serum of weaned piglets (p < 0.05). In addition, CEO addition increased the fecal concentrations of propionic acid and isovaleric acid of piglets (p < 0.05). Spearman correlation analysis showed that fecal microorganisms at the genus level were closely correlated with the volatile fatty acid concentrations. The present study indicated that PEO and CEO could improve growth performance, enhance immunity, and increase antioxidant capacity by modulating the microbial flora in weaned piglets. Moreover, CEO addition seemed to offer more positive results than of PEO addition.
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Affiliation(s)
- Yu Niu
- College of Animal Science and Technology and College of Veterinary Medicine, Zhejiang A & F University, Hangzhou, Zhejiang, China
| | - Yiying Chen
- College of Animal Science and Technology and College of Veterinary Medicine, Zhejiang A & F University, Hangzhou, Zhejiang, China
| | - Jinsong Liu
- Zhejiang Huijia Biotechnology Co., Ltd., Huzhou, Zhejiang, China
| | - Yulan Liu
- Zhejiang Huijia Biotechnology Co., Ltd., Huzhou, Zhejiang, China
| | - Shiping Xiao
- Zhejiang Huijia Biotechnology Co., Ltd., Huzhou, Zhejiang, China
| | - Caimei Yang
- Zhejiang Huijia Biotechnology Co., Ltd., Huzhou, Zhejiang, China
| | - Ting Yang
- College of Animal Science and Technology and College of Veterinary Medicine, Zhejiang A & F University, Hangzhou, Zhejiang, China
| | - Weiwei Huan
- College of Chemistry and Materials Engineering, Zhejiang A & F University, Hangzhou, Zhejiang, China
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Mantzios T, Stylianaki I, Savvidou S, Dokou S, Papadopoulos GΑ, Panitsidis I, Patsias A, Raj J, Vasiljević M, Pajić M, Gomez-Osorio LM, Bošnjak-Neumüller J, Tsiouris V, Giannenas I. Effects of Dietary Supplementation of Essential Oils, Lysozyme, and Vitamins' Blend on Layer Hen Performance, Viral Vaccinal Response, and Egg Quality Characteristics. Vaccines (Basel) 2024; 12:147. [PMID: 38400131 PMCID: PMC10893408 DOI: 10.3390/vaccines12020147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/16/2024] [Accepted: 01/23/2024] [Indexed: 02/25/2024] Open
Abstract
Maintaining respiratory tract health is crucial for layers, impacting gut health, laying performance, and egg quality. Viral diseases and standard vaccinations can compromise tracheal epithelium function, leading to oxidative stress. This study assessed the impact of a blend of feed additives, predominantly lysozyme (L), essential oils (EO), and vitamins (VIT) (referred to as L + EO + VIT), on young layers during an oral vaccination schedule. The supplementation significantly enhanced antibody titers for Newcastle Disease Virus (NDV) and Infectious Bronchitis Virus (IBV) after vaccination, trachea functionality and intestinal health in the jejunum, increased egg production, and exhibited a trend toward higher egg weight. Although feed intake showed no significant difference, egg quality remained consistent across experimental groups. Moreover, L + EO + VIT supplementation elevated total phenolic content in eggs, improving oxidative stability in both fresh and stored eggs, particularly under iron-induced oxidation. Notably, it substantially reduced yolk lipid peroxidation and albumen protein carbonyls. In conclusion, water supplementation with L + EO + VIT may enhance humoral immune response to IBV and NDV, positively impacting hen productivity. These findings indicate improved tracheal function and enhanced oxidative stability, emphasizing the potential of this blend in promoting overall health and performance in layers.
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Affiliation(s)
- Tilemachos Mantzios
- Unit of Avian Medicine, Clinic of Farm Animals, Aristotle University of Thessaloniki, Stavrou Voutyra 11, 54627 Thessaloniki, Greece; (T.M.); (V.T.)
| | - Ioanna Stylianaki
- Laboratory of Pathology, Faculty of Veterinary Medicine, Aristotle University, 54124 Thessaloniki, Greece;
| | - Soumela Savvidou
- Research Institute of Animal Science, Hellenic Agricultural Organisation-Demeter, 58100 Giannitsa, Greece;
| | - Stella Dokou
- Laboratory of Nutrition, Faculty of Veterinary Medicine, Aristotle University, 54124 Thessaloniki, Greece; (S.D.); (I.P.)
| | - Georgios Α. Papadopoulos
- Laboratory of Animal Husbandry, Faculty of Veterinary Medicine, Aristotle University, 54124 Thessaloniki, Greece;
| | - Ioannis Panitsidis
- Laboratory of Nutrition, Faculty of Veterinary Medicine, Aristotle University, 54124 Thessaloniki, Greece; (S.D.); (I.P.)
| | - Apostolos Patsias
- Agricultural Poultry Cooperation of Ioannina “PINDOS”, Rodotopi, 45500 Ioannina, Greece;
| | - Jog Raj
- PATENT CO. DOO, 24211 Misicevo, Serbia; (J.R.); (M.V.); (L.-M.G.-O.); (J.B.-N.)
| | - Marko Vasiljević
- PATENT CO. DOO, 24211 Misicevo, Serbia; (J.R.); (M.V.); (L.-M.G.-O.); (J.B.-N.)
| | - Marko Pajić
- Department for Epizootiology, Clinical Diagnostic, Pathology and DDD, Scientific Veterinary Institute “Novi Sad”, Rumenački Put 20, 21000 Novi Sad, Serbia;
| | | | | | - Vasilios Tsiouris
- Unit of Avian Medicine, Clinic of Farm Animals, Aristotle University of Thessaloniki, Stavrou Voutyra 11, 54627 Thessaloniki, Greece; (T.M.); (V.T.)
| | - Ilias Giannenas
- Laboratory of Nutrition, Faculty of Veterinary Medicine, Aristotle University, 54124 Thessaloniki, Greece; (S.D.); (I.P.)
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Barbosa CR, Pantoja JC, Fernandes T, Chagas RA, Souza CG, Santos ARD, Alves JP, Vargas Junior FM. Ruminal modulator additive effect of Stryphnodendron rotundifolium bark in feedlot lambs. Trop Anim Health Prod 2024; 56:53. [PMID: 38261014 DOI: 10.1007/s11250-024-03903-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 01/17/2024] [Indexed: 01/24/2024]
Abstract
The study aimed to evaluate the inclusion effects of Stryphnodendron rotundifolium (barbatimão) extracts in substitution of the lasalocid sodium on the ingestive behaviour, intake, ruminal parameters, and digestibility of feedlot lambs. Twenty-four pantaneiro lambs were used, with an average age of 150 ± 4.59 days and an initial body weight of 21.2 ± 3.63 kg. The lambs were distributed in three treatments in an experimental design with randomized blocks. The treatments correspond to the additive supplements: LAS (0.019 g of lasalocid sodium/lamb/d); DGB (1.50 g of barbatimão dried ground bark/lamb/d); DHE (0.30 g of barbatimão dry hydroalcoholic extract/lamb/d). The DHE increased 59.74 min in the time spent for ingestion per day, resulting in an efficiency reduction of dry matter (DM) ingestion (127 g of DM/h of feed). There was a reduction of 1.8 mg/dL in the ammoniacal nitrogen concentration with extract supplementation compared to LAS. The DGB reduced total volatile fatty acids by 48.9% compared to the control treatment. The inclusion of barbatimão extracts (DGB and DHE) reduced 12.05% of ruminal butyrate content. The supplementation of barbatimão extracts replacing lasalocid sodium in the diet of feedlot lambs did not affect intake and caused small changes on ingestive behaviour.
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Affiliation(s)
- Cristiane R Barbosa
- Agrarian Sciences Department, Federal University of Grande Dourados, Dourados, 79804-970, Brazil
| | - Jéssica C Pantoja
- Agrarian Sciences Department, Federal University of Grande Dourados, Dourados, 79804-970, Brazil
| | - Tatiane Fernandes
- School of Animal Sciences, Virginia Polytechnic Institute and State University, Blacksburg, 24061, USA
| | - Renata A Chagas
- Agrarian Sciences Department, Federal University of Grande Dourados, Dourados, 79804-970, Brazil
| | - Carla G Souza
- Agrarian Sciences Department, Federal University of Grande Dourados, Dourados, 79804-970, Brazil
| | - Aylpy R D Santos
- Agrarian Sciences Department, Federal University of Grande Dourados, Dourados, 79804-970, Brazil
| | - Joyce P Alves
- Agrarian Sciences Department, Federal University of Grande Dourados, Dourados, 79804-970, Brazil
| | - Fernando M Vargas Junior
- Agrarian Sciences Department, Federal University of Grande Dourados, Dourados, 79804-970, Brazil.
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James C, James SJ, Onarinde BA, Dixon RA, Williams N. A Critical Review of AMR Risks Arising as a Consequence of Using Biocides and Certain Metals in Food Animal Production. Antibiotics (Basel) 2023; 12:1569. [PMID: 37998771 PMCID: PMC10668721 DOI: 10.3390/antibiotics12111569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 10/15/2023] [Accepted: 10/23/2023] [Indexed: 11/25/2023] Open
Abstract
The focus of this review was to assess what evidence exists on whether, and to what extent, the use of biocides (disinfectants and sanitizers) and certain metals (used in feed and other uses) in animal production (both land and aquatic) leads to the development and spread of AMR within the food chain. A comprehensive literature search identified 3434 publications, which after screening were reduced to 154 relevant publications from which some data were extracted to address the focus of the review. The review has shown that there is some evidence that biocides and metals used in food animal production may have an impact on the development of AMR. There is clear evidence that metals used in food animal production will persist, accumulate, and may impact on the development of AMR in primary animal and food production environments for many years. There is less evidence on the persistence and impact of biocides. There is also particularly little, if any, data on the impact of biocides/metal use in aquaculture on AMR. Although it is recognized that AMR from food animal production is a risk to human health there is not sufficient evidence to undertake an assessment of the impact of biocide or metal use on this risk and further focused in-field studies are needed provide the evidence required.
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Affiliation(s)
- Christian James
- Formerly Food Refrigeration & Process Engineering Research Centre (FRPERC), Grimsby Institute, Nuns Corner, Grimsby DN34 5BQ, UK;
- National Centre for Food Manufacturing (NCFM), University of Lincoln, South Lincolnshire Food Enterprise Zone, Peppermint Way, Holbeach PE12 7FJ, UK;
| | - Stephen J. James
- Formerly Food Refrigeration & Process Engineering Research Centre (FRPERC), Grimsby Institute, Nuns Corner, Grimsby DN34 5BQ, UK;
- National Centre for Food Manufacturing (NCFM), University of Lincoln, South Lincolnshire Food Enterprise Zone, Peppermint Way, Holbeach PE12 7FJ, UK;
| | - Bukola A. Onarinde
- National Centre for Food Manufacturing (NCFM), University of Lincoln, South Lincolnshire Food Enterprise Zone, Peppermint Way, Holbeach PE12 7FJ, UK;
| | - Ronald A. Dixon
- School of Life and Environmental Sciences, University of Lincoln, Lincoln LN6 7DL, UK;
| | - Nicola Williams
- Institute of Infection, Veterinary and Ecological Sciences, University of Liverpool, Leahurst Campus, Neston CH64 7TE, UK;
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Merino N, Berdejo D, Pagán E, Girard C, Kerros S, Spinozzi E, Pagán R, García-Gonzalo D. Phenotypic and Genotypic Comparison of Antimicrobial-Resistant Variants of Escherichia coli and Salmonella Typhimurium Isolated from Evolution Assays with Antibiotics or Commercial Products Based on Essential Oils. Pharmaceuticals (Basel) 2023; 16:1443. [PMID: 37895914 PMCID: PMC10610042 DOI: 10.3390/ph16101443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/06/2023] [Accepted: 10/07/2023] [Indexed: 10/29/2023] Open
Abstract
On account of the widespread development and propagation of antimicrobial-resistant (AMR) bacteria, essential oils (EOs) have emerged as potential alternatives to antibiotics. However, as already observed for antibiotics, recent studies have raised concerns regarding the potential emergence of resistant variants (RVs) to EOs. In this study, we assessed the emergence of RVs in Escherichia coli and Salmonella enterica Typhimurium after evolution assays under extended exposure to subinhibitory doses of two commercial EOs (AEN and COLIFIT) as well as to two antibiotics (amoxicillin and colistin). Phenotypic characterization of RVs from evolution assays with commercial EOs yielded no relevant increases in the minimum inhibitory concentration (MIC) of E. coli and did not even modify MIC values in S. Typhimurium. Conversely, RVs of E. coli and S. Typhimurium isolated from evolution assays with antibiotics showed increased resistance. Genotypic analysis demonstrated that resistance to commercial EOs was associated with enhanced protection against oxidative stress and redirection of cell energy toward efflux activity, while resistance to antibiotics was primarily linked to modifications in the cell binding sites of antibiotics. These findings suggest that AEN and COLIFIT could serve as safe alternatives to antibiotics in combating the emergence and dissemination of antimicrobial resistance within the agrifood system.
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Affiliation(s)
- Natalia Merino
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
| | - Daniel Berdejo
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
| | - Elisa Pagán
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
| | | | | | - Eleonora Spinozzi
- Chemistry Interdiscplinary Project (ChIP), School of Pharmacy, University of Camerino, 62032 Camerino, Italy
| | - Rafael Pagán
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
| | - Diego García-Gonzalo
- Departamento de Producción Animal y Ciencia de los Alimentos, Facultad de Veterinaria, Instituto Agroalimentario de Aragón-IA2 (Universidad de Zaragoza-CITA), 50013 Zaragoza, Spain
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Coelho MG, da Silva AP, de Toledo AF, Cezar AM, Tomaluski CR, Barboza RDF, Júnior GFV, Manzano RP, Bittar CMM. Essential oil blend supplementation in the milk replacer of dairy calves: Performance and health. PLoS One 2023; 18:e0291038. [PMID: 37788273 PMCID: PMC10547158 DOI: 10.1371/journal.pone.0291038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 08/18/2023] [Indexed: 10/05/2023] Open
Abstract
Supplementation of dairy calves with essential oils in the liquid diet can reduce the incidence and severity of infectious diseases and promote better performance. Our objective was to evaluate an essential oil blend containing peppermint, eucalyptus, and menthol crystals and its effect on performance and health during the pre and postweaning period of dairy calves. At birth, 40 dairy calves (34 males and 6 females) were blocked according to sex and birth weight, randomly assigned to one of two treatments-commercial milk replacer diluted at 14% (MR) and the same liquid diet plus essential oil blend (MREO) at a dose of 4 mL per calf per day, divided into two meals during the first 28 days of life. Calves were individually housed and fed 6 L/d of the liquid diet, divided into two meals, and received starter concentrate and water ad libitum. Weaning was gradually reduced by 1L per day at d 51 until complete weaning at 56 days. After weaning, calves were evaluated until 70 days of age, when the experimental period ended. Intake, fecal, and health scores were evaluated daily, weight and body measures were recorded weekly, and blood parameters were evaluated at weeks 1, 2, 3, 4, and 8. Calves fed MREO tended to have higher total dry matter intake during the preweaning period. Furthermore, MREO calves had lower health scores and fewer days with a health score ≥ 4 (suggestive of bronchopneumonia), tended to lower coughing days and fewer veterinary interventions preweaning, and tended to lower health scores postweaning. The supplementation with a blend of essential oils containing peppermint, eucalyptus, and menthol crystals can reduce respiratory problems. Further studies are needed to investigate the dose and the supplementation period.
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Affiliation(s)
- Marina G. Coelho
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Ana Paula da Silva
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Ariany F. de Toledo
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Amanda M. Cezar
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Cristiane R. Tomaluski
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Rayane D. F. Barboza
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Gercino F. Virginio Júnior
- Minas Gerais Agricultural Research Agency, Experimental Field of Montes Claros, Montes Claros, Minas Gerais, Brazil
| | | | - Carla M. M. Bittar
- Department of Animal Science, Luiz de Queiroz College of Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
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Xu Y, Zhang X, Li D, Qian K, Liu Y, Xu T, Dai L, Cheng J. The transcriptome sequencing analysis reveals immune mechanisms of soybean fermented powder on the loach ( Misgurnus anguillicaudatus) in response to Lipopolysaccharide (LPS) infection. Front Immunol 2023; 14:1247038. [PMID: 37662918 PMCID: PMC10471800 DOI: 10.3389/fimmu.2023.1247038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Accepted: 07/31/2023] [Indexed: 09/05/2023] Open
Abstract
The loach (Misgurnus anguillicaudatus), a small commercial fish that is widely cultivated for its high-quality protein, vitamins, minerals, and essential amino acid, is a member of the genus Misgurnus and the family Cyprinidae. In this study, we gave the LPS-injected loach fermented soybean meal and used transcriptome sequencing to investigate the impact of the fermented soybean powder on the loach's immune system. 3384 up-regulated genes and 12116 down-regulated genes were found among the 15500 differentially expressed genes, according to the results. The differentially expressed genes were shown to be involved in cellular processes, metabolic processes, cellular anatomical entities, and binding, according to the Go functional annotation. Meanwhile, the KEGG enrichment analysis indicated that the soybean fermented powder treated groups showed significant differences in DNA replication, Nucleotide excision repair, Fanconi anemia pathway, and Base excision repair pathways, suggesting that these pathways are closely related to the enhancement of the immune function of loach by soybean fermented powder. The particular conclusions not exclusively can provide a new conception for the rational utilization of soybean fermented powder but also can provide theoretical guidance for the subsequent healthy breeding of loach.
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Affiliation(s)
- Yayuan Xu
- Institute of Agro-Products Processing, Anhui Academy of Agricultural Sciences, Hefei, China
- Anhui Engineering Laboratory of Food Microbial Fermentation and Functional Application, Hefei, China
| | - Xinxin Zhang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Dongqi Li
- Institute of Agro-Products Processing, Anhui Academy of Agricultural Sciences, Hefei, China
- Anhui Engineering Laboratory of Food Microbial Fermentation and Functional Application, Hefei, China
| | - Kun Qian
- Institute of Agro-Products Processing, Anhui Academy of Agricultural Sciences, Hefei, China
- Anhui Engineering Laboratory of Food Microbial Fermentation and Functional Application, Hefei, China
| | - Yu Liu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Tingjuan Xu
- Gerontology Institute, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Lishang Dai
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, China
| | - Jianghua Cheng
- Institute of Agro-Products Processing, Anhui Academy of Agricultural Sciences, Hefei, China
- Anhui Engineering Laboratory of Food Microbial Fermentation and Functional Application, Hefei, China
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Abd-Rabou HS, Mansour HMM, Matloup OH, Sallam SMA, Elazab MA. Impact of mixing coriander oil with goat feed on the chemical, microbiological and sensory characterizations of bio rayeb milk. Sci Rep 2023; 13:11215. [PMID: 37433826 DOI: 10.1038/s41598-023-38047-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 07/01/2023] [Indexed: 07/13/2023] Open
Abstract
This research aimed to investigate the properties of bio rayeb milk that results from goats fed on feed supplemented with different concentrations of coriander oil. The study design included a control treatment (C) and two coriander oil concentrations, a low level of (0.95%) T1 and a high level of (1.9%) T2. A probiotic starter culture, Direct Vat Set (DVS) of lactobacillus delbrueckii ssp. bulgaricus and streptococcus salivarius ssp. thermophilus in the ratio (1:1) was used to prepare bio rayeb. All treatments were stored at 4 °C for 2 weeks and analyzed on day one and at the end of storage. Results showed that the coagulation time during bio rayeb manufacturing remained consistent at almost 6 h for all batches. However, using a high coriander oil level (1.90%) significantly decreased the apparent viscosity and the content of monounsaturated fatty acids. The DPPH inhibition and the content of monounsaturated fatty acids increased. The electrophoresis chromatogram exhibited a high degree of proteolysis in T2 compared to the control and T1. Microbiologically, yeast, molds, and coliforms were absent in all treatments. Feeding goats on provender supplemented with a low concentration of coriander oil may positively impact the resultant milk's technological and sensorial properties.
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Affiliation(s)
- Hagar S Abd-Rabou
- Department of Food Technology, Arid Lands Cultivation Research Institute, The City of Scientific Research and Technological Applications (SRTA-City), Alexandria, 21934, Egypt.
| | - Hanem M M Mansour
- Department of Food Technology, Arid Lands Cultivation Research Institute, The City of Scientific Research and Technological Applications (SRTA-City), Alexandria, 21934, Egypt
| | - O H Matloup
- Dairy Science Department, National Research Centre, 33 Bohouth St. Dokki, Giza, Egypt
| | - S M A Sallam
- Department of Animal Production, Faculty of Agriculture, Alexandria University, El-Shatby, Alexandria, Egypt
| | - M A Elazab
- Department of Livestock Research, Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Alexandria, 21934, Egypt
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11
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Hernandez-Patlan D, Tellez-Isaias G, Hernandez-Velasco X, Solis-Cruz B. Editorial: Technological strategies to improve animal health and production. Front Vet Sci 2023; 10:1206170. [PMID: 37292431 PMCID: PMC10244759 DOI: 10.3389/fvets.2023.1206170] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 05/02/2023] [Indexed: 06/10/2023] Open
Affiliation(s)
- Daniel Hernandez-Patlan
- Laboratorio 5: Laboratorio de Ensayos de Desarrollo Farmacéutico (LEDEFAR), Unidad de Investigacion Multidisciplinaria, Facultad de Estudios Superiores (FES) Cuautitlan, Universidad Nacional Autonoma de Mexico, Cuautitlán Izcalli, Mexico
- División de Ingeniería en Nanotecnología, Universidad Politécnica del Valle de México, Tultitlan, Mexico
| | | | - Xochitl Hernandez-Velasco
- Departamento de Medicina y Zootecnia de Aves, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, Ciudad de México, Mexico
| | - Bruno Solis-Cruz
- Laboratorio 5: Laboratorio de Ensayos de Desarrollo Farmacéutico (LEDEFAR), Unidad de Investigacion Multidisciplinaria, Facultad de Estudios Superiores (FES) Cuautitlan, Universidad Nacional Autonoma de Mexico, Cuautitlán Izcalli, Mexico
- División de Ingeniería en Nanotecnología, Universidad Politécnica del Valle de México, Tultitlan, Mexico
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12
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Uyanga VA, Ejeromedoghene O, Lambo MT, Alowakennu M, Alli YA, Ere-Richard AA, Min L, Zhao J, Wang X, Jiao H, Onagbesan OM, Lin H. Chitosan and chitosan‑based composites as beneficial compounds for animal health: Impact on gastrointestinal functions and biocarrier application. J Funct Foods 2023. [DOI: 10.1016/j.jff.2023.105520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023] Open
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13
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Duskaev G, Kurilkina M, Zavyalov O. Growth-stimulating and antioxidant effects of vanillic acid on healthy broiler chickens. Vet World 2023; 16:518-525. [PMID: 37041822 PMCID: PMC10082733 DOI: 10.14202/vetworld.2023.518-525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Accepted: 02/01/2023] [Indexed: 04/13/2023] Open
Abstract
Background and Aim Phytobiotics are a safe alternative to feed antibiotics in industrial poultry farming that increases productivity by stimulating various digestive enzymes to reduce the number of pathogenic microorganisms in the intestines and improve antioxidant status and immune response. This study aimed to evaluate the effect of vanillic acid in its pure form and in combination with gamma lactone on weight growth and the physiological parameters of broiler chickens. Materials and Methods The studies were performed on 120 Arbor Acres broiler chickens (7 days old) that were randomly divided into four groups with five replicates (cages) and six birds per replicate. The control group was fed the basal diet (BD) only. Group I was fed the BD + gamma lactone (average dose 0.07 mL/animal/day). Group II was fed the BD + vanillic acid (average dose 0.07 mL/animal/day). Group III was fed the BD + gamma lactone + vanillic acid in a 1:1 ratio (average dose 0.07 mL/body/day). Live weight of broiler chickens for all group was assessed at the end of each period (age of 7, 14, 21, 28, 35, 42 days). At the end of the experiment (on day 42), 10 broilers with an average live weight were selected for blood sampling from the axillary vein. Results The results showed a growth-promoting effect of vanillic acid when fed with a diet free of synthetic antioxidants. Groups I and II had increased live weights throughout the entire experiment and a significant increase at the end of the experiment (8.2%-8.5%; p ≤ 0.05) compared to the control group. Toxic effects were not found in the biochemical blood serum analyses of Groups II and III. The metabolic processes in the experimental groups were intensified, especially in the enzyme associated with amino acid metabolism (gamma-glutamyl transferase) in Groups I and III (p ≤ 0.05). Vanillic acid, whether fed alone or in combination with gamma lactone, exhibited high antioxidant activities, protected cells from oxidative damage by inducing total antioxidant, catalase, and superoxide dismutase activities (p ≤ 0.05), and reduced the level of malondialdehyde (p ≤ 0.05) measured. No significant changes in the morphological blood parameters were found. Conclusion The use of vanillic acid alone and in combination with gamma lactone increases the digestive enzyme activities in blood plasma, increases body weight, and has a positive effect on lipid metabolism and the antioxidant status of broiler chickens. These findings indicate the significant potential use of vanillic acid and gamma lactone in poultry due to their antioxidant properties.
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Affiliation(s)
- Galimzhan Duskaev
- Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia
| | - Marina Kurilkina
- Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia
- Corresponding author: Marina Kurilkina, e-mail: Co-authors: GD: , OZ:
| | - Oleg Zavyalov
- Federal Research Centre of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia
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Campolina JP, Coelho SG, Belli AL, Neves LFM, Machado FS, Pereira LGR, Tomich TR, Carvalho WA, Daibert RMP, Reis DRL, Costa SF, Voorsluys AL, Jacob DV, Campos MM. Potential benefits of a blend of essential oils on metabolism, digestibility, organ development and gene expression of dairy calves. Sci Rep 2023; 13:3378. [PMID: 36854876 PMCID: PMC9974966 DOI: 10.1038/s41598-023-30088-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 02/15/2023] [Indexed: 03/02/2023] Open
Abstract
The objective of this study was to evaluate blood cells and metabolites, insulin-like growth factor-1 (IGF-1), digestibility, internal organs weight and histology, gene expression, and spleen cell proliferation of pre-weaned bull calves supplemented with a blend of essential oils in milk replacer (MR). Sixteen newborn Holstein × Gyr crossbred dairy bull calves, with body weight at birth of 33.3 ± 3.7 kg, were housed in individual sand bedded pens, blocked by genetic composition, and randomly assigned to 1 of 2 treatments in a randomized complete block design: Control (CON, n = 8) and blend of essential oils supplementation (BEO, n = 8, 1 g/day/calf, Apex Calf, Adisseo, China). The commercial blend was composed by plant extracts derived from anise, cinnamon, garlic, rosemary, and thyme. Animals were fed 5 L of MR/day reconstituted at 15% (dry matter basis), divided into two equal meals. Water and starter were provided ad libitum. ß-hydroxybutyrate, urea, and glucose were evaluated weekly, IGF-1 was evaluated biweekly, and total blood cell count was performed every four weeks until the end of the trial at eight weeks of age. Feed samples were collected three times a week and polled for weekly analysis. Apparent total nutrient digestibility was determined from d 56 to 60 of age. On d 60 ± 1, animals were euthanized for organ weight, histology, spleen cell proliferation, and intestinal gene expression analysis. Data were analyzed independently using linear mixed models using the REML method in the nlme package in R for continuous outcomes. A non-parametric test was used for ordered categorical outcomes using the Artools package in R. There were no differences between groups for blood evaluations, digestibility, gene expression, and a spleen cell proliferation assay. However, BEO calves presented a heavier pancreas, heavier intestines, bigger ileum villi, and higher cecum butyrate levels (P < 0.05), demonstrating that the EO supplementation helped intestinal development and symbiotic bacteria. It was also observed in CON animals' heavier respiratory tract and a higher eosinophil count (P < 0.05). Therefore, the organs where eosinophils are more active had a better response for BEO animals. No differences were found in the intestinal gene expression in the immune context. These results demonstrate that supplementing essential oils in MR could contribute to gut development and immune function. However, more research is needed to understand its impact on body development and define the best dosage and route of administration.
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Affiliation(s)
- Joana P. Campolina
- grid.8430.f0000 0001 2181 4888Departamento de Zootecnia, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 30161-970 Brazil
| | - Sandra Gesteira Coelho
- grid.8430.f0000 0001 2181 4888Departamento de Zootecnia, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 30161-970 Brazil
| | - Anna Luiza Belli
- grid.8430.f0000 0001 2181 4888Departamento de Zootecnia, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 30161-970 Brazil
| | - Luiz F. Martins Neves
- grid.8430.f0000 0001 2181 4888Departamento de Zootecnia, Escola de Veterinária, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 30161-970 Brazil
| | - Fernanda S. Machado
- grid.460200.00000 0004 0541 873XEmbrapa Gado de Leite, Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), Juiz de Fora, MG 36038-330 Brazil
| | - Luiz G. R. Pereira
- grid.460200.00000 0004 0541 873XEmbrapa Gado de Leite, Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), Juiz de Fora, MG 36038-330 Brazil
| | - Thierry R. Tomich
- grid.460200.00000 0004 0541 873XEmbrapa Gado de Leite, Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), Juiz de Fora, MG 36038-330 Brazil
| | - Wanessa A. Carvalho
- grid.460200.00000 0004 0541 873XEmbrapa Gado de Leite, Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), Juiz de Fora, MG 36038-330 Brazil
| | - Raquel M. P. Daibert
- grid.460200.00000 0004 0541 873XEmbrapa Gado de Leite, Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), Juiz de Fora, MG 36038-330 Brazil
| | - Daniele R. L. Reis
- grid.460200.00000 0004 0541 873XEmbrapa Gado de Leite, Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), Juiz de Fora, MG 36038-330 Brazil
| | - Suely F. Costa
- grid.411269.90000 0000 8816 9513Departmento de Medicina Veterinária, Universidade Federal de Lavras, Lavras, Minas Gerais Brazil
| | | | | | - Mariana M. Campos
- grid.460200.00000 0004 0541 873XEmbrapa Gado de Leite, Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA), Juiz de Fora, MG 36038-330 Brazil
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15
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Wendner D, Schott T, Mayer E, Teichmann K. Beneficial Effects of Phytogenic Feed Additives on Epithelial Barrier Integrity in an In Vitro Co-Culture Model of the Piglet Gut. Molecules 2023; 28:molecules28031026. [PMID: 36770693 PMCID: PMC9920886 DOI: 10.3390/molecules28031026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 01/17/2023] [Accepted: 01/17/2023] [Indexed: 01/20/2023] Open
Abstract
Industrial farming of livestock is increasingly focused on high productivity and performance. As a result, concerns are growing regarding the safety of food and feed, and the sustainability involved in their production. Therefore, research in areas such as animal health, welfare, and the effects of feed additives on animals is of significant importance. In this study, an in vitro co-culture model of the piglet gut was used to investigate the effects of two phytogenic feed additives (PFA) with similar compositions. Intestinal porcine epithelial cells (IPEC-J2) were co-cultivated with peripheral blood mononuclear cells (PBMC) to model the complex porcine gut environment in vitro. The effects of treatments on epithelial barrier integrity were assessed by means of transepithelial electrical resistance (TEER) in the presence of an inflammatory challenge. Protective effects of PFA administration were observed, depending on treatment duration and the model compartment. After 48 h, TEER values were significantly increased by 12-13% when extracts of the PFA were applied to the basolateral compartment (p < 0.05; n = 4), while no significant effects on cell viability were observed. No significant differences in the activity of a PFA based mainly on pure chemical compounds versus a PFA based mainly on complex, natural essential oils, and extracts were found. Overall, the co-culture model was used successfully to investigate and demonstrate beneficial effects of PFAs on intestinal epithelial barrier function during an inflammatory challenge in vitro. In addition, it demonstrates that the two PFAs are equivalent in effect. This study provides useful insights for further research on porcine gut health status even without invasive in vivo trials.
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16
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Matera R, Lucchi E, Valgimigli L. Plant Essential Oils as Healthy Functional Ingredients of Nutraceuticals and Diet Supplements: A Review. Molecules 2023; 28:molecules28020901. [PMID: 36677959 PMCID: PMC9862182 DOI: 10.3390/molecules28020901] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 01/09/2023] [Accepted: 01/12/2023] [Indexed: 01/18/2023] Open
Abstract
Essential oils (EOs) are mixtures of volatile molecules endowed with health-promoting biological activities that go beyond their role as aromas and natural preservatives and can be exploited to develop functional foods and diet supplements. Their composition is briefly addressed along with regulatory aspects. The potential health benefit of human diet supplementation with EOs is outlined through a review of the recent literature on available clinical trials and preclinical research concerning EOs activity towards: (1) irritable bowel syndrome; (2) inflammatory bowel disease; (3) regulation of microbiota; (4) gastroprotection; (5) hepatoprotection; (6) protection of the urinary tract and diuresis; (7) management of metabolic disorders including hyperglycemia and hyperlipidemia; (8) anti-inflammatory and pain control; (9) immunomodulation and protection from influenza; and (10) neuroprotection and modulation of mood and cognitive performance. The emerging potential in such activities of selected EOs is given focus, particularly green and black cumin, bergamot, orange, myrtle, peppermint, sage, eucalyptus, lavender, thyme, lemon balm, ginger, and garlic.
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Affiliation(s)
- Riccardo Matera
- BeC s.r.l., Research & Development, Via C. Monteverdi 49, 47122 Forlì, Italy
| | - Elena Lucchi
- BeC s.r.l., Research & Development, Via C. Monteverdi 49, 47122 Forlì, Italy
| | - Luca Valgimigli
- Department of Chemistry “Ciamician”, University of Bologna, Via S. Giacomo 11, 40126 Bologna, Italy
- Correspondence: ; Tel.: +30-051-2095683
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17
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Anti-Inflammatory and Antioxidative Phytogenic Substances against Secret Killers in Poultry: Current Status and Prospects. Vet Sci 2023; 10:vetsci10010055. [PMID: 36669057 PMCID: PMC9866488 DOI: 10.3390/vetsci10010055] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 11/19/2022] [Accepted: 01/04/2023] [Indexed: 01/17/2023] Open
Abstract
Chronic stress is recognized as a secret killer in poultry. It is associated with systemic inflammation due to cytokine release, dysbiosis, and the so-called leaky gut syndrome, which mainly results from oxidative stress reactions that damage the barrier function of the cells lining the gut wall. Poultry, especially the genetically selected broiler breeds, frequently suffer from these chronic stress symptoms when exposed to multiple stressors in their growing environments. Since oxidative stress reactions and inflammatory damages are multi-stage and long-term processes, overshooting immune reactions and their down-stream effects also negatively affect the animal's microbiota, and finally impair its performance and commercial value. Means to counteract oxidative stress in poultry and other animals are, therefore, highly welcome. Many phytogenic substances, including flavonoids and phenolic compounds, are known to exert anti-inflammatory and antioxidant effects. In this review, firstly, the main stressors in poultry, such as heat stress, mycotoxins, dysbiosis and diets that contain oxidized lipids that trigger oxidative stress and inflammation, are discussed, along with the key transcription factors involved in the related signal transduction pathways. Secondly, the most promising phytogenic substances and their current applications to ameliorate oxidative stress and inflammation in poultry are highlighted.
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18
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Effects of Various Feed Additives on Finishing Pig Growth Performance and Carcass Characteristics: A Review. Animals (Basel) 2023; 13:ani13020200. [PMID: 36670740 PMCID: PMC9854424 DOI: 10.3390/ani13020200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/24/2022] [Accepted: 12/31/2022] [Indexed: 01/07/2023] Open
Abstract
Feed additives have shown benefits throughout the literature in improving grow−finish pigs’ growth performance and carcass characteristics. However, the results have not been well summarized. Therefore, this review summarizes the available research (402 articles) on 14 feed additive categories fed to grow−finish pigs. The categories were acidifiers, betaine, Cr, conjugated linoleic acids, Cu, direct-fed microbials, carbohydrases, proteases, phytases, multi-enzymes, essential oils, L-carnitine, yeasts, and Zn. Qualified articles were collected and selected based on inclusion and exclusion criteria from online databases. The percentage difference for each response variable between the treatment and control group was calculated and summarized. Most results were positive for each feed additive; however, the magnitude of improvement varied, and most were not statistically significant. For ADG, DFM, Cu, L-carnitine, and multi-enzymes showed relatively large positive effects (>2.1% improvement) across a reasonable number of articles. Acidifiers, betaine, CLA, multi-enzymes, DFM, L-carnitine, and yeasts showed relatively large positive effects (>2.5% improvement) on improving G:F. Moreover, except for betaine, Cr, CLA, and L-carnitine, most feed additives showed little and non-significant effects on BF thickness (<1.7% improvement). This review provides a descriptive analysis for commonly used feed additives in the hope of better understanding feed additives’ effects on grow−finish pigs.
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19
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Effects of different levels of dietary chlorogenic acid supplementation on growth performance, intestinal integrity, and antioxidant status of broiler chickens at an early age. Anim Feed Sci Technol 2023. [DOI: 10.1016/j.anifeedsci.2023.115570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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20
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P R A, P S H, S AK, S P, Prakash G, Savanth V V, M P, Chopra H, Emran TB, Dey A, Dhama K, Chandran D. Essential oils as valuable feed additive: A narrative review of the state of knowledge about their beneficial health applications and enhancement of production performances in poultry. JOURNAL OF EXPERIMENTAL BIOLOGY AND AGRICULTURAL SCIENCES 2022; 10:1290-1317. [DOI: 10.18006/2022.10(6).1290.1317] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
New research has begun to develop safe and effective alternatives to feed-antibiotics as growth enhancers in response to mounting pressure on the poultry sector to do so. There is a significant demand for poultry products all across the world right now. To achieve this goal, key performance indicators are optimized, such as the rate of chicken growth, the amount of feed used, and the health of the flock as a whole. As a result of this growing need, various alternatives to antibiotics have entered the market. New approaches are desperately needed to keep poultry productivity and efficiency at a high level in the face of mounting pressure to limit the use of antibiotics. Recent years have seen an uptick in interest in the potential of aromatic plant extracts as growth and health boosters in poultry. The great majority of plants' positive effects are accounted for by essential oils (EOs) and other secondary metabolites. EOs have been proven to promote digestive secretion production, improve blood circulation, exert antioxidant qualities, reduce levels of dangerous microbes, and maybe improve the immune status of poultry. EOs are often believed to be safe, non-toxic alternatives because they are all-natural, chemical-free, and devoid of potentially harmful deposits. EOs are extracted from plants, and while there are thousands of them, only approximately 300 have been deemed to have significant commercial value. Many different types of bacteria, viruses, fungi, and parasites are negatively affected by EOs in multiple studies conducted both in vitro and in vivo. The review covers the fundamentals of EOs, their anti-oxidant and immunomodulatory capabilities, their growth-promoting benefits, and their effectiveness against numerous diseases in poultry.
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Alkhulaifi MM, Alqhtani AH, Alharthi AS, Al Sulaiman AR, Abudabos AM. Influence of prebiotic yeast cell wall extracts on growth performance, carcase attributes, biochemical metabolites, and intestinal morphology and bacteriology of broiler chickens challenged with Salmonella typhimurium and Clostridium perfringens. ITALIAN JOURNAL OF ANIMAL SCIENCE 2022. [DOI: 10.1080/1828051x.2022.2103463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Manal M. Alkhulaifi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Abdulmohsen H. Alqhtani
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Abdulrahman S. Alharthi
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Ali R. Al Sulaiman
- National Center for Environmental Technology, Life Science and Environment Research Institute, King Abdulaziz City for Science and Technology, Riyadh, Saudi Arabia
| | - Alaeldein M. Abudabos
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, Riyadh, Saudi Arabia
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22
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Mycotoxins and Essential Oils-From a Meat Industry Hazard to a Possible Solution: A Brief Review. Foods 2022; 11:foods11223666. [PMID: 36429263 PMCID: PMC9688991 DOI: 10.3390/foods11223666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/11/2022] [Accepted: 11/13/2022] [Indexed: 11/18/2022] Open
Abstract
The preservation of food supplies has been humankind's priority since ancient times, and it is arguably more relevant today than ever before. Food sustainability and safety have been heavily prioritized by consumers, producers, and government entities alike. In this regard, filamentous fungi have always been a health hazard due to their contamination of the food substrate with mycotoxins. Additionally, mycotoxins are proven resilient to technological processing. This study aims to identify the main mycotoxins that may occur in the meat and meat products "Farm to Fork" chain, along with their effect on the consumers' health, and also to identify effective methods of prevention through the use of essential oils (EO). At the same time, the antifungal and antimycotoxigenic potential of essential oils was considered in order to provide an overview of the subject. Targeting the main ways of meat products' contamination, the use of essential oils with proven in vitro or in situ efficacy against certain fungal species can be an effective alternative if all the associated challenges are addressed (e.g., application methods, suitability for certain products, toxicity).
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23
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dos Santos de Souza RBM, Soares NMM, Bastos TS, Kaelle GCB, de Oliveira SG, Félix FAP. Effects of dietary supplementation with a blend of functional oils to fecal microbiota, and inflammatory and oxidative responses, of dogs submitted to a periodontal surgical challenge. Anim Feed Sci Technol 2022. [DOI: 10.1016/j.anifeedsci.2022.115527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Wang Y, Wang Y, Su C, Wang L, Lv X, Cui G, Ji L, Huang Y, Zhang H, Chen W. Dietary cinnamaldehyde with carvacrol or thymol improves the egg quality and intestinal health independent of gut microbiota in post-peak laying hens. Front Vet Sci 2022; 9:994089. [PMID: 36337188 PMCID: PMC9634219 DOI: 10.3389/fvets.2022.994089] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 09/05/2022] [Indexed: 11/23/2022] Open
Abstract
Essential oils have been proven to exert multiple effects on growth performance, production quality, and health status in poultry nutrition, which is dependent on the component and/or dose of essential oils. Diets with the optimal combination of essential oils might be able to improve the performance traits and welfare of laying hens. Therefore, this study was conducted to evaluate the effects of dietary essential oils, which are composed of cinnamaldehyde with carvacrol or thymol, on performance, egg quality, and intestinal health in post-peak laying hens. A total of 384, 50-week-old Hy-line brown laying hens were randomly divided into three groups with 8 replicates of 16 birds each: (1) a basal diet (Ctrl), (2) a basal diet with 100 mg/kg of essential oils consisting of 4.5% cinnamaldehyde with 13.5% carvacrol (CAR+CIN), and (3) a basal diet containing 100 mg/kg of essential oils composed of 4.5% cinnamaldehyde with 13.5% thymol (THY+CIN). The CAR+CIN diet increased the feed consumption from 52 to 55 weeks more than the Ctrl and the THY+CIN diet. Compared with the Ctrl group, the addition of essential oils decreased the dirty egg rate (P = 0.07) in the whole trial period. Regarding egg quality, the birds that received the CAR+CIN and THY+CIN diets increased the eggshell strength (P = 0.099) or Haugh unit (HU, p = 0.03) at 54 weeks, respectively. Supplementation of both CAR+CIN and THY+CIN diets significantly increased the ratio of villus height to crypt depth in the duodenum through increasing villus height and decreasing crypt depth as well as upregulated the mRNA abundances of duodenal occluding and cadherin (P < 0.05). However, the treatment with dietary essential oils did not notably change the proportion of cecal microbiota and bacterial diversity. This study suggested that dietary supplementation of cinnamaldehyde with carvacrol or thymol, the active components of essential oils, could promote egg quality in post-peak laying hens, which might be associated with improved intestinal development and barrier.
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Affiliation(s)
- Yongshuai Wang
- Key Laboratory of Animal Biochemistry and Nutrition, College of Animal Science and Technology, Ministry of Agriculture, Henan Agricultural University, Zhengzhou, China
| | - Yilu Wang
- Key Laboratory of Animal Biochemistry and Nutrition, College of Animal Science and Technology, Ministry of Agriculture, Henan Agricultural University, Zhengzhou, China
| | - Chuanchen Su
- Key Laboratory of Animal Biochemistry and Nutrition, College of Animal Science and Technology, Ministry of Agriculture, Henan Agricultural University, Zhengzhou, China
| | - Leilei Wang
- Key Laboratory of Animal Biochemistry and Nutrition, College of Animal Science and Technology, Ministry of Agriculture, Henan Agricultural University, Zhengzhou, China
| | - Xiangyun Lv
- Charoen Pokphand Group Co., Ltd., Zhumadian, China
| | - Guangya Cui
- Charoen Pokphand Group Co., Ltd., Zhumadian, China
| | - Longxiang Ji
- Charoen Pokphand Group Co., Ltd., Zhumadian, China
| | - Yanqun Huang
- Key Laboratory of Animal Biochemistry and Nutrition, College of Animal Science and Technology, Ministry of Agriculture, Henan Agricultural University, Zhengzhou, China
| | - Huaiyong Zhang
- Key Laboratory of Animal Biochemistry and Nutrition, College of Animal Science and Technology, Ministry of Agriculture, Henan Agricultural University, Zhengzhou, China
- Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Sciences and Aquatic Ecology, Ghent University, Ghent, Belgium
- Huaiyong Zhang
| | - Wen Chen
- Key Laboratory of Animal Biochemistry and Nutrition, College of Animal Science and Technology, Ministry of Agriculture, Henan Agricultural University, Zhengzhou, China
- *Correspondence: Wen Chen
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Beyond natural aromas: The bioactive and technological potential of monoterpenes. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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López-Díaz AS, Méndez-Lagunas LL. Mucilage-Based Films for Food Applications. FOOD REVIEWS INTERNATIONAL 2022. [DOI: 10.1080/87559129.2022.2123501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- A. S. López-Díaz
- Instituto Politécnico Nacional, CIIDIR-Oaxaca, Santa Cruz Xoxocotlán, Oaxaca, México
| | - L. L. Méndez-Lagunas
- Instituto Politécnico Nacional, CIIDIR-Oaxaca, Santa Cruz Xoxocotlán, Oaxaca, México
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Bunse M, Daniels R, Gründemann C, Heilmann J, Kammerer DR, Keusgen M, Lindequist U, Melzig MF, Morlock GE, Schulz H, Schweiggert R, Simon M, Stintzing FC, Wink M. Essential Oils as Multicomponent Mixtures and Their Potential for Human Health and Well-Being. Front Pharmacol 2022; 13:956541. [PMID: 36091825 PMCID: PMC9449585 DOI: 10.3389/fphar.2022.956541] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 06/20/2022] [Indexed: 12/14/2022] Open
Abstract
Essential oils (EOs) and their individual volatile organic constituents have been an inherent part of our civilization for thousands of years. They are widely used as fragrances in perfumes and cosmetics and contribute to a healthy diet, but also act as active ingredients of pharmaceutical products. Their antibacterial, antiviral, and anti-inflammatory properties have qualified EOs early on for both, the causal and symptomatic therapy of a number of diseases, but also for prevention. Obtained from natural, mostly plant materials, EOs constitute a typical example of a multicomponent mixture (more than one constituent substances, MOCS) with up to several hundreds of individual compounds, which in a sophisticated composition make up the property of a particular complete EO. The integrative use of EOs as MOCS will play a major role in human and veterinary medicine now and in the future and is already widely used in some cases, e.g., in aromatherapy for the treatment of psychosomatic complaints, for inhalation in the treatment of respiratory diseases, or topically administered to manage adverse skin diseases. The diversity of molecules with different functionalities exhibits a broad range of multiple physical and chemical properties, which are the base of their multi-target activity as opposed to single isolated compounds. Whether and how such a broad-spectrum effect is reflected in natural mixtures and which kind of pharmacological potential they provide will be considered in the context of ONE Health in more detail in this review.
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Affiliation(s)
- Marek Bunse
- Department of Analytical Development and Research, WALA Heilmittel GmbH, Bad Boll, Germany
| | - Rolf Daniels
- Department of Pharmaceutical Technology, University of Tübingen, Tübingen, Germany
| | - Carsten Gründemann
- Translational Complementary Medicine, Department of Pharmaceutical Sciences, University of Basel, Basel, Switzerland
| | - Jörg Heilmann
- Department of Pharmaceutical Biology, University of Regensburg, Regensburg, Germany
| | - Dietmar R. Kammerer
- Department of Analytical Development and Research, WALA Heilmittel GmbH, Bad Boll, Germany
| | - Michael Keusgen
- Institute of Pharmaceutical Chemistry, Philipps-Universität Marburg, Marburg, Germany
| | - Ulrike Lindequist
- Institute of Pharmacy, Ernst-Moritz-Arndt-University Greifswald, Greifswald, Germany
| | | | - Gertrud E. Morlock
- Institute of Nutritional Science, Chair of Food Science and TransMIT Center for Effect-Directed Analysis, Justus Liebig University Giessen, Giessen, Germany
| | - Hartwig Schulz
- Consulting & Project Management for Medicinal & Aromatic Plants, Stahnsdorf, Germany
| | - Ralf Schweiggert
- Institute of Beverage Research, Chair of Analysis and Technology of Plant-Based Foods, Geisenheim University, Geisenheim, Germany
| | - Meinhard Simon
- Institute for Chemistry and Biology of the Marine Environment, University of Oldenburg, Oldenburg, Germany
| | - Florian C. Stintzing
- Department of Analytical Development and Research, WALA Heilmittel GmbH, Bad Boll, Germany
| | - Michael Wink
- Institute of Pharmacy and Molecular Biotechnology, Heidelberg University, Heidelberg, Germany
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Scholz Berça A, Prates Romanzini E, da Silva Cardoso A, Eduardo Ferreira L, Pastori D’Aurea A, Bertelli Fernandes L, Andrade Reis R. Advances in Pasture Management and Animal Nutrition to Optimize Beef Cattle Production in Grazing Systems. Vet Med Sci 2022. [DOI: 10.5772/intechopen.99687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
The increasing demand of meat requires the adoption of sustainable intensification livestock systems, applying nutritional strategies to reduce any negative contribution from beef cattle to global warming and, at the same time, to increase animal performance and productive efficiency. The pasture management practices and feed supplementation, mainly using non-edible feed with less costs, could minimize environmental and social impacts, resulting in higher productivity with less inputs utilization. Tropical grass submitted to grazing management according to plant height present high soluble protein and low levels of indigestible neutral detergent fiber contents. Energy or rumen undegradable protein supplementation, associated to alternative additives to antibiotics effects, such as probiotics, tannin, essential oils and saponin, can help to fully exploit the animal genetic potential and nutrient utilization efficiency, which decreases greenhouse gases emissions and improves animal performance. Hence, more information about these tools can make the livestock systems in tropical pasture more efficient and eco-friendlier.
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Riaz S, Hussain I, Ibrahim M, Ishtiaq M, Ali Q, Muazzam Ali M, Sajid Hamid Akash M. Extraction and Optimization of Active Metabolites From Cluster Bean: An In Vitro Biological and Phytochemical Investigation. Dose Response 2022; 20:15593258221098992. [PMID: 35558873 PMCID: PMC9087274 DOI: 10.1177/15593258221098992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The current study aimed to explore active metabolites of locally recognized and
high yielding cultivar cluster bean (BR-99) with a wide range of adaptability
having antioxidant, antidiabetic, antimicrobial, and cytotoxic potential. Six
solvents were used (crude methanol, n-hexane, chloroform, ethyl acetate,
butanol, and aqueous) with escalating polarity for colorimetric determination of
antioxidants such as total phenolic contents (TPC), total flavonoid contents
(TFC), and free radical scavenging activity (FRSA) by DPPH (2,
2-diphenyl-1-picrylhydrazyl) assay. Moreover, an antidiabetic and anticancer
study was conducted by α-amylase inhibition and MTT (3-(4,
5-dimethyl-2-thiazolyl)-2, 5-diphenyl-tetrazolium bromide) assay. Biological
investigations were carried out against the most commonly found infectious
microbial strains. The significant results (P ≤ .001) of each activity were seen
among six tested solvent extracts. The ethyl acetate and methanol extract have
more antioxidant potential with the highest TPC (16.38 ± .13 mg GAE/g) and TFC
(8.15 ± .24 mg CE/g), respectively. Similarly, methanol extract presented the
highest free radical scavenging activity (46.31 ± .91%), followed by ethyl
acetate, butanol, chloroform, aqueous, and n-hexane extract. However, the
maximum α-amylase inhibition (62.54 ± 1.47%) and anticancer activity against
human lung cancer cells were congregated (78.31 ± 1.46%) in butanol and
chloroform, respectively. A positive correlation was seen between TPC with TFC
(R2= .8356), FRSA
(R2= .8381), and anti-diabetic activity
(R2= .8082), which highlights the phenolic
contents as strong anti-oxidant agents especially flavonoids. Each extract of
cluster bean (BR-99) showed significant antimicrobial activities for all tested
bacterial strains except B. cereus and E.
coli. The profound results of maximum antibacterial activity were
witnessed by chloroform extract while ethyl acetate extracts showed great
antifungal potential against all tested fungal strains. The HPLC quantitative
analysis results of cluster bean (BR-99) revealed the presence of active
phytochemicals such as gallic acid, HB acid, vanillic acid, kaempferol, sinapic
acid, ferulic acid, salicylic acid, coumarins, quercetin, rutin, p-coumaric
acid, and catechin, and the variation in both phytochemical and biological
spectrums envisioned the cluster bean (BR-99) used in future as a cheap, safer,
and potent source of bioactive drugs.
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Affiliation(s)
- Saima Riaz
- Department of Botany, Government College University, Pakistan
| | - Iqbal Hussain
- Department of Botany, Government College University, Pakistan
| | - Muhammad Ibrahim
- Department of Applied Chemistry, Government College University, Pakistan
| | - Muhmmad Ishtiaq
- Department of Botany, Mirpur University of Science & Technology (MUST), Pakistan
| | - Qasim Ali
- Department of Botany, Government College University, Pakistan
| | - Muhammad Muazzam Ali
- International School of Medicine Eastern Medical Campus, International University of Kyrgyzstan, Kyrgyzstan
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Peng F, Yi J, Xiao J, Chen J, Zhang H, He X, Song Z. Protective effect and possible mechanism of arctiin on broilers challenged by Salmonella pullorum. J Anim Sci 2022; 100:skac126. [PMID: 35417554 PMCID: PMC9115908 DOI: 10.1093/jas/skac126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/12/2022] [Indexed: 11/12/2022] Open
Abstract
This study was aimed to investigate the effects of dietary arctiin (ARC) supplementation (100, 200, and 400 mg/kg) on the growth performance and immune response of broilers after a Salmonella pullorum (S. pullorum) challenge, and we conducted in vitro antibacterial test to explore the bacteriostatic mechanism of ARC. The in vivo trial was randomly assigned to six groups: noninfected control (NC) group and positive control (PC) group received a basal diet; TET group, received a basal diet supplemented with 100 mg/kg chlortetracycline; ARC100, ARC200, and ARC400 groups received a basal diet containing 100, 200, and 400 mg/kg ARC, respectively. From days 14 to 16, all birds (except the NC group) were infected with 1 mL (1 × 108 CFU per mL) fresh S. pullorum culture by oral gavage per day. In vivo results showed that dietary supplementation of 200 mg/kg ARC significantly increased average daily gain (P < 0.05) and decreased feed-to-gain ratio of broilers vs. the PC group during days 15 to 28 after being challenged with S. pullorum (P < 0.05). The jejunal crypt depth (CD) was decreased by supplementing 100 or 200 mg/kg ARC in diets compared with PC birds at day 19 (P < 0.05). The jejunal villi height (VH) was increased by supplementing 100, 200, or 400 mg/kg ARC in diets compared with PC birds at day 28 (P < 0.05). Besides, dietary supplementation of 200 mg/kg ARC increased the jejunal VH to CD ratio than the PC group both at days 19 and 28 (P < 0.05). Notably, the broilers had lower serum lipopolysaccharide and diamine oxidase levels in the ARC100 and ARC200 groups at day 28 than those in the PC group (P < 0.05). Furthermore, in comparison to PC birds, the birds in ARC groups (100, 200, and 400 mg/kg) had higher serum contents of IgM and IL-10, and the birds in the ARC200 group had higher serum contents of IgA at day 19 (P < 0.05). At day 28, the birds in ARC groups (100, 200, and 400 mg/kg) had lower serum contents of IL-8, and the birds in the ARC200 group had lower serum contents of IFN-γ compared with PC birds (P < 0.05). The in vitro experiment showed that ARC significantly inhibited the biofilm formation and adhesion of S. pullorum (P < 0.05). Metabonomics analysis revealed that ARC can restrain the formation of the biofilm by affecting a variety of metabolic pathways of S. pullorum. Therefore, dietary supplementation of 200 mg/kg ARC might be a potential way to substitute antibiotics to control S. pullorum infection in broilers.
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Affiliation(s)
- Fang Peng
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, Hunan, China
- Hunan Engineering Research Center of Poultry Production Safety, Changsha 410128, Hunan, China
- Ministry of Education Engineering Research Center of Feed Safety and Efficient Use, Changsha 410128, Hunan, China
| | - Jinhui Yi
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, Hunan, China
- Hunan Engineering Research Center of Poultry Production Safety, Changsha 410128, Hunan, China
- Ministry of Education Engineering Research Center of Feed Safety and Efficient Use, Changsha 410128, Hunan, China
| | - Jian Xiao
- Hunan Xiang Jia Husbandry Limited by Share Ltd, Changde 41500, Hunan, China
| | - Junlie Chen
- Hunan Xiang Jia Husbandry Limited by Share Ltd, Changde 41500, Hunan, China
| | - Haihan Zhang
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, Hunan, China
- Hunan Engineering Research Center of Poultry Production Safety, Changsha 410128, Hunan, China
- Ministry of Education Engineering Research Center of Feed Safety and Efficient Use, Changsha 410128, Hunan, China
| | - Xi He
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, Hunan, China
- Hunan Engineering Research Center of Poultry Production Safety, Changsha 410128, Hunan, China
- Ministry of Education Engineering Research Center of Feed Safety and Efficient Use, Changsha 410128, Hunan, China
| | - Zehe Song
- College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, Hunan, China
- Hunan Engineering Research Center of Poultry Production Safety, Changsha 410128, Hunan, China
- Ministry of Education Engineering Research Center of Feed Safety and Efficient Use, Changsha 410128, Hunan, China
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Effect of Bacillus species–fermented products and essential oils on growth performance, gut morphology, cecal short-chain fatty acid levels, and microbiota community in broilers. Poult Sci 2022; 101:101970. [PMID: 35760005 PMCID: PMC9241036 DOI: 10.1016/j.psj.2022.101970] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 05/05/2022] [Accepted: 05/13/2022] [Indexed: 12/02/2022] Open
Abstract
In this study, the effects of Bacillus species–fermented products (synbiotics [SYNs]) and essential oils (EOs) on the growth performance, gut morphology, cecal short-chain fatty acid (SCFA) levels, and microbiota of broilers were investigated. A total of 180 one-day-old unsexed broiler chicks (Ross 308) were randomly assigned to 5 dietary treatments as follows: basal diet (control group), basal diet plus enramycin (10 mg/kg; A group), basal diet plus SYNs (3 × 1011 CFU spore/kg of feed; SYN group), basal diet plus EOs (100 mg/kg; EO group), and basal diet plus SYNs and EOs (SYN + EO group), with 6 replicate cages per treatment group and 6 birds per cage. The SYN+EO treatment resulted in a higher (P = 0.003) average daily gain at 1 to 14 d of age than did the control and EO treatments. SYNs had a significant effect on the average daily gain at 1 to 14 d (P < 0.001) and 1 to 35 d (P = 0.045) of age. EOs had a significant effect on the villus height of the duodenum (P = 0.015) and jejunum (P = 0.027). Superoxide dismutase (SOD) and mucin 2 (MUC2) mRNA expression in the duodenum, jejunum, and ileum in the SYN + EO group was higher (P < 0.001) than that in any of the other groups. The SYN+EO treatment resulted in higher (P < 0.001) 2-methylbutyric acid and 3-methylbutyric acid levels in the cecal digesta of the broilers than did the control treatment. Cecal species evenness in the SYN + EO group was higher (P < 0.001) than that in the control group. The abundance of the phylum Firmicutes in the cecal digesta of the broilers was higher (P < 0.001) in the SYN+EO group than in the control group. SYNs had a significant effect (P < 0.001) on the abundance of the genus Lactobacillus in the cecal digesta of the broilers. The abundance of the genus Lactobacillus was positively associated with 2-methylbutyric acid and 3-methylbutyric acid levels. The 2-methylbutyric acid and 3-methylbutyric acid levels were positively correlated with the villus height of the duodenum and ileum. These results suggest that simultaneous supplementation with SYNs and EOs can increase the average daily gain, improve gut health–associated gene expression, increase SCFA levels, and modulate the gut microbiota composition of broilers.
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Huang X, Gao W, Yun X, Qing Z, Zeng J. Effect of Natural Antioxidants from Marigolds (Tagetes erecta L.) on the Oxidative Stability of Soybean Oil. Molecules 2022; 27:molecules27092865. [PMID: 35566214 PMCID: PMC9105600 DOI: 10.3390/molecules27092865] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 02/06/2023] Open
Abstract
In recent years, synthetic antioxidants that are widely used in foods have been shown to cause detrimental health effects, and there has been growing interest in antioxidants realised from natural plant extracts. In this study, we investigate the potential effects of natural antioxidant components extracted from the forage plant marigold on the oxidative stability of soybean oil. First, HPLC-Q-TOF-MS/MS was used with 1,1-diphenyl-2-picrylhydrazyl (DPPH) to screen and identify potential antioxidant components in marigold. Four main antioxidant components were identified, including quercetagetin-7-O-glucoside (1), quercetagetin (2), quercetin (3) and patuletin (4). Among them, quercetagetin (QG) exhibited the highest content and the strongest DPPH radical scavenging activity and effectively inhibited the production of oxidation products in soybean oil during accelerated oxidation, as indicated by reductions in the peroxide value (PV) and acid value (AV). Then, the fatty acids and volatile compounds of soybean oil were determined with gas chromatography–mass spectrometry (GC-MS) and headspace solid-phase microextraction–gas chromatography–mass spectrometry (HS-SPME-GC-MS). A total of 108 volatile components, including 16 alcohols, 23 aldehydes, 25 ketones, 4 acids, 15 esters, 18 hydrocarbons, and 7 other compounds, were identified. QG significantly reduced the content and number of aldehydes and ketones, whereas the formation of acids and hydrocarbons was completely prevented. In addition, the fatty acid analysis demonstrated that QG significantly inhibited oxidation of unsaturated fatty acids. Consequently, QG was identified as a potential, new natural antioxidant that is believed to be safe, effective and economical, and it may have potential for use in plant extracts feed additives.
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Affiliation(s)
- Xiuqiong Huang
- Hunan Key Laboratory of Traditional Chinese Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (X.H.); (X.Y.)
- College of Food and Chemical Engineering, Shaoyang University, Shaoyang 422000, China
- College of Horticulture, Hunan Agricultural University, Changsha 410128, China
| | - Wei Gao
- Chenguang Biotechnology Company Limited, Handan 056000, China;
| | - Xuan Yun
- Hunan Key Laboratory of Traditional Chinese Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (X.H.); (X.Y.)
| | - Zhixing Qing
- Hunan Key Laboratory of Traditional Chinese Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (X.H.); (X.Y.)
- Correspondence: (Z.Q.); (J.Z.); Tel.: +86-731-84686560 (Z.Q. & J.Z.)
| | - Jianguo Zeng
- Hunan Key Laboratory of Traditional Chinese Veterinary Medicine, Hunan Agricultural University, Changsha 410128, China; (X.H.); (X.Y.)
- Correspondence: (Z.Q.); (J.Z.); Tel.: +86-731-84686560 (Z.Q. & J.Z.)
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Microbiota and Transcriptomic Effects of an Essential Oil Blend and Its Delivery Route Compared to an Antibiotic Growth Promoter in Broiler Chickens. Microorganisms 2022; 10:microorganisms10050861. [PMID: 35630307 PMCID: PMC9147064 DOI: 10.3390/microorganisms10050861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 04/12/2022] [Accepted: 04/14/2022] [Indexed: 11/25/2022] Open
Abstract
This study evaluated the effect of the delivery of a commercial essential oil blend containing the phytonutrients star anise, cinnamon, rosemary, and thyme oil (via different routes) on broiler chickens’ ileal and ceca microbiota and liver transcriptome compared to an antibiotic growth promoter. Eggs were incubated and allocated into three groups: non-injected, in ovo saline, and in ovo essential oil. On day 18 of incubation, 0.2 mL of essential oil in saline (dilution ratio of 2:1) or saline alone was injected into the amnion. At hatch, chicks were assigned to post-hatch treatment combinations: (A) a negative control (corn-wheat-soybean diet), (B) in-feed antibiotics, (C) in-water essential oil (250 mL/1000 L of drinking water), (D) in ovo saline, (E) in ovo essential oil, and (F) in ovo essential oil plus in-water essential oil in eight replicate cages (six birds/cage) and raised for 28 days. On days 21 and 28, one and two birds per cage were slaughtered, respectively, to collect gut content and liver tissues for further analysis. Alpha and beta diversity differed significantly between ileal and ceca samples but not between treatment groups. In-feed antibiotic treatment significantly increased the proportion of specific bacteria in the family Lachnospiraceae while reducing the proportion of bacteria in the genus Christensenellaceae in the ceca, compared to other treatments. Sex-controlled differential expression of genes related to cell signaling and tight junctions were recorded. This study provides data that could guide the use of these feed additives and a foundation for further research.
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Effects of intramuscularly injected plant-derived antimicrobials in the mouse model. Sci Rep 2022; 12:5937. [PMID: 35396364 PMCID: PMC8993793 DOI: 10.1038/s41598-022-09705-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Accepted: 03/28/2022] [Indexed: 11/08/2022] Open
Abstract
With increasing antibiotic resistance, the use of plant derived antimicrobials (PDAs) has gained momentum. Here, we investigated the toxicity of trans-cinnamaldehyde, eugenol, and carvacrol after intramuscular injection in mice. Two doses of each PDA-300 and 500 mg/kg body weight-and vehicle controls were injected into the muscle of the right hind limb of CD-1 adult mice (n = 8/treatment). Ten physical/behavioral parameters were monitored hourly for 2 h and twice daily for 4 days post-injection together with postmortem examination of leg muscles and organs. Within the first 2 days of carvacrol treatment, one male died in each dose level and a third male receiving 500 mg/kg was removed from the study. No mortality was seen with any other treatment. Among all 81 parameters examined, significant higher relative liver weights (300 and 500 mg/kg eugenol groups; P < 0.05) and relative kidney weights (300 mg/kg carvacrol group; P < 0.001) were observed. Taken together, little to mild toxicity was seen for trans-cinnamaldehyde and eugenol, respectively, while carvacrol exerted more toxicity in males. This study lays the foundation for future extensive work with large sample size, varied treatment durations, and additional treatment levels.
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35
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García Beltrán JM, Esteban MÁ. Nature-identical compounds as feed additives in aquaculture. FISH & SHELLFISH IMMUNOLOGY 2022; 123:409-416. [PMID: 35331881 DOI: 10.1016/j.fsi.2022.03.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 03/11/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
Aquaculture sustainable development is necessary since it is categorized as the most important source of aquatic products for human consumption and it is expected to keep growing shortly. For this reason, the addition of natural immunostimulants to fish diet to improve fish health and to preserve the environment have great importance in aquaculture. In this sense, new biotechnological tools as nature-identical compounds are now being used as feed additives to strengthen and stimulate the fish immune system to prevent and/or control diseases due to their lesser cost and higher availability than plant compounds. This review aims to present the most recent studies in which nature-identical compounds have been used in the fish diet to establish their possible use in aquaculture. Nature-identical compounds can be considered a promising alternative to be added to fish diets to promote growth performance, manipulate the gut microbiota, and improve the immune and oxidative status of fish as wells as control bacterial infections in this important aquatic industry.
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Affiliation(s)
- José María García Beltrán
- Immunobiology for Aquaculture Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain
| | - María Ángeles Esteban
- Immunobiology for Aquaculture Group, Department of Cell Biology and Histology, Faculty of Biology, Campus Regional de Excelencia Internacional "Campus Mare Nostrum", University of Murcia, 30100, Murcia, Spain.
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Dieguez SN, Decundo JM, Martínez G, Amanto FA, Bianchi CP, Pérez Gaudio DS, Soraci AL. Effect of Dietary Oregano (Lippia origanoides) and Clover (Eugenia caryophillata) Essential Oils' Formulations on Intestinal Health and Performance of Pigs. PLANTA MEDICA 2022; 88:324-335. [PMID: 34918308 DOI: 10.1055/a-1698-8469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The incorporation of natural essential oils to the pigs' diet in intensive production systems is a potential tool to improve gut health and prevent infections without using antibiotics. Nevertheless, different products, even containing the same compounds, coming from the same botanical species, may exert dissimilar biological effects due differences in the technological processes by which they are produced and preserved. For this reason, suitability of a given product based on natural extracts, intended for swine production must be thoroughly evaluated. In the present study, we assessed the effects of three additives containing oregano (Lippia origanoides) essential oil, alone or in combination with clover (Eugenia caryophillata) essential oil, with or without being microencapsulated, on gastrointestinal health and on some performance parameters in a commercial pig production farm. Recently weaned piglets were randomly divided in four groups, and basal diet or essential oil-supplemented diet (OCE; MOCE; MOE) was randomly assigned to each of the groups from weaning to finishing. Blood samples were collected at pre-established days after weaning. Intestinal sampling took place at 42 and 72 days of age. Pigs consuming the supplemented diets showed higher intestinal metabolic activity during the post-weaning period, decreasing the impact of weaning stress on enterocytes' metabolism. Intestinal barrier function was not affected in pigs consuming microencapsulated products. All treated groups showed improved intestinal architecture, increased digestive enzymes activity and caecal VFA concentrations. The incorporation of the dietary essential oils products brought beneficial effects on gastrointestinal health that were reflected in improved performance parameters.
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Affiliation(s)
- Susana Nelly Dieguez
- Área Toxicología, Departamento de Fisiopatología, Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil, Argentina
- Facultad de Ciencias Veterinarias, Centro de Investigación Veterinaria de Tandil (CIVETAN), UNCPBA-CICPBA-CONICET, Tandil, Argentina
- Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CIC-PBA), Tandil, Argentina
| | - Julieta María Decundo
- Área Toxicología, Departamento de Fisiopatología, Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil, Argentina
- Facultad de Ciencias Veterinarias, Centro de Investigación Veterinaria de Tandil (CIVETAN), UNCPBA-CICPBA-CONICET, Tandil, Argentina
| | - Guadalupe Martínez
- Área Toxicología, Departamento de Fisiopatología, Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil, Argentina
- Facultad de Ciencias Veterinarias, Centro de Investigación Veterinaria de Tandil (CIVETAN), UNCPBA-CICPBA-CONICET, Tandil, Argentina
| | - Fabián Andrés Amanto
- Área Producción Porcina, Departamento de Producción Animal, Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil, Argentina
| | - Carolina Paula Bianchi
- Facultad de Ciencias Veterinarias, Centro de Investigación Veterinaria de Tandil (CIVETAN), UNCPBA-CICPBA-CONICET, Tandil, Argentina
- Área Endocrinología, Departamento de Fisiopatología, Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil, Argentina
| | - Denisa Soledad Pérez Gaudio
- Área Toxicología, Departamento de Fisiopatología, Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil, Argentina
- Facultad de Ciencias Veterinarias, Centro de Investigación Veterinaria de Tandil (CIVETAN), UNCPBA-CICPBA-CONICET, Tandil, Argentina
| | - Alejandro Luis Soraci
- Área Toxicología, Departamento de Fisiopatología, Facultad de Ciencias Veterinarias, Universidad Nacional del Centro de la Provincia de Buenos Aires, Tandil, Argentina
- Facultad de Ciencias Veterinarias, Centro de Investigación Veterinaria de Tandil (CIVETAN), UNCPBA-CICPBA-CONICET, Tandil, Argentina
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Effects of Oil Types and Fat Concentrations on Production Performance, Egg Quality, and Antioxidant Capacity of Laying Hens. Animals (Basel) 2022; 12:ani12030315. [PMID: 35158638 PMCID: PMC8833397 DOI: 10.3390/ani12030315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 01/25/2022] [Accepted: 01/26/2022] [Indexed: 11/24/2022] Open
Abstract
Simple Summary Oils and fats are relevant sources of energy and functional substances in the animal’s body, ensuring its normal growth and development of laying hens needs. Eggs are rich in proteins, amino acids, and fatty acids, and are considered as ‘the ideal nutrient reservoir for humans’. Adding different types and amounts of oils and fats to feed can affect the production performance and egg quality of laying hens. Therefore, it is particularly relevant to investigate the appropriate type and proportion of oils and fats to be used in egg farming. We studied the effects of different concentrations of soybean oil, lard and mixed oils on the production performance, egg quality, and antioxidant substances of laying hens. The results demonstrated that the type and quantities of oils and fats in the diets of laying hens had significant effects on the parameters studied. Thus, this experiment provides a reference for the selection of different types of oils and fats in the egg production process to improve the quality and economic benefits of eggs. Abstract In this study, soybean oil, lard and mixed oils were added to the feed in two concentrations (1.5% and 3% of each), resulting in six experimental groups. The control group was fed with a base diet without additions, and used to compare the effects of feeding on production performance and egg quality of laying hens. The results demonstrated that: (1) the 3% supplemented-oils or lard group showed a decrease in laying rate; (2) 1.5% and 3% added-lard significantly increased the total amount of unsaturated fatty acids in eggs, compared to the control group; (3) 1.5% and 3% soybean oil increased the content of mono/polyunsaturated fatty acids, cholesterol, phospholipids and choline in eggs; (4) glutathione peroxidase (GPx) and superoxide dismutase (SOD) contents were increased in all groups, being the most evident in the lard-treated group; (5) all experimental groups showed an increase in the content of essential and non-essential amino acids in albumen; (6) 3% oils, especially the mixed oils, damaged the structure of globules of cooked egg yolks. Therefore, the use of 1.5% soybean oil in the feed diet of Hyline brown hens resulted in the most adequate oil to ensure animal health and economic significant improvements in this experiment.
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Jojoba Seed Oil as Feed Additive for Sustainable Broiler Meat Production under Hot Climatic Conditions. Animals (Basel) 2022; 12:ani12030273. [PMID: 35158597 PMCID: PMC8833376 DOI: 10.3390/ani12030273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/10/2022] [Accepted: 01/12/2022] [Indexed: 11/17/2022] Open
Abstract
Simple Summary Sustainable poultry production has become essential to satisfy a growing global demand for high-quality meat protein. It is of the utmost importance to explore the merit of a new phytobiotic for the sustainable production of broiler chickens under tropical weather conditions. Thus, this study was conducted to evaluate supplementation of jojoba bioactive lipid compounds to broiler diets and its effects on growth performance and meat quality. The growth performance of broiler chickens fed with jojoba seed oil under tropical hot climatic conditions was linearly improved compared to the control group. Jojoba seed oil supplementation lowered abdominal fat and increased dressing percentage and meat quality compared to the control group. Abstract This study aimed to evaluate the impact of dietary addition of jojoba seed oil on productive performance, physicochemical attributes and carcass quality of broiler meat under tropical weather conditions. A total of 384 one-day-old Ross-308 were subdivided into four dietary treatments of jojoba seed oil: 0, 50, 100 and 150 mg/kg of control diet. Each treatment group included twelve replicates with eight birds each. The results showed that dietary supplementation of jojoba seed oil linearly increased (p < 0.01) feed intake, body weight gain and improved (p < 0.01) feed conversion ratio. Interestingly, diets supplemented with jojoba seed oil linearly (p < 0.05) improved the percentage of dressing and reduced abdominal fat percentage compared to the control group. Dietary supplementation of jojoba seed oil showed no effects (p ≥ 0.05) on the weight of internal organs, including liver, heart, gizzard, spleen and pancreas of broiler chickens. Increasing jojoba seed oil levels in the diet decreased (p < 0.001) percentages of cook and drip losses of breast and leg (drumstick and thigh) muscles of broilers. It was concluded that jojoba seed oil used as a feed additive up to 150 mg/kg improves growth performance and meat quality of broiler chickens in tropical weather conditions.
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Rakhmatullin SG, Kurilkina MY, Duskaev GK. Effect of the Eucalyptus viminalis leaf extract compound on the amino acid and fatty acid composition of broiler chicken meat. BIO WEB OF CONFERENCES 2022. [DOI: 10.1051/bioconf/20225101001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The article presents the results on evaluating the effect of the gamma-octalactone compound isolated from Eucalyptus viminalis leaf extract on the amino acid and fatty acid composition of protein and lipids of broiler chickens' muscle tissue. The object of the study was 7-day-old broiler chickens of the Arbor Acres cross. During the experiment, the control group poultry consumed the main diet (MD); the poultry of the experimental groups received the main diet plus gamma-octalactone at the following dose: group I – 0.05 ml/kg l.w./ day; II – 0.1 ml/kg l.w./ day; III – 0.2 ml/ kg l.w./day. It was found that the experimental compound's introduction into the diets significantly increases protein and fat content, as well as improves the balance of experimental groups' chicken meat for essential amino acids, as evidenced by a significant increase in the content of leucine and isoleucine - 2.27% (P≤0.01), valine - 0.8% (P≤0.05), phenylalanine 0.44 (P≤0.05) % in chickens of the experimental group III in relation to the control. With a relatively stable amount of saturated fatty acids in the experimental groups, compensation for insufficient synthesis of polyunsaturated fatty acids was observed by increased accumulation of monounsaturated fatty acids. However, despite the existing differences in the concentration of unsaturated fatty acids, no significant intergroup changes were observed.
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Gao Z, Zhang J, Li F, Zheng J, Xu G. Effect of Oils in Feed on the Production Performance and Egg Quality of Laying Hens. Animals (Basel) 2021; 11:3482. [PMID: 34944258 PMCID: PMC8698086 DOI: 10.3390/ani11123482] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/30/2021] [Accepted: 12/05/2021] [Indexed: 12/13/2022] Open
Abstract
With the development of a large-scale and intensive production industry, the number of laying hens in China is rapidly increasing. Oils, as an important source of essential fatty acids, can be added to the diet to effectively improve the production performance and absorption of other nutrients. The present review discusses the practical application of different types and qualities of oils in poultry diets and studies the critical effects of these oils on production performance, such as the egg weight, feed intake, feed conversion ratio (FCR), and various egg quality parameters, including the albumen height, Haugh units, yolk color, and saturated/unsaturated fatty acids. This article reviews the effects of different dietary oil sources on the production performance and egg quality of laying hens and their potential functional mechanisms and provides a reference for the selection of different sources of oils to include in the diet with the aim of improving egg production. This review thus provides a reference for the application of oils to the diets of laying hens. Future studies are needed to determine how poultry products can be produced with the appropriate proper oils in the diet and without negative effects on production performance and egg quality.
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Affiliation(s)
- Zhouyang Gao
- Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, National Engineering Laboratory for Animal Breeding, Department of Animal Genetics and Breeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Z.G.); (J.Z.)
| | - Junnan Zhang
- Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, National Engineering Laboratory for Animal Breeding, Department of Animal Genetics and Breeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Z.G.); (J.Z.)
| | - Fuwei Li
- Poultry Institute, Shandong Academy of Agricultural Sciences, Jinan 250100, China;
| | - Jiangxia Zheng
- Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, National Engineering Laboratory for Animal Breeding, Department of Animal Genetics and Breeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Z.G.); (J.Z.)
| | - Guiyun Xu
- Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, National Engineering Laboratory for Animal Breeding, Department of Animal Genetics and Breeding, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China; (Z.G.); (J.Z.)
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Phytogenic Feed Additives in Poultry: Achievements, Prospective and Challenges. Animals (Basel) 2021; 11:ani11123471. [PMID: 34944248 PMCID: PMC8698016 DOI: 10.3390/ani11123471] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 11/25/2021] [Accepted: 11/30/2021] [Indexed: 12/12/2022] Open
Abstract
Simple Summary Plant secondary metabolites and essential oils also known as phytogenics are biologically active compounds that have recently attracted increased interest as feed additives in poultry production, due to their ability to promote feed efficiency by enhancing the production of digestive secretions and nutrient absorption, reduce pathogenic load in the gut, exert antioxidant properties and decrease the microbial burden on the animal’s immune status. However, the mechanisms are far from being fully elucidated. Better understanding the interaction of phytogenics with gastrointestinal function and health as well as other feed ingredients/additives is crucial to design potentially cost-effective blends. Abstract Phytogenic feed additives have been largely tested in poultry production with the aim to identify their effects on the gastrointestinal function and health, and their implications on the birds’ systemic health and welfare, the production efficiency of flocks, food safety, and environmental impact. These feed additives originating from plants, and consisting of herbs, spices, fruit, and other plant parts, include many different bioactive ingredients. Reviewing published documents about the supplementation of phytogenic feed additives reveals contradictory results regarding their effectiveness in poultry production. This indicates that more effort is still needed to determine the appropriate inclusion levels and fully elucidate their mode of actions. In this frame, this review aimed to sum up the current trends in the use of phytogenic feed additives in poultry with a special focus on their interaction with gut ecosystem, gut function, in vivo oxidative status and immune system as well as other feed additives, especially organic acids.
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Santos JR, Pereira ML, Pereira TC, Silva HG, Santos OO, Carvalho GG, Almeida JR, Silva RP, Ribas KP. Supplementation with mesquite alkaloids extract in diets for lambs fed Bermuda grass improves growth performance. Small Rumin Res 2021. [DOI: 10.1016/j.smallrumres.2021.106560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Oladokun S, MacIsaac J, Rathgeber B, Adewole D. Essential Oil Delivery Route: Effect on Broiler Chicken's Growth Performance, Blood Biochemistry, Intestinal Morphology, Immune, and Antioxidant Status. Animals (Basel) 2021; 11:ani11123386. [PMID: 34944163 PMCID: PMC8697888 DOI: 10.3390/ani11123386] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 11/22/2021] [Accepted: 11/23/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Much research is devoted to the search for potent alternatives to antibiotic growth promoters in the poultry industry. It is hypothesized that the efficacy of potential alternatives could be influenced by their type and the delivery strategy utilized. Consequently, this study evaluated the efficacy of a commercial essential oil blend across different delivery routes as a potent alternative to in-feed antibiotics in broiler chickens using selected biochemical, immune, and performance parameters. The results provide evidence that the successive delivery of essential oils via in ovo and in-water routes in broiler chickens offers the potential to improve broiler chicken biochemical and antioxidant status. However, the in ovo delivery of essential oil at 0.2 mL dosage (saline + essential oil, dilution ratio—2:1) suffers the limitations of reduced hatchability. Abstract This study evaluated the effect of an essential oil blend and its delivery routes on broiler chicken growth performance, blood biochemistry, intestinal morphology, and immune and antioxidant status. Eggs were incubated and allotted to 3 groups: non-injected group, in ovo saline group, and in ovo essential oil group. On day 18 of incubation, essential oil in saline or saline alone was injected into the amnion. At hatch, chicks were assigned to post-hatch treatment combinations (1) in ovo essential oil + in-water essential oil (in ovo + in-water EO); (2) in ovo essential oil (in ovo EO); (3) in ovo saline; (4) in-water essential oil; (5) in-feed antibiotics (Bacitracin methylene disalicylate) and (6) a negative control (NC; corn-wheat-soybean diet) in 8 replicate cages (6 birds/cage) and raised for 28 day. The in ovo EO group reduced (p < 0.05) chick length and hatchability, all groups recorded no difference in growth performance at 0–28 day. The in ovo + in-water EO treatment reduced (p < 0.05) blood creatine kinase and aspartate aminotransferase levels whilst increasing (p < 0.05) total antioxidant capacity in birds. The in ovo + in-water delivery of EO might represent a potential antibiotic reduction strategy for the poultry industry but more research is needed to address the concern of reduced hatchability.
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Dose-response effects of the Savory (Satureja khuzistanica) essential oil and extract on rumen fermentation characteristics, microbial protein synthesis and methane production in vitro. ANNALS OF ANIMAL SCIENCE 2021. [DOI: 10.2478/aoas-2021-0084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
The objective of the present study was to investigate dose-response effects of the essential oil (EO) and dry extract (EX) of Satureja khuzistanica (SK) on in vitro gas production kinetics, rumen fermentation, ruminal methanogenesis and microbial protein synthesis. So, EO and EX were tested at 0 (as control); 150 (low dose); 300, 450 (intermediate doses) and 600 mg/L (high dose). The gas produced over 24 h of incubation (GP24) decreased linearly with both EO and EX dosages (P<0.01). In vitro methane production was reduced by both EO (14–69%, depending on the included dose) and EX (7–58%). Microbial protein (MP) as well as the efficiency of microbial protein synthesis (EMPS) were improved by EO (18.8–49.8% and 20.4–61.5% for MP and EMPS, respectively) and to a lesser extent by EX (8.3–25.7% and 4.6–24.2% for MP and EMPS, respectively). Ammonia concentration was dropped in linear and quadratic manners with EO (P<0.05), and linearly with EX dosages (P<0.01). EO and EX exhibited depressive effects (in linear and quadratic (P<0.05), and linear manners (P<0.01), respectively) on total protozoa count. A mixed linear and quadratic effect was observed from both EO and EX on total VFA concentration (P<0.01). Total VFA concentration increased at 300 mg/L of EX, but decreased at high dose of both EO and EX. The acetate proportion increased with EO intermediate and high dosages, but it decreased at the expense of propionate at low and intermediate doses of EX. In total, these findings confirmed previous research on the great capacity of plant-based feed additives in positively modulating rumen fermentation that their effects may vary depending on the used doses. Specifically, these results suggest that EO and EX have high potentials to improve rumen functions at intermediate doses, which needs to be confirmed by in vivo experiments.
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Imbabi T, Sabeq I, Osman A, Mahmoud K, Amer SA, Hassan AM, Kostomakhin N, Habashy W, Easa AA. Impact of Fennel Essential Oil as an Antibiotic Alternative in Rabbit Diet on Antioxidant Enzymes Levels, Growth Performance, and Meat Quality. Antioxidants (Basel) 2021; 10:1797. [PMID: 34829668 PMCID: PMC8614930 DOI: 10.3390/antiox10111797] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 11/03/2021] [Accepted: 11/08/2021] [Indexed: 12/16/2022] Open
Abstract
In the current study, fennel essential oil was used as an antibiotic alternative compared to gentamycin for enhancing the expression of apoptosis genes and antioxidant enzymes in weaned rabbits as well as meat quality and growth performance. The gene expression of the cell lymphoma 2 (BAX and BCL2), caspase3 (CASP3), and glutathione peroxidase (GPX1) were estimated in the liver tissue using qRT-PCR. A total of 45 Moshtohor weaned male rabbits aged four weeks were randomly allocated to control, T1, and T2 treatment groups; each consisted of 15 weaned male rabbits with five replicates. Rabbits in the T1 and T2 groups were orally supplied with 1 mL fennel oil and 1 mL gentamycin, respectively. Weaned rabbits under different treatments showed increased body weight (BW) at 8 and 12 weeks of age and average daily gain (ADG) at 4-8 and 4-12 weeks of age compared to the control group. Compared to the controls, the weaned rabbits supplemented with fennel oil and gentamycin had lower total cholesterol, triglyceride, and MDA. In addition, villus length, mRNA of BAX, BCL2, Casp3, and GPX were increased in the different treatments compared to the control. Furthermore, the meat of these rabbits was less tender, had a lower aerobic plate count (APC), pH, and was brighter and redder in color than the control. Under the conditions of the present study, the supplementation of weaned Moshtohor rabbits with fennel oil as a natural alternative for gentamycin enhanced feed conversion and daily gain through enhancing villus length and mucus thickness. Additionally, fennel essential oil reduces oxidative stress by increasing the antioxidant enzymes.
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Affiliation(s)
- Tharwat Imbabi
- Department of Animal Production, Faculty of Agriculture, Benha Univerisity, Benha 13736, Egypt
| | - Islam Sabeq
- Department of Food Hygiene, Faculty of Veterinary Medicine, Benha University, Benha 13736, Egypt;
| | - Ali Osman
- Biochemistry Department, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
| | - Kamal Mahmoud
- Biochemistry Department, Faculty of Agriculture, Menoufia University, Shibin El-Kom 32511, Egypt;
| | - Shimaa A. Amer
- Department of Nutrition & Clinical Nutrition, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44511, Egypt;
| | - Aziza M. Hassan
- Department of Biotechnology, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Nikolay Kostomakhin
- Department of Dairy and Beef Cattle Breeding, Russian State Agrarian University-Moscow Agriculture Academy, 115432 Moscow, Russia;
| | - Walid Habashy
- Faculty of Agriculture, Animal and Poultry Production, Damanhour University, Damanhour 22511, Egypt; (W.H.); (A.A.E.)
| | - Ahmed A. Easa
- Faculty of Agriculture, Animal and Poultry Production, Damanhour University, Damanhour 22511, Egypt; (W.H.); (A.A.E.)
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Abdelli N, Francisco Pérez J, Vilarrasa E, Melo-Duran D, Cabeza Luna I, Karimirad R, Solà-Oriol D. Microencapsulation Improved Fumaric Acid and Thymol Effects on Broiler Chickens Challenged With a Short-Term Fasting Period. Front Vet Sci 2021; 8:686143. [PMID: 34722691 PMCID: PMC8554117 DOI: 10.3389/fvets.2021.686143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 09/08/2021] [Indexed: 11/13/2022] Open
Abstract
The first objective of this study was to demonstrate the usefulness of the microencapsulation technique to protect fumaric acid and thymol, avoiding their early absorption and ensuring their slow release throughout the gastrointestinal tract (GIT). For this purpose, the release of a lipid matrix microencapsulated brilliant blue (BB) was assessed in vitro, using a simulated broiler intestinal fluid, and in vivo. In vitro results showed that more than 60% of BB color reached the lower intestine, including 26.6 and 29.7% in the jejunum and ileum, respectively. The second objective was to determine the effects of microencapsulated fumaric acid, thymol, and their mixture on the performance and gut health of broilers challenged with a short-term fasting period (FP). One-day-old male ROSS 308 chickens (n = 280) were randomly distributed into seven treatments, with 10 replicates of four birds each. Dietary treatments consisted of a basal diet as negative control (NC), which was then supplemented by either non-microencapsulated fumaric acid (0.9 g/kg), thymol (0.6 g/kg), or a mixture of them. The same additive doses were also administered in a microencapsulated form (1.5 and 3 g/kg for the fumaric acid and thymol, respectively). At day 21, chickens were subjected to a 16.5-h short-term FP to induce an increase in intestinal permeability. Growth performance was assessed weekly. At day 35, ileal tissue and cecal content were collected from one bird per replicate to analyze intestinal histomorphology and microbiota, respectively. No treatment effect was observed on growth performance from day 1 to 21 (p > 0.05). Microencapsulated fumaric acid, thymol, or their mixture improved the overall FCR (feed conversion ratio) and increased ileal villi height-to-crypt depth ratio (VH:CD) (p < 0.001) on day 35 of the experiment. The microencapsulated mixture of fumaric acid and thymol increased cecal abundance of Bacteroidetes, Bacillaceae, and Rikenellaceae, while decreasing that of Pseudomonadaceae. These results indicate that the microencapsulation technique used in the current study can be useful to protect fumaric acid and thymol, avoiding early absorption, ensure their slow release throughout the GIT, and improve their effects on fasted broiler chickens.
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Affiliation(s)
- Nedra Abdelli
- Animal Nutrition and Welfare Service (SNIBA), Department of Animal and Science, Facultat de Veterinària, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - José Francisco Pérez
- Animal Nutrition and Welfare Service (SNIBA), Department of Animal and Science, Facultat de Veterinària, Universitat Autònoma de Barcelona, Barcelona, Spain
| | | | - Diego Melo-Duran
- Animal Nutrition and Welfare Service (SNIBA), Department of Animal and Science, Facultat de Veterinària, Universitat Autònoma de Barcelona, Barcelona, Spain
| | | | - Razzagh Karimirad
- Department of Animal Science, Lorestan University, Khorramabad, Iran
| | - David Solà-Oriol
- Animal Nutrition and Welfare Service (SNIBA), Department of Animal and Science, Facultat de Veterinària, Universitat Autònoma de Barcelona, Barcelona, Spain
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Kuralkar P, Kuralkar SV. Role of herbal products in animal production - An updated review. JOURNAL OF ETHNOPHARMACOLOGY 2021; 278:114246. [PMID: 34052352 DOI: 10.1016/j.jep.2021.114246] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 05/19/2021] [Accepted: 05/24/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Plants are used for health and medical functions since ancient times. Plants and their extracts are also well-known phytobiotics or phytogenics that are widely used in animal traditional and alternative medicine. In recent years the use of herbal/plant medicine is increased in livestock production due to the side effects of modern drugs, the high input costs, toxic residues in food, microbial resistance and due to the development of organic livestock production systems. Plants are used as health promoters and also for the treatment of diseases. AIM OF THE STUDY This review aims to provide information on various plants used in animal health care, production and reproduction in various forms. METHODS We carefully searched the scientific literature for data related to traditional scientific use of herbal products in animal production. This review summarized published literature collected from library, the online databases, and various scientific search engines including PubMed, Elsevier, Google Scholar, Science Direct, Scopus, and Research gate. The Plant List (www.theplantlist.org) databases were used to provide the scientific names, subspecies of plants. RESULTS Various herbs play important role in production and reproduction of animal. Herbs acts as feed additives, growth promoters, immune boosters, improves reproduction in animals and also helps in reduction of methane and ammonia emission. Secondary metabolites like Tanins, saponin, flavonoids and essential oils are the most used for rumen manipulation and have great potential in poultry and pig nutrition. CONCLUSION The traditional knowledge may play important role, hence documentation and preservation is a must before it is lost forever. Medicinal herbs are a potential source as therapeutics and nutritive aids and have a significant role in health system all over the world for both humans and animals.
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Affiliation(s)
- Prajakta Kuralkar
- Department of Veterinary Physiology, Post Graduate Institute of Veterinary and Animal Science (MAFSU), Akola, 444 104, India.
| | - S V Kuralkar
- Department of Animal Genetics and Breeding, Post Graduate Institute of Veterinary and Animal Science (MAFSU), Akola, 444 104, India
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Effects of pepper extract in suckling lamb feed: Growth performance, metabolism, and oxidative responses. ANNALS OF ANIMAL SCIENCE 2021. [DOI: 10.2478/aoas-2021-0055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Our objective was to determine whether the inclusion of pepper extract would improve health in suckling lambs, stimulating antioxidant activity, and improving performance. We used Lacaune lambs distributed in four treatments, with four repetitions per treatment and three lambs per repetition: control group (T0) and treatments T1, T2, and T3 that received 200, 400, and 800 mg/kg of pepper extract, respectively. Groups T1 and T2 consumed more significant amounts of silage than group T0, and animals from group T1 consumed more concentrate and, consequently, consumed more solids. The addition of pepper extract enhanced growth performance, with the lowest dose (T1) giving rise to the most significant weight gain, average daily gain, and body weight, compared to T0. Regression analysis showed that the optimum point for pepper extract supplementation was 301.5 mg/kg. The levels of total protein and globulins were significantly higher for animals supplemented with pepper extract (day 28) than the control; the concentrations of albumin and urea increased over time but did not differ significantly among treatments. Serum glucose levels decreased significantly over time; however, the groups supplemented with pepper extract showed higher concentrations than group T0. The hematocrit was significantly higher in groups fed pepper extract; hemoglobin concentrations were also more significant, increasing over time in both groups. The groups that consumed the pepper extract had higher leukocyte counts due to greater lymphocytes and neutrophils. Levels of non-protein thiols increased significantly over time, while lipid peroxidation levels decreased significantly in all groups. The concentrations of reactive oxygen species significantly decreased in the serum of group T3 animals, those fed with pepper extract (day 28), compared to the control. In general, the addition of pepper extract in lamb feed can enhance weight gain, increase antioxidant levels, and stimulate the production of leukocytes and globulins in lambs.
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Tolve R, Tchuenbou-Magaia F, Di Cairano M, Caruso MC, Scarpa T, Galgano F. Encapsulation of bioactive compounds for the formulation of functional animal feeds: The biofortification of derivate foods. Anim Feed Sci Technol 2021. [DOI: 10.1016/j.anifeedsci.2021.115036] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Fumagalli F, Ottoboni M, Pinotti L, Cheli F. Integrated Mycotoxin Management System in the Feed Supply Chain: Innovative Approaches. Toxins (Basel) 2021; 13:572. [PMID: 34437443 PMCID: PMC8402322 DOI: 10.3390/toxins13080572] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 08/13/2021] [Accepted: 08/13/2021] [Indexed: 12/24/2022] Open
Abstract
Exposure to mycotoxins is a worldwide concern as their occurrence is unavoidable and varies among geographical regions. Mycotoxins can affect the performance and quality of livestock production and act as carriers putting human health at risk. Feed can be contaminated by various fungal species, and mycotoxins co-occurrence, and modified and emerging mycotoxins are at the centre of modern mycotoxin research. Preventing mould and mycotoxin contamination is almost impossible; it is necessary for producers to implement a comprehensive mycotoxin management program to moderate these risks along the animal feed supply chain in an HACCP perspective. The objective of this paper is to suggest an innovative integrated system for handling mycotoxins in the feed chain, with an emphasis on novel strategies for mycotoxin control. Specific and selected technologies, such as nanotechnologies, and management protocols are reported as promising and sustainable options for implementing mycotoxins control, prevention, and management. Further research should be concentrated on methods to determine multi-contaminated samples, and emerging and modified mycotoxins.
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Affiliation(s)
- Francesca Fumagalli
- Department of Health, Animal Science and Food Safety, “Carlo Cantoni” University of Milan, 20134 Milan, Italy; (M.O.); (L.P.); (F.C.)
| | - Matteo Ottoboni
- Department of Health, Animal Science and Food Safety, “Carlo Cantoni” University of Milan, 20134 Milan, Italy; (M.O.); (L.P.); (F.C.)
| | - Luciano Pinotti
- Department of Health, Animal Science and Food Safety, “Carlo Cantoni” University of Milan, 20134 Milan, Italy; (M.O.); (L.P.); (F.C.)
- CRC I-WE (Coordinating Research Centre: Innovation for Well-Being and Environment), University of Milan, 20134 Milan, Italy
| | - Federica Cheli
- Department of Health, Animal Science and Food Safety, “Carlo Cantoni” University of Milan, 20134 Milan, Italy; (M.O.); (L.P.); (F.C.)
- CRC I-WE (Coordinating Research Centre: Innovation for Well-Being and Environment), University of Milan, 20134 Milan, Italy
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