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Mellouk A, Mahmood T, Jlali M, Vieco-Saiz N, Michel V, Cozannet P, Ozbek S, Mercier Y, Devillard E, Consuegra J. Potential of guar gum as a leaky gut model in broilers: Digestibility, performance, and microbiota responses. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2024; 17:177-187. [PMID: 38779326 PMCID: PMC11109731 DOI: 10.1016/j.aninu.2024.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 01/02/2024] [Accepted: 01/23/2024] [Indexed: 05/25/2024]
Abstract
Diet is a major modulator of animal resilience and its three pillars: host's immune response, gut microbiota, and intestinal barrier. In the present study, we endeavour to delineate a challenging condition aimed to degrade these pillars and elucidate its impact on broiler performance and nutrient digestibility. To attain this objective, we opted to use guar gum (GG) as a source of galactomannan. A series of three in vivo experiments were conducted employing conventional or semi-purified diets, supplemented with or without GG during the grower phase (14-28 d). Our findings demonstrate a substantial decline in animal performance metrics such as body weight (reduced by 29%, P < 0.001), feed intake (decreased by 12%, P < 0.001), and feed conversion ratio (up to 58% increase, P < 0.001) in the presence of GG at 2%. The supplementation of a semi-purified diet with incremental doses of GG resulted in a linear reduction (P < 0.001) in the apparent total tract digestibility of dry matter and apparent metabolisable energy. Additionally, a marked reduction in ileal endogenous losses, as well as apparent and standardised digestibility of all amino acids with varying proportions (P < 0.05), was observed. These alterations were accompanied by disrupted gut integrity assessed by fluorescein isothiocyanate-dextran (FITC-d) (P < 0.001) as well as an inflammatory status characterised by elevated levels of acute-phase proteins, namely orosomucoid and serum amyloid A in the sera (P = 0.03), and increased mRNA expression levels of IL-1, IL-6, IL-8, Inos, and K203 genes in the ileum, along with a decrease in IgA levels in the gut lumen (P < 0.05). Microbial ecology and activity were characterised by reduced diversity and richness (Shannon index, P = 0.005) in the presence of GG. Consequently, our results revealed diminished levels of short-chain fatty acids (P = 0.01) and their producer genera, such as Clostridium_XIVa and Blautia, in the gut caeca, coupled with excessive accumulation of lactate (17-fold increase, P < 0.01) in the presence of GG at 2%. In addition to providing a more comprehensive characterisation of the GG supplementation as a leaky gut model, our results substantiate a thorough understanding of the intricate adjustments and interplay between the intestinal barrier, immune response, and microbiota. Furthermore, they underscore the significance of feed components in modulating these dynamics.
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Affiliation(s)
| | | | | | - Nuria Vieco-Saiz
- Department of R&I in Monogastric Animal Nutrition, European Laboratory of Innovation Science & Expertise (ELISE), Adisseo France S.A.S., Saint Fons, France
| | - Virginie Michel
- Department of R&I in Monogastric Animal Nutrition, European Laboratory of Innovation Science & Expertise (ELISE), Adisseo France S.A.S., Saint Fons, France
| | - Pierre Cozannet
- Department of R&I in Monogastric Animal Nutrition, European Laboratory of Innovation Science & Expertise (ELISE), Adisseo France S.A.S., Saint Fons, France
| | - Sarper Ozbek
- Department of R&I in Monogastric Animal Nutrition, European Laboratory of Innovation Science & Expertise (ELISE), Adisseo France S.A.S., Saint Fons, France
| | - Yves Mercier
- Department of R&I in Monogastric Animal Nutrition, European Laboratory of Innovation Science & Expertise (ELISE), Adisseo France S.A.S., Saint Fons, France
| | - Estelle Devillard
- Department of R&I in Monogastric Animal Nutrition, European Laboratory of Innovation Science & Expertise (ELISE), Adisseo France S.A.S., Saint Fons, France
| | - Jessika Consuegra
- Department of R&I in Monogastric Animal Nutrition, European Laboratory of Innovation Science & Expertise (ELISE), Adisseo France S.A.S., Saint Fons, France
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Rama Rao SV, Raju MVLN, Nagalakshmi D, Srilatha T, Paul SS, Prakash B, Kannan A. Higher concentrations of folic acid reduced the dietary requirements of supplemental methionine for commercial broilers. Anim Biosci 2024; 37:875-882. [PMID: 37402450 PMCID: PMC11065717 DOI: 10.5713/ab.22.0374] [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: 09/22/2022] [Revised: 01/08/2023] [Accepted: 06/14/2023] [Indexed: 07/06/2023] Open
Abstract
OBJECTIVE An experiment was conducted to study the effect of supplementing DL methionine (DL Met) at graded concentrations on performance, carcass variables, immune responses and antioxidant variables in broiler chicken fed folic acid (FA) fortified (4 mg/kg) lowmethionine diet. METHODS A basal diet (BD) without supplemental DL Met, but with higher level (4 mg/kg) of FA and a control diet (CD) with the recommended concentration of methionine (Met) were prepared. The BD was supplemented with DL Met at graded concentrations (0%, 10%, 20%, 30%, 40%, and 50% supplemental DL Met of CD). Each diet was fed ad libitum to 10 replicates of 5 broiler male chicks in each from 1 to 42 d of age. RESULTS Body weight gain (BWG) reduced, and feed conversion ratio (FCR) increased in broilers fed low-Met BD. At 30% and 20% inclusion of DL met, the BWG and FCR, respectively were similar to those fed the CD. Similarly, supplementation of 10% DL Met to the BD significantly increased ready to cook meat yield and breast meat weight, which were similar to those of the CD fed broilers. Lipid peroxidation reduced, the activity of antioxidant enzymes (GSHPx and GSHRx) in serum increased and lymphocyte proliferation increased with increased supplemental DL Met level in the BD. The concentrations of total protein and albumin in serum increased with DL Met supplementation to the BD. CONCLUSION Based on the data, it can be concluded that supplemental Met can be reduced to less than 50% in broiler chicken diets (4.40, 3.94, and 3.39 g/kg, respectively in pre-starter, starter and finisher phases) containing 4 mg/kg FA.
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Affiliation(s)
- S. V. Rama Rao
- ICAR - Directorate of Poultry Research, Rajendranagar, Hyderabad 500 030,
India
| | - M. V. L. N. Raju
- ICAR - Directorate of Poultry Research, Rajendranagar, Hyderabad 500 030,
India
| | - D. Nagalakshmi
- Department of Animal Nutrition, College of Veterinary Science, Rajendranagar, Hyderabad 500 030,
India
| | - T. Srilatha
- Department of Animal Nutrition, College of Veterinary Science, Rajendranagar, Hyderabad 500 030,
India
| | - S. S. Paul
- ICAR - Directorate of Poultry Research, Rajendranagar, Hyderabad 500 030,
India
| | - B. Prakash
- ICAR - Directorate of Poultry Research, Rajendranagar, Hyderabad 500 030,
India
| | - A. Kannan
- ICAR - Directorate of Poultry Research, Rajendranagar, Hyderabad 500 030,
India
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Zhang K, Meng H, Du M, Du Y, Li X, Wang Y, Liu H. Quantitative Phosphoproteomics Analysis Reveals the Protective Mechanism of Chlorogenic Acid on Immunologically Stressed Broiler Meat Quality. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:5062-5072. [PMID: 38377574 DOI: 10.1021/acs.jafc.3c07304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
Modern poultry production is stressful for the birds, and this stress is recognized as a major cause of inferior meat quality. Chlorogenic acid (CGA), a plant phenolic acid, has excellent antioxidant and anti-inflammatory properties. The antioxidant capacity and phosphoproteomics of immunologically stressed broiler breast muscle were assessed to elucidate the mechanism of the beneficial effects of CGA on meat quality. Dietary CGA decreased drip and cooking loss, postmortem pH and antioxidant capacity of breast muscle from stressed broilers, and increased MyHC-I mRNA levels. Quantitative phosphoproteomics revealed that CGA supplementation downregulated the phosphorylation of myofibrillar proteins, glycolytic enzymes, and endoplasmic reticulum proteins involved in homeostasis, which contributed to improving the meat quality of broilers. Moreover, 14 phosphorylation sites (e.g., P13538-Ser1236 and F1NN63-Ser117) in 13 phosphoproteins were identified as key regulators of processes related to broiler meat quality. Together, these findings provide novel regulatory targets and nutritional strategies for improving the stressed broiler meat quality.
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Affiliation(s)
- Kai Zhang
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Hongling Meng
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Mengmeng Du
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Yifan Du
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Xuemin Li
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Yang Wang
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
| | - Huawei Liu
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao 266109, China
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Zhang LZ, Gong JG, Li JH, Hao YS, Xu HJ, Liu YC, Feng ZH. Dietary resveratrol supplementation on growth performance, immune function and intestinal barrier function in broilers challenged with lipopolysaccharide. Poult Sci 2023; 102:102968. [PMID: 37586190 PMCID: PMC10450988 DOI: 10.1016/j.psj.2023.102968] [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: 04/06/2023] [Revised: 07/13/2023] [Accepted: 07/22/2023] [Indexed: 08/18/2023] Open
Abstract
This study discusses the effects of resveratrol (RES) on the productive performance, immune function and intestinal barrier function of broiler chickens challenged with lipopolysaccharide (LPS). Two hundred and forty 1-day-old male Arbor Acres broilers were randomly divided into 4 groups of 6 replicates each, with 10 broilers per replicate. This experiment used a 2 × 2 factorial design with dietary factors (basal diets or basal diets supplemented with 400 mg/kg RES were administered from d 1 to 21) and stress factors (intraperitoneal injection of 0.5 mg/kg BW of saline or LPS at 16, 18 and 20 d of age). The results showed that LPS challenge had a significant adverse effect on average daily gain (ADG) in broilers at 16 to 21 d of age (P < 0.05), whereas the addition of RES to the diet inhibited the LPS-induced decrease in ADG (P < 0.05). RES also alleviated LPS-induced immune function damage in broilers, which was manifested by the decrease of spleen index (P < 0.05) and the recovery of serum immunoglobulin M and ileal secretory immunoglobulin A content (P < 0.05). The LPS challenge also disrupts intestinal barrier function and inflammation, and RES mitigates these adverse effects in different ways. RES attenuated LPS-induced reduction of villus height in the jejunum and ileum of broilers (P < 0.05). LPS also caused an abnormal increase in plasma D-lactic acid levels in broilers (P < 0.05), which was effectively mitigated by RES (P < 0.05). LPS challenge resulted in a significant decrease in mRNA expression of occludin in the intestinal mucosa (P < 0.05), which was mitigated by the addition of RES (P < 0.05). RES significantly decreased the mRNA expression of toll-like receptor 4, nuclear factor kappa-B and tumor necrosis factor alpha in the ileum tissue stimulated by LPS (P < 0.05). Taken together, this study shows that RES exerts its beneficial effect on broilers challenged with LPS by alleviating immune function damage, relieving intestinal inflammation and barrier damage, and thus improving growth performance.
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Affiliation(s)
- Lei-Zheng Zhang
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, Hebei 071001, China
| | - Jian-Gang Gong
- College of Food Science and Technology, Hebei Agricultural University, Baoding, Hebei 071001, China
| | - Jia-Hui Li
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, Hebei 071001, China
| | - Yan-Shuang Hao
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, Hebei 071001, China
| | - Hong-Jian Xu
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, Hebei 071001, China
| | - Yan-Ci Liu
- Baoding Vocational and Technical College, Baoding, Hebei 071001, China
| | - Zhi-Hua Feng
- College of Animal Science and Technology, Hebei Agricultural University, Baoding, Hebei 071001, China.
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Tan H, Zhen W, Bai D, Liu K, He X, Ito K, Liu Y, Liu Y, Zhang Y, Zhang B, Ma Y. Effects of dietary chlorogenic acid on intestinal barrier function and the inflammatory response in broilers during lipopolysaccharide-induced immune stress. Poult Sci 2023; 102:102623. [PMID: 36972676 PMCID: PMC10050632 DOI: 10.1016/j.psj.2023.102623] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/26/2023] [Accepted: 02/27/2023] [Indexed: 03/06/2023] Open
Abstract
Immune stress exerts detrimental effects on growth performance and intestinal barrier function during intensive animal production with ensuing serious economic consequences. Chlorogenic acid (CGA) is used widely as a feed additive to improve the growth performance and intestinal health of poultry. However, the effects of dietary CGA supplementation on amelioration of the intestinal barrier impairment caused by immune stress in broilers are unknown. This study investigated the effects of CGA on growth performance, intestinal barrier function, and the inflammatory response in lipopolysaccharide (LPS) mediated immune-stressed broilers. Three hundred and twelve 1-day-old male Arbor Acres broilers were divided randomly into 4 groups with 6 replicates of thirteen broilers. The treatments included: i) saline group: broilers injected with saline and fed with basal diet; ii) LPS group: broilers injected with LPS and fed with basal diet; iii) CGA group: broilers injected with saline and feed supplemented with CGA; and iv) LPS+CGA group: broilers injected with LPS and feed supplemented with CGA. Animals in the LPS and LPS+CGA groups were injected intraperitoneally with an LPS solution prepared with saline from 14 d of age for 7 consecutive days, whereas broilers in the other groups were injected only with saline. LPS induced a decrease in feed intake of broilers during the stress period, but CGA effectively alleviated this decrease. Moreover, CGA inhibited the reduction of villus height and improved the ratio of villus height to crypt depth in the duodenum of broilers 24 and 72 h after LPS injection. In addition, dietary CGA supplementation significantly restored the expression of cation-selective and channel-forming Claudin2 protein 2 h after LPS injection in the ileum. LPS enhanced the expression of tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) in the small intestine, but this enhancement was blocked by CGA supplementation. The expression of interleukin-10 (IL-10) increased with LPS injection and CGA promoted the production of IL-10. CGA addition downregulated the expression of intestinal interleukin-6 (IL-6) of broilers under normal rearing conditions. However, CGA supplementation upregulated the expression of IL-6 of broilers 72 h after LPS injection. The data demonstrate that dietary supplementation with CGA alleviates intestinal barrier damage and intestinal inflammation induced by LPS injection during immune stress thereby improving growth performance of broilers.
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Rao SVR, Raju MVLN, Srilatha T, Nagalakshmi D, Rajkumar U. Supplementation of sulfur and folic acid improves performance of broiler chicken fed suboptimal concentrations of dietary methionine. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:5720-5728. [PMID: 35396738 DOI: 10.1002/jsfa.11920] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 04/05/2022] [Accepted: 04/09/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Supplementation of sulfur (S) and folic acid (FA) are known to spare the dietary requirement of methionine (Met) in chicken. An experiment was conducted to determine the effects of feeding graded concentrations of FA (0, 2, 4, 6, 8 mg kg-1 ) and two concentrations of S (0 and 2 g kg-1 ) in 5 × 2 factorial design. Diet without FA and S was considered as negative control (NC). Another diet with the recommended concentration of Met was considered as the positive control (PC). Each diet was offered ad libitum from day 1 to 42 to 10 pens of 20 male chicks each. RESULTS Broilers fed the NC diet had lower body weight gain (BWG), high feed conversion ratio, lower ready-to-cook yield, higher lipid peroxidation and reduced concentrations of protein and albumin in serum. BWG improved with FA at day 21 and showed a trend of improvement at day 42. Similarly, BWG improved with S supplementation at day 42. The FA and S interaction indicated a significant reduction in lipid peroxidation with S supplementation at the majority of FA levels. Serum protein fractions increased with increased dietary FA content and increased further with S supplementation. CONCLUSION Based on the results, it is concluded that the combination of FA (4 mg kg-1 ) and S (2 g kg-1 ) improved BWG. Similarly, the feed efficiency with 6 mg FA alone or with S was similar to the PC group. The improvement was probably due to the increase in protein accretion and reduction in lipid peroxidation with FA and S supplementation. © 2022 Society of Chemical Industry.
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Ren Z, Yan J, Whelan R, Liao X, Bütz DE, Arendt MK, Cook ME, Yang X, Crenshaw TD. Dietary supplementation of sulfur amino acids improves intestinal immunity to Eimeria in broilers treated with anti-interleukin-10 antibody. ANIMAL NUTRITION 2022; 10:382-389. [PMID: 35949200 PMCID: PMC9356037 DOI: 10.1016/j.aninu.2022.06.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 03/10/2022] [Accepted: 06/15/2022] [Indexed: 12/24/2022]
Abstract
Oral antibody to interleukin-10 (anti-IL-10) enhances the intestinal immune defense against Eimeria. The sulfur amino acids methionine and cysteine (M+C) play essential roles in inducing and maintaining protective immune responses during intestinal infections. Hence, increased dietary M+C may support the anti-IL-10-induced intestinal immunity to Eimeria. Broilers (n = 640) were arranged in a 2 × 2 × 2 factorial design with 2 levels of each of the 3 main factors: dietary standardized ileal digestible (SID) M+C levels (0.6% or 0.8%), dietary anti-IL-10 supplementation (with or without), and coccidiosis challenge (control or challenge). Briefly, the broilers were supplied with either 0.6% or 0.8% SID M+C, each with or without anti-IL-10 (300 μg/kg), from d 10 to 21. On d 14, broilers from each diet were gavaged with either PBS or Eimeria. The resulting Eimeria infection induced fecal oocyst shedding and intestinal lesions. Broilers fed 0.8% SID M+C (main effects, P ≤ 0.05) had decreased feed-to-gain ratio, increased duodenum and cecum luminal anti-Eimeria IgA titers, and decreased fecal oocyst counts, when compared to 0.6% SID M+C. The supplementation of anti-IL-10 (main effects, P ≤ 0.05) increased cecum luminal total IgA concentration and decreased cecum lesions. Interactions (P ≤ 0.05) were detected for growth performance and cecum luminal IFN-γ. Briefly, the highest body weight gain and feed intake were reached in PBS-gavaged broilers fed 0.8% SID M+C with no anti-IL-10 and in Eimeria-challenged broilers fed 0.8% SID M+C with anti-IL-10. In Eimeria-infected broilers, anti-IL-10 increased intestinal luminal IFN-γ and body weight gain only at 0.8% SID M+C. Collectively, anti-IL-10 increased intestinal luminal IFN-γ levels, decreased cecum lesions and restored growth only when fed with adequate amounts of sulfur amino acids. Our findings underscore the importance of providing sufficient essential nutrients to support the anti-IL-10 induced immunity against coccidiosis.
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Affiliation(s)
- Zhouzheng Ren
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
- Department of Animal Sciences, University of Wisconsin, Madison, WI, USA
| | - Jiakun Yan
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Rose Whelan
- Evonik Operations GmbH, Hanau-Wolfgang, Germany
| | - Xujie Liao
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
| | - Daniel E. Bütz
- Department of Animal Sciences, University of Wisconsin, Madison, WI, USA
| | - Maria K. Arendt
- Department of Animal Sciences, University of Wisconsin, Madison, WI, USA
| | - Mark E. Cook
- Department of Animal Sciences, University of Wisconsin, Madison, WI, USA
| | - Xiaojun Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
- Corresponding authors.
| | - Thomas D. Crenshaw
- Department of Animal Sciences, University of Wisconsin, Madison, WI, USA
- Corresponding authors.
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Konieczka P, Tykałowski B, Ognik K, Kinsner M, Szkopek D, Wójcik M, Mikulski D, Jankowski J. Increased arginine, lysine, and methionine levels can improve the performance, gut integrity and immune status of turkeys but the effect is interactive and depends on challenge conditions. Vet Res 2022; 53:59. [PMID: 35883183 PMCID: PMC9327309 DOI: 10.1186/s13567-022-01080-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 07/01/2022] [Indexed: 11/10/2022] Open
Abstract
Arginine (Arg), lysine (Lys), and methionine (Met) can be used to support the health status of turkeys. The present study investigated selected performance, gut integrity, and immunological parameters in turkeys reared in optimal or challenge conditions. The experiment lasted for 28 days, and it had a completely randomized 2 × 3 factorial design with two levels of dietary Arg, Lys and Met (high or low) and challenge with Clostridium perfringens (C. perfringens), Escherichia coli lipopolysaccharide (LPS) or no challenge (placebo). Increased dietary levels of Arg, Lys and Met had a beneficial effect on turkey performance and immunological parameters, and it improved selected indicators responsible for maintaining gut integrity in different challenge conditions. Under optimal conditions (with no challenge), high ArgLysMet diets did not compromise bird performance and they improved selected performance parameters in challenged birds. The immune system of turkeys was not excessively stimulated by high ArgLysMet diets, which did not disrupt the redox balance and had no negative effect on gut integrity. High ArgLysMet diets increased the expression levels of selected genes encoding nutrient transporters and tight junction proteins. However, the influence exerted by different dietary inclusion levels of Arg, Lys and Met on gut integrity was largely determined by the stressor (C. perfringens vs. LPS). Further studies are required to investigate the role of Arg, Lys and Met levels in the diet on the immune response, gut function and performance of turkeys in different challenge conditions.
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Affiliation(s)
- Paweł Konieczka
- Department of Poultry Science, University of Warmia and Mazury in Olsztyn, 10-719, Olsztyn, Poland. .,Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110, Jabłonna, Poland.
| | - Bartłomiej Tykałowski
- Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, 10‑719, Olsztyn, Poland
| | - Katarzyna Ognik
- Department of Biochemistry and Toxicology, University of Life Sciences, 20-950, Lublin, Poland
| | - Misza Kinsner
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110, Jabłonna, Poland
| | - Dominika Szkopek
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110, Jabłonna, Poland
| | - Maciej Wójcik
- Department of Animal Nutrition, The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, Instytucka 3, 05-110, Jabłonna, Poland
| | - Dariusz Mikulski
- Department of Poultry Science, University of Warmia and Mazury in Olsztyn, 10-719, Olsztyn, Poland
| | - Jan Jankowski
- Department of Poultry Science, University of Warmia and Mazury in Olsztyn, 10-719, Olsztyn, Poland
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Niu X, Ding Y, Chen S, Gooneratne R, Ju X. Effect of Immune Stress on Growth Performance and Immune Functions of Livestock: Mechanisms and Prevention. Animals (Basel) 2022; 12:ani12070909. [PMID: 35405897 PMCID: PMC8996973 DOI: 10.3390/ani12070909] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 03/19/2022] [Accepted: 03/26/2022] [Indexed: 02/06/2023] Open
Abstract
Simple Summary Immune stress is an important stressor in domestic animals that leads to decreased feed intake, slow growth, and reduced disease resistance of pigs and poultry. Especially in high-density animal feeding conditions, the risk factor of immune stress is extremely high, as they are easily harmed by pathogens, and frequent vaccinations are required to enhance the immunity function of the animals. This review mainly describes the causes, mechanisms of immune stress and its prevention and treatment measures. This provides a theoretical basis for further research and development of safe and efficient prevention and control measures for immune stress in animals. Abstract Immune stress markedly affects the immune function and growth performance of livestock, including poultry, resulting in financial loss to farmers. It can lead to decreased feed intake, reduced growth, and intestinal disorders. Studies have shown that pathogen-induced immune stress is mostly related to TLR4-related inflammatory signal pathway activation, excessive inflammatory cytokine release, oxidative stress, hormonal disorders, cell apoptosis, and intestinal microbial disorders. This paper reviews the occurrence of immune stress in livestock, its impact on immune function and growth performance, and strategies for immune stress prevention.
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Affiliation(s)
- Xueting Niu
- Department of Veterinary Medicine, Guangdong Ocean University, Zhanjiang 524088, China; (X.N.); (Y.D.); (S.C.)
- Marine Medical Research and Development Centre, Shenzhen Institute of Guangdong Ocean University, Shenzhen 518018, China
| | - Yuexia Ding
- Department of Veterinary Medicine, Guangdong Ocean University, Zhanjiang 524088, China; (X.N.); (Y.D.); (S.C.)
| | - Shengwei Chen
- Department of Veterinary Medicine, Guangdong Ocean University, Zhanjiang 524088, China; (X.N.); (Y.D.); (S.C.)
- Marine Medical Research and Development Centre, Shenzhen Institute of Guangdong Ocean University, Shenzhen 518018, China
| | - Ravi Gooneratne
- Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand;
| | - Xianghong Ju
- Department of Veterinary Medicine, Guangdong Ocean University, Zhanjiang 524088, China; (X.N.); (Y.D.); (S.C.)
- Marine Medical Research and Development Centre, Shenzhen Institute of Guangdong Ocean University, Shenzhen 518018, China
- Correspondence:
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Medina G, Nosworthy MG, Petkau JC, Blewett H, Li S, House JD. Alteration of the dietary methionine:cysteine ratio modulates the inflammatory response to an inter-peritoneal injection of lipopolysaccharide in Wistar rats. J Nutr Biochem 2022; 102:108937. [PMID: 35017004 DOI: 10.1016/j.jnutbio.2022.108937] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 07/30/2021] [Accepted: 12/03/2021] [Indexed: 01/18/2023]
Abstract
Sulphur amino acids (SAA) are essential for multiple physiological/metabolic processes, with the ratio of dietary methionine:cysteine (Met:Cys) being an important contributor to pro-inflammatory responses, including TNF-α activity. The current study was designed to determine the effect an altered dietary SAA ratio, and the resulting reliance on the transsulfuration pathway to supply Cys, will have on the inflammatory response. In the present study, 100 µg/kg of an intraperitoneal (IP) injection of lipopolysaccharide (LPS) was used as a model for systemic inflammation. Male Wistar rats were randomized to one of two amino acid-defined diets, (100Met:0Cys or 50Met:50Cys) and subdivided to receive either IP LPS or saline injections. LPS significantly increased total plasma Cys, homocysteine (Hcy) and glutathione (GSH) 240 min post-IP injection in rats fed a 50Met:50Cys ratio compared to other treatments. The TNF-α area under the curve for LPS-treated rats consuming a dietary 50Met:50Cys ratio was significantly higher (p< 0.004) compared to those consuming a dietary 100Met:0Cys ratio. A significant increase in the percentage of leukocytes that were neutrophils was observed in rats injected with LPS when compared to saline with no effect of diet. These results demonstrate that an alteration of the dietary Met:Cys ratio did not attenuate the inflammatory response to an IP injection of LPS in Wistar rats; however, a diet with a balanced Met:Cys ratio increased concentrations of Cys and GSH which may result in a more rapid response to an LPS challenge.
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Affiliation(s)
- Gerardo Medina
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada.
| | - Matthew G Nosworthy
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada.
| | - Jay C Petkau
- Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada; Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Research Centre, Winnipeg, MB, R2H 2A6, Canada.
| | - Heather Blewett
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada; Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, MB, Canada; Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Research Centre, Winnipeg, MB, R2H 2A6, Canada.
| | - Shengnan Li
- Department of Animal Science, University of Manitoba, Winnipeg, MB, Canada, R3T 2N2.
| | - James D House
- Department of Food and Human Nutritional Sciences, University of Manitoba, Winnipeg, MB, R3T 2N2, Canada; Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Research Centre, Winnipeg, MB, R2H 2A6, Canada; Richardson Centre for Functional Foods and Nutraceuticals; Department of Animal Science, University of Manitoba, Winnipeg, MB, Canada, R3T 2N2.
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11
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Song B, Fu M, He F, Zhao H, Wang Y, Nie Q, Wu B. Methionine Deficiency Affects Liver and Kidney Health, Oxidative Stress, and Ileum Mucosal Immunity in Broilers. Front Vet Sci 2021; 8:722567. [PMID: 34631856 PMCID: PMC8493001 DOI: 10.3389/fvets.2021.722567] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 08/17/2021] [Indexed: 12/12/2022] Open
Abstract
Methionine (Met) is the first limiting amino acid in broiler diets, but its unclear physiological effects hamper its effective use in the poultry production industry. This study assessed the effect of a Met-deficient (MD) diet on chicken liver and kidney health, exploring the associated mechanisms of antioxidant capacity and ileum mucosal immunity. Seventy-two broilers were administered either the control diet (0.46% Met in starter diet, 0.36% Met in grower diet) or the MD diet (0.22% Met in starter diet, 0.24% Met in grower diet). Liver and kidney samples were collected every 14 days for anatomical, histological, and ultrastructural analyses, accompanied by oxidative stress assessment. Meanwhile, T- and B-lymphocyte abundance and essential cytokine gene expression were measured in the ileum, the center of the gut–liver–kidney axis. Signs of kidney and liver injury were observed morphologically in the MD group at 42 days of age. Furthermore, aspartate aminotransferase, alanine aminotransferase, creatinine, and uric acid levels were decreased in the MD group compared with the control group, accompanied by decreased superoxide dismutase activity, increased malondialdehyde content, decreased numbers of T and B lymphocytes, and decreased cytokine expression in the ileum, such as IL-2, IL-6, LITAF, and IFN-γ. These results suggest that MD can induce kidney and liver injury, and the injury pathway might be related to oxidative stress and intestinal immunosuppression.
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Affiliation(s)
- Baolin Song
- College of Life Sciences, China West Normal University, Nanchong, China.,Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Hong Kong SAR, China
| | - Min Fu
- College of Life Sciences, China West Normal University, Nanchong, China
| | - Fang He
- College of Life Sciences, China West Normal University, Nanchong, China
| | - Huan Zhao
- College of Life Sciences, China West Normal University, Nanchong, China.,Key Laboratory of Southwest China Wildlife Resources Conservation, Ministry of Education P. R. China, Nanchong, China
| | - Yu Wang
- College of Life Sciences, China West Normal University, Nanchong, China
| | - Qihang Nie
- College of Life Sciences, China West Normal University, Nanchong, China
| | - Bangyuan Wu
- College of Life Sciences, China West Normal University, Nanchong, China.,Key Laboratory of Southwest China Wildlife Resources Conservation, Ministry of Education P. R. China, Nanchong, China
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12
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Montout L, Poullet N, Bambou JC. Systematic Review of the Interaction between Nutrition and Immunity in Livestock: Effect of Dietary Supplementation with Synthetic Amino Acids. Animals (Basel) 2021; 11:ani11102813. [PMID: 34679833 PMCID: PMC8532665 DOI: 10.3390/ani11102813] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/16/2021] [Accepted: 09/21/2021] [Indexed: 01/16/2023] Open
Abstract
Infectious diseases represent one of the most critical threats to animal production worldwide. Due to the rise of pathogen resistance and consumer concern about chemical-free and environmentally friendly productions, the use of antimicrobials drugs is no longer desirable. The close relationship between nutrition and infection has led to numerous studies about livestock. The impact of feeding strategies, including synthetic amino acid supplementation, on host response to various infections has been investigated in different livestock animals. This systematic review provides a synthesis of the experimental studies on the interactions between synthetic amino acid supplementation and immune response to infectious diseases in livestock. Following PRISMA guidelines, quantitative research was conducted using two literature databases, PubMed and Web of Science. The eligibility criteria for the research articles were: (1) the host is a livestock animal; (2) the supplementation with at least one synthetic amino acid; (3) at least one mediator of immunity is measured; (4) at least one production trait is measured. Data were extracted from 58 selected studies. Articles on poultry were the most numerous; few contained experiments using ruminants and pigs. Most of the authors hypothesized that synthetic amino acid supplementation would particularly improve the animals' immune response against intracellular pathogens. An increase in T and natural killer lymphocytes and macrophages activation, intracellular redox state, lymphocytes proliferation and antibodies production were the most described immune mechanisms associated with synthetic amino acid supplementation. Most of the selected studies focused on three amino acids (methionine, threonine and arginine), all of which are associated with a significant improvement of the host immune response. The use of synthetic amino acid supplementation appears as an encouraging perspective for livestock infectious disease management, and research must concentrate on more analytical studies using these three amino acids.
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13
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Rama Rao SV, Raju MVLN, Paul SS, Nagalakshmi D, Srilatha T, Prakash B, Rajkumar U. Enhancement of performance and anti-oxidant variables in broiler chicken fed diets containing sub-optimal methionine level with graded concentrations of sulphur and folic acid. Anim Biosci 2021; 35:721-729. [PMID: 34530515 PMCID: PMC9065786 DOI: 10.5713/ab.21.0258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 08/10/2021] [Indexed: 11/27/2022] Open
Abstract
Objective An experiment was conducted to determine the effects of supplementing graded concentrations of inorganic sulphur (S) without and with folic acid (FA) in maize-soybean meal diets on performance, slaughter and anti-oxidant variables, immune responses and serum protein fractions in broiler chicken. Methods Inorganic S was supplemented at 0.05, 0.10, 0.15 and 0.20% alone or in combination with FA (4 mg/kg) in basal diet (BD) containing no supplemental methionine (Met) and FA. A control group was fed with the recommended concentration of Met. Each diet was offered to 10 pens of 5 male broiler chicks (Cobb 400) and fed ad libitum from day 1 to 42. Results The broilers fed the BD had lower body weight gain (BWG), feed efficiency (FE), higher lipid peroxidation (LP), lower activity of glutathione peroxidase (GSHPx), lower lymphocyte proliferation ratio (LPR), and reduced concentrations of total protein, albumin, and globulin in serum. Supplementation of FA and S to the BD improved the BWG (all concentrations of S) and FE (0.20% S) similar to the control group. Similarly, the combination of S and FA significantly improved the concentrations of total protein, albumin, and globulin in serum, reduced the LP and increased the activity of GSHPx and LPR. However, responses in the above parameters were related to the concentration of S in the diet. The slaughter variables and antibody titres against the Newcastle disease were not affected with the treatments. Conclusion Based on the results, it is concluded that the combination of S (0.2%) and FA (4 mg/kg) improved the body weight gain and feed efficiency, similarly supplementation of these nutrients improved the concentration of protein fractions and reduced the stress (reduced LP and improved GSHPx) variables in serum and improved the cell mediated immune response (LPR) in broilers fed sub-optimal concentrations of Met in diet.
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Affiliation(s)
| | | | - Shyam Sunder Paul
- ICAR-Directorate of Poultry Research, Rajendranagar, Hyderabad-500030, Telangana, India
| | | | - Thota Srilatha
- PVNR Telangana Veterinary University, Hyderabad, 500 030, Telangana, India
| | - Bhukya Prakash
- ICAR-Directorate of Poultry Research, Rajendranagar, Hyderabad-500030, Telangana, India
| | - Ullengala Rajkumar
- ICAR-Directorate of Poultry Research, Rajendranagar, Hyderabad-500030, Telangana, India
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14
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Ahiwe EU, Abdallh ME, Chang'a EP, Al-Qahtani M, Omede AA, Graham H, Iji PA. Influence of autolyzed whole yeast and yeast components on broiler chickens challenged with salmonella lipopolysaccharide. Poult Sci 2020; 98:7129-7138. [PMID: 31392341 PMCID: PMC6870557 DOI: 10.3382/ps/pez452] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 07/26/2019] [Indexed: 12/12/2022] Open
Abstract
The objective of this study was to assess the effect of dietary yeast products on broiler chickens challenged with salmonella lipopolysaccharide (LPS). The chicks were divided into 8 treatments with 6 replicates and 9 birds per replicate. The treatments consisted of a positive control (PC) [without supplementation and not challenged]; negative control (NC) [without supplementation but challenged]; whole yeast and challenged; yeast cell wall and challenged; yeast glucan and challenged; yeast mannan and challenged; zinc bacitracin and challenged; and Salinomycin and challenged. Whole yeast or Yeast cell wall was included at 2.0 g/kg diet. Yeast glucan or mannan was added at 0.20 g/kg diet. Zinc bacitracin (ZNB) and Salinomycin (SAL) was included at 50 and 60 ppm, respectively. Dietary treatments had no effect (P > 0.05) on feed intake (FI) at day 10. Supplementation with yeast and its derivatives improved (P < 0.05) body weight gain (BWG) and feed conversion ratio (FCR) on day 10. On days 24 and 35, LPS challenge declined FI, BWG, FCR, and flock uniformity (day 28) in the NC group compared to the PC group. Yeast products and antibiotics improved (P < 0.05) FI, BWG, FCR, and flock uniformity in LPS-challenged birds. On day 24, spleen weight increased while bursa weight decreased in the NC group relative to the PC group; this effect was reversed (P < 0.05) by feeding all yeasts and antibiotics. On day 24, application of all the dietary treatments ameliorated the changes observed in white blood cell, lymphocyte and monocyte counts as well as albumin and immunoglobulin G of NC birds. On day 35, all yeasts additives, ZNB and SAL improved (P < 0.05) the meat yield of broilers challenged with LPS. In conclusion, supplementation of diets with yeast and its derivatives can ameliorate the negative effects of salmonella LPS challenge on broiler chicks, thus improving the performance, flock uniformity, and meat yield.
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Affiliation(s)
- E U Ahiwe
- School of Environmental and Rural Sciences, University of New England, Armidale NSW 2351 Australia.,Department of Animal Science and Technology, Federal University of Technology, Owerri PMB 1526, Imo State, Nigeria
| | - M E Abdallh
- School of Environmental and Rural Sciences, University of New England, Armidale NSW 2351 Australia.,Department of Poultry Production, University of Khartoum, Khartoum 13314, Sudan
| | - E P Chang'a
- School of Environmental and Rural Sciences, University of New England, Armidale NSW 2351 Australia.,Tanzania Livestock Research Institute (TALIRI), P. O. Box 352, Mwanza, Tanzania
| | - M Al-Qahtani
- School of Environmental and Rural Sciences, University of New England, Armidale NSW 2351 Australia
| | - A A Omede
- School of Environmental and Rural Sciences, University of New England, Armidale NSW 2351 Australia.,Department of Animal Production, Kogi State University, Anyigba PMB 1008, Kogi State, Nigeria
| | - H Graham
- AB Vista UK, Marlborough, Wiltshire SN8 4AN, UK
| | - P A Iji
- School of Environmental and Rural Sciences, University of New England, Armidale NSW 2351 Australia.,College of Agriculture, Fisheries and Forestry, Fiji National University, Koronivia 1544, Fiji
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15
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Li RF, Liu SP, Yuan ZH, Yi JE, Tian YN, Wu J, Wen LX. Effects of induced stress from the live LaSota Newcastle disease vaccination on the growth performance and immune function in broiler chickens. Poult Sci 2020; 99:1896-1905. [PMID: 32241469 DOI: 10.1016/j.psj.2019.12.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
This study was conducted to assess the growth performance and immunological effects of vaccination-induced stress on broilers. The chickens were administered 0, 2, 4, 8, and 16 doses of live LaSota Newcastle disease (ND) vaccine and slaughtered on the 1st, 7th, 14th, and 21st day post vaccination. The results showed that the serum antibody titers after Newcastle disease virus (NDV) vaccination were elevated at day 7 post vaccination, peaked at day 14, then declined by day 21. Interestingly, the antibody titers peaked at 2 doses, and no further dose-dependent titer increases were observed. This study demonstrated that vaccination-induced stress increased serum adrenocorticotropic hormone and cortisol, affected growth performance (average daily gain, average daily feed intake, and feed conversion ratio), and triggered apoptosis in spleen lymphocytes by downregulating the ratio of Bcl-2 to BAX and upregulating the gene expressions of caspase-3 and -9, which was concordant with the activation of the enzymatic activities of caspase-3 and -9. This study suggests that NDV vaccine doses in broilers must be controlled judiciously because increasing the number of doses resulted in increased lymphocyte apoptosis while the peak of the antibody titer and optimal growth performance were achieved at a low number of doses (2 doses).
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Affiliation(s)
- R F Li
- College of Veterinary Medicine, Hunan Agriculture University, 410128 Changsha, China
| | - S P Liu
- College of Veterinary Medicine, Hunan Agriculture University, 410128 Changsha, China
| | - Z H Yuan
- College of Veterinary Medicine, Hunan Agriculture University, 410128 Changsha, China
| | - J E Yi
- College of Veterinary Medicine, Hunan Agriculture University, 410128 Changsha, China
| | - Y N Tian
- Department of Veterinary Physiology and Pharmacology, College of Veterinary Medicine, Texas A&M University, College Station, TX 77843
| | - J Wu
- College of Veterinary Medicine, Hunan Agriculture University, 410128 Changsha, China.
| | - L X Wen
- College of Veterinary Medicine, Hunan Agriculture University, 410128 Changsha, China.
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16
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Chamanza R, van Veen L, Tivapasi MT, Toussaint MJM. Acute phase proteins in the domestic fowl. WORLD POULTRY SCI J 2019. [DOI: 10.1079/wps19990005] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- R. Chamanza
- Department of Pathology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3508TD Utrecht, The Netherlands
- Department of Clinical Veterinary Studies, Faculty of Veterinary Science, University of Zimbabwe, P.O. Box MP 167, Mount Pleasant, Harare, Zimbabwe
| | - L. van Veen
- Poultry Health Section, Institute of Animal Health, Deventer, The Netherlands
| | - M. T. Tivapasi
- Department of Pathology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3508TD Utrecht, The Netherlands
- Department of Clinical Veterinary Studies, Faculty of Veterinary Science, University of Zimbabwe, P.O. Box MP 167, Mount Pleasant, Harare, Zimbabwe
| | - M. J. M. Toussaint
- Department of Pathology, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3508TD Utrecht, The Netherlands
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17
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Humphrey B, Klasing K. Modulation of nutrient metabolism and homeostasis by the immune system. WORLD POULTRY SCI J 2019. [DOI: 10.1079/wps20037] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- B.D. Humphrey
- Department of Animal Science, University of California, 1 Shields Ave., Davis, CA, USA
| | - K.C. Klasing
- Department of Animal Science, University of California, 1 Shields Ave., Davis, CA, USA
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18
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Omid K, Amirali S, Ahmad K. N-Acetyl cysteine improves performance, reproduction, antioxidant status, immunity and maternal antibody transmission in breeder Japanese quail under heat stress condition. Livest Sci 2018. [DOI: 10.1016/j.livsci.2018.09.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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19
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Bortoluzzi C, Rochell SJ, Applegate TJ. Threonine, arginine, and glutamine: Influences on intestinal physiology, immunology, and microbiology in broilers. Poult Sci 2018; 97:937-945. [DOI: 10.3382/ps/pex394] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 11/17/2017] [Indexed: 12/26/2022] Open
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20
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Kumari A, Parida AK, Rangani J, Panda A. Antioxidant Activities, Metabolic Profiling, Proximate Analysis, Mineral Nutrient Composition of Salvadora persica Fruit Unravel a Potential Functional Food and a Natural Source of Pharmaceuticals. Front Pharmacol 2017; 8:61. [PMID: 28261096 PMCID: PMC5306401 DOI: 10.3389/fphar.2017.00061] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 01/30/2017] [Indexed: 12/17/2022] Open
Abstract
Salvadora persica is a medicinally important plant mainly used in oral hygiene. However, little attention has been given towards the nutritional prominence of this plant. This study encloses the proximate and mineral nutrient contents, amino acid composition, metabolite profiling and antioxidant potential of S. persica fruit. The ripen fruit contained substantial amount of sugars, mineral nutrients, carotenoids, polyphenols and flavonoids. The metabolic profiling of the fruit extract by GC-MS revealed a total of 22 metabolites comprising of sugars, sugar alcohols, organic acids, organic base, and aromatic silica compound. The identified metabolites have been previously reported to have potential antioxidant, antimicrobial, anti-hyperglycemic, and antitumor properties. The GC-MS analysis indicated high glucose and glucopyranose (247.62 and 42.90 mg g-1 FW respectively) contents in fruit of S. persica. The fruit extract demonstrated a significantly higher antioxidant and ROS scavenging properties along with high contents of mineral nutrients and essential amino acids. HPLC analysis revealed presence of essential and non-essential amino acid required for healthy body metabolism. The cysteine was found to be in highest amount (733.69 mg 100 g-1 DW) among all amino acids quantified. Specifically, compared to similar medicinal plants, previously reported as a source of non-conventional food and with some of the commercially important fruits, S. persica fruit appears to be a potential source of essential mineral nutrients, amino acids, vitamins (ascorbic acid and carotenoid) and pharmaceutically important metabolites contributing towards fulfilling the recommended daily requirement of these for a healthy human being. This is the first report establishing importance of S. persica fruit as nutraceuticals. The data presented here proposed that fruit of S. persica may be used as functional food or reinvigorating ingredient for processed food to reduce deficiency of nutrients among the vulnerable population group. The phytochemicals identified from S. persica fruit may be used as natural source for pharmaceutical preparations.
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Affiliation(s)
- Asha Kumari
- Division of Plant Omics, Council of Scientific and Industrial Research – Central Salt and Marine Chemicals Research InstituteBhavnagar, India
- Academy of Scientific and Innovative Research, Council of Scientific and Industrial Research – Central Salt and Marine Chemicals Research InstituteBhavnagar, India
| | - Asish K. Parida
- Division of Plant Omics, Council of Scientific and Industrial Research – Central Salt and Marine Chemicals Research InstituteBhavnagar, India
- Academy of Scientific and Innovative Research, Council of Scientific and Industrial Research – Central Salt and Marine Chemicals Research InstituteBhavnagar, India
| | - Jaykumar Rangani
- Division of Plant Omics, Council of Scientific and Industrial Research – Central Salt and Marine Chemicals Research InstituteBhavnagar, India
- Academy of Scientific and Innovative Research, Council of Scientific and Industrial Research – Central Salt and Marine Chemicals Research InstituteBhavnagar, India
| | - Ashok Panda
- Division of Plant Omics, Council of Scientific and Industrial Research – Central Salt and Marine Chemicals Research InstituteBhavnagar, India
- Academy of Scientific and Innovative Research, Council of Scientific and Industrial Research – Central Salt and Marine Chemicals Research InstituteBhavnagar, India
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Wang W, Li Z, Ren W, Yue Y, Guo Y. Effects of live yeast supplementation on lipopolysaccharide-induced inflammatory responses in broilers. Poult Sci 2016; 95:2557-2564. [DOI: 10.3382/ps/pew191] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/16/2016] [Indexed: 11/20/2022] Open
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22
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Mahdavi A, Shivazad M, Alemi F, Zaghari M, Moravej H, Darabighane B. Digestible lysine requirement of broilers based on practical diet. ITALIAN JOURNAL OF ANIMAL SCIENCE 2016. [DOI: 10.4081/ijas.2012.e13] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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23
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Li Y, Zhang H, Chen Y, Yang M, Zhang L, Lu Z, Zhou Y, Wang T. Bacillus amyloliquefaciens supplementation alleviates immunological stress and intestinal damage in lipopolysaccharide-challenged broilers. Anim Feed Sci Technol 2015. [DOI: 10.1016/j.anifeedsci.2015.07.001] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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24
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Li Y, Zhang H, Chen YP, Yang MX, Zhang LL, Lu ZX, Zhou YM, Wang T. Bacillus amyloliquefaciens supplementation alleviates immunological stress in lipopolysaccharide-challenged broilers at early age. Poult Sci 2015; 94:1504-11. [PMID: 26009750 DOI: 10.3382/ps/pev124] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/22/2015] [Indexed: 12/18/2022] Open
Abstract
This study was conducted to investigate the effect of Bacillus amyloliquefaciens ( BA: ) on the immune function of broilers challenged with lipopolysaccharide ( LPS: ). 192 one-day-old male Arbor Acre broiler chickens were randomly distributed into four treatments: 1) broilers fed a basal diet; 2) broilers fed a basal diet supplemented with BA; 3) LPS-challenged broilers fed a basal diet; and 4) LPS-challenged broilers fed a basal diet supplemented with BA. Each treatment consisted of six replicates with eight broilers per replicate. Broilers were intraperitoneally injected with either 500 μg LPS per kg body weight or sterile saline at 16, 18 and 20 d of age. LPS decreased the average daily gain ( ADG: , P = 0.001) and average daily feed intake (P = 0.001). The decreased ADG (P = 0.009) and increased feed conversion ratio (P = 0.047) in LPS-challenged broilers were alleviated by BA. LPS increased the relative spleen weight (P = 0.001). Relative spleen (P = 0.014) and bursa (P = 0.024) weights in the LPS-challenged broilers were reduced by BA. LPS increased white blood cell ( WBC: ) numbers (P = 0.001). However, the WBC numbers (P = 0.042) and the ratio of lymphocytes to WBC (P = 0.020) in LPS-challenged broilers were decreased with BA treatment. LPS decreased plasma lysozyme activity (P = 0.001), but increased concentrations of plasma corticosterone (P = 0.012) and IL-2 (P = 0.020). In contrast, BA increased lysozyme activity in plasma (P = 0.040). LPS increased mRNA abundances of splenic toll-like receptor 4 (P = 0.046), interferon γ (P = 0.008), IL-1β (P = 0.045) and IL-6, (P = 0.006). IL-2 (P = 0.014) and IL-6 (P = 0.074) mRNA abundances in LPS-challenged broilers were reduced by BA, although BA had an opposite effect for IL-10 mRNA expression in those broilers (P = 0.004). In conclusion, BA supplementation could partially alleviate the compromised growth performance and immune status of broilers under immune stress induced by LPS challenge at early age.
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Affiliation(s)
- Y Li
- College of Animal Science & Technology
| | - H Zhang
- College of Animal Science & Technology
| | - Y P Chen
- College of Animal Science & Technology
| | - M X Yang
- College of Animal Science & Technology
| | - L L Zhang
- College of Animal Science & Technology
| | - Z X Lu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing Jiangsu, China, 210095
| | - Y M Zhou
- College of Animal Science & Technology
| | - T Wang
- College of Animal Science & Technology
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25
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Peebles E, Jacob R, Branton S, Gerard P. Effects of Mycoplasma gallisepticum vaccination on serum α1-acid glycoprotein concentrations in commercial layer chickens. Poult Sci 2014; 93:1396-402. [DOI: 10.3382/ps.2014-03906] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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26
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Babu US, Raybourne RB. Impact of dietary components on chicken immune system andSalmonellainfection. Expert Rev Anti Infect Ther 2014; 6:121-35. [DOI: 10.1586/14787210.6.1.121] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Reevaluation of Methionine Requirement Based on Performance and Immune Responses in Broiler Breeder Hens. J Poult Sci 2012. [DOI: 10.2141/jpsa.011021] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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28
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Meriwether LS, Humphrey BD, Peterson DG, Klasing KC, Koutsos EA. Lutein exposure, in ovo or in the diet, reduces parameters of inflammation in the liver and spleen laying-type chicks (Gallus gallus domesticus). J Anim Physiol Anim Nutr (Berl) 2010; 94:e115-22. [PMID: 20546071 DOI: 10.1111/j.1439-0396.2010.00990.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
These trials examined whether the demonstrated effects of embryonic and dietary carotenoid exposure on the inflammatory immune response in fast growing chickens also occur in slow growing chickens. The systemic and local inflammatory responses of chicks were examined in two experiments with two in ovo lutein levels (C+, carotenoid replete; or C-, carotenoid-deplete), two dietary lutein levels (0 or 40 mg lutein/kg diet), and two inflammatory challenges [no exposure or lipopolysaccharide (LPS)-vaccinated]. At 24 h after LPS vaccination, spleen weight was not affected by diet or in ovo lutein, but liver weight increased from C+ eggs (p < 0.01), and in LPS-vaccinated chicks fed 0 mg lutein (p < 0.05), but not in chicks fed 40 mg lutein. Plasma carotenoids and liver carotenoids were reduced post-LPS (p < 0.05). Splenic IL-6 mRNA abundance was the greatest post-LPS in C- chicks fed 40 mg lutein vs. C+ chicks fed 40 mg lutein (p < 0.05). Hepatic IL-6, iNOS and TGFβ and splenic iNOS and TGFβ were not affected by in ovo or dietary lutein. The systemic and local inflammatory results are similar to those observed in fast growing chickens, and support that lutein-depleted birds have greater inflammatory responses.
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Affiliation(s)
- L S Meriwether
- Animal Science Department, California Polytechnic State University, San Luis Obispo, CA, USA
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Zhang L, Guo Y. Effects of Liquid dl-2-Hydroxy-4-Methylthio Butanoic Acid on Growth Performance and Immune Responses in Broiler Chickens. Poult Sci 2008; 87:1370-6. [DOI: 10.3382/ps.2007-00366] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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31
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Rubin LL, Canal CW, Ribeiro ALM, Kessler A, Silva I, Trevizan L, Viola T, Raber M, Gonçalves TA, Krás R. Effects of methionine and arginine dietary levels on the immunity of broiler chickens submitted to immunological stimuli. BRAZILIAN JOURNAL OF POULTRY SCIENCE 2007. [DOI: 10.1590/s1516-635x2007000400006] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- LL Rubin
- Universidade Federal do Rio Grande do Sul
| | - CW Canal
- Universidade Federal do Rio Grande do Sul
| | - ALM Ribeiro
- Universidade Federal do Rio Grande do Sul; Universidade Federal do Rio Grande do Sul
| | - A Kessler
- Universidade Federal do Rio Grande do Sul
| | - I Silva
- Universidade Federal do Rio Grande do Sul
| | - L Trevizan
- Universidade Federal do Rio Grande do Sul
| | - T Viola
- Universidade Federal do Rio Grande do Sul
| | - M Raber
- Universidade Federal do Rio Grande do Sul
| | | | - R Krás
- Universidade Federal do Rio Grande do Sul
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Hayashi T, Hasegawa K, Sasaki Y, Sagawa Y, Oka T, Fujii A, Hashiguchi K, Ueno S, Nagano M. Amelioration of late asthmatic bronchial-bronchiolar lesions in BALB/c mice by kurozu moromi powder. FOOD AGR IMMUNOL 2007. [DOI: 10.1080/09540100600927137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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34
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HAYASHI T, HASEGAWA K, SASAKI Y, SAGAWA Y, OKA T, FUJII A, HASHIGUCHI K, UENO S, NAGANO M. Reduction of Development of Late Allergic Eosinophilic Rhinitis by <I>Kurozu Moromi </I>Powder in BALB/c Mice. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2007. [DOI: 10.3136/fstr.13.385] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Toshiharu HAYASHI
- Laboratory of Veterinary Pathology, Faculty of Agriculture, Yamaguchi University
| | - Keiko HASEGAWA
- Laboratory of Veterinary Pathology, Faculty of Agriculture, Yamaguchi University
| | - Yuji SASAKI
- Laboratory of Veterinary Pathology, Faculty of Agriculture, Yamaguchi University
| | - Yuka SAGAWA
- Laboratory of Veterinary Pathology, Faculty of Agriculture, Yamaguchi University
| | - Tatsuzou OKA
- Laboratory of Veterinary Physiology, Faculty of Agriculture, Kagoshima University
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Koutsos EA, García López JC, Klasing KC. Carotenoids from in ovo or dietary sources blunt systemic indices of the inflammatory response in growing chicks (Gallus gallus domesticus). J Nutr 2006; 136:1027-31. [PMID: 16549469 DOI: 10.1093/jn/136.4.1027] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Lutein, a dihydroxycarotenoid, has antioxidant and immunomodulatory potential. Two 2 x 2 x 2 factorial designs examined effects of carotenoids during in ovo embryogenesis and, in the diet posthatch, on the systemic inflammatory response to lipopolysaccharide (LPS). In both trials, breeder hens were fed a carotenoid-replete (40 mg lutein/kg) or a carotenoid-deplete diet, eggs were collected, and chicks were hatched from carotenoid-deplete or carotenoid-replete eggs. Meat-type chicks (n = 160 and n = 144, respectively) were then fed diets containing 0 or 40 mg lutein/kg diet and either injected or not injected with LPS. LPS injection increased plasma haptoglobin and Zn (P < 0.01) and reduced plasma Fe and Cu (P < 0.01). Chicks hatched from carotenoid-deplete eggs had greater changes in plasma Fe and S post-LPS than chicks hatched from carotenoid-replete eggs (P < 0.05 for each). Compared with chicks fed 40 mg lutein/kg diet, chicks fed 0 mg lutein had greater body weight losses and higher plasma haptoglobin and relative thymus, bursa, and spleen weights post-LPS (P < 0.05). Data suggest that a lack of carotenoid exposure, either in ovo or posthatch, increases parameters of systemic inflammation.
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Affiliation(s)
- Elizabeth A Koutsos
- Department of Animal Science, California Polytechnic State University, San Luis Obispo, CA 93407, USA.
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36
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Gruys E, Toussaint MJM, Niewold TA, Koopmans SJ. Acute phase reaction and acute phase proteins. J Zhejiang Univ Sci B 2006; 6:1045-56. [PMID: 16252337 PMCID: PMC1390650 DOI: 10.1631/jzus.2005.b1045] [Citation(s) in RCA: 642] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A review of the systemic acute phase reaction with major cytokines involved, and the hepatic metabolic changes, negative and positive acute phase proteins (APPs) with function and associated pathology is given. It appears that APPs represent appropriate analytes for assessment of animal health. Whereas they represent non-specific markers as biological effect reactants, they can be used for assessing nutritional deficits and reactive processes, especially when positive and negative acute phase variables are combined in an index. When such acute phase index is applied to separate healthy animals from animals with some disease, much better results are obtained than with single analytes and statistically acceptable results for culling individual animals may be reached. Unfortunately at present no cheap, comprehensive and easy to use system is available for assessing various acute phase proteins in serum or blood samples at the same time. Protein microarray or fluid phase microchip technology may satisfy this need; and permit simultaneous analysis of numerous analytes in the same small volume sample and enable integration of information derived from systemic reactivity and nutrition with disease specific variables. Applying such technology may help to solve health problems in various countries not only in animal husbandry but also in human populations.
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Affiliation(s)
- E Gruys
- Department of Pathobiology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands.
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Abstract
Selection for immune function in the commercial breeding environment is a challenging proposition for commercial breeding companies. Immune response is only one of many traits that are under intensive selection, thus selection pressure needs to be carefully balanced across multiple traits. The selection environment (single bird cages, biosecure facilities, controlled environment) is a very different environment than the commercial production facilities (multiple bird cages, potential disease exposure, variable environment) in which birds are to produce. The testing of individual birds is difficult, time consuming, and expensive. It is essential that the results of any tests be relevant to actual disease or environmental challenge in the commercial environment. The use of genetic markers as indicators of immune function is being explored by breeding companies. Use of genetic markers would eliminate many of the limitations in enhancing immune function currently encountered by commercial breeding companies. Information on genetic markers would allow selection to proceed without subjecting breeding stock to disease conditions and could be done before production traits are measured. These markers could be candidate genes with known interaction or involvement with disease pathology or DNA markers that are closely linked to genetic regions that influence the immune response. The current major limitation to this approach is the paucity of mapped chicken immune response genes and the limited number of DNA markers mapped on the chicken genome. These limitations should be eliminated once the chicken genome is sequenced.
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Affiliation(s)
- J E Fulton
- Hy-Line International, Dallas Center, Iowa 50063, USA.
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Houdijk JG, Jessop NS, Kyriazakis I. Nutrient partitioning between reproductive and immune functions in animals. Proc Nutr Soc 2001; 60:515-25. [PMID: 12069405 DOI: 10.1079/pns2001114] [Citation(s) in RCA: 94] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The physiological processes that underlie the reproductive cycle impose considerable metabolisable protein (MP) demands on a female, especially during the periparturient period. When MP supply falls short of MP demand (i.e. MP becomes scarce), certain, if not all, bodily functions are expected to be penalised. It has been proposed that partitioning of scarce MP is prioritised to reproductive rather than to immune functions. In other words, at times of MP scarcity, the penalty on expression of immunity would be expected to be greater than that on reproduction. This hypothesis forms a nutritional basis for the occurrence of periparturient breakdown of immunity to parasites (BIP), which can be observed in many host-parasite systems. In the present review we explore this nutritional basis, using periparturient sheep infected with the abomasal nematode Teladorsagia circumcincta as an example, and attempt to quantify its occurrence. Evidence supporting the nutritional basis of periparturient BIP is reviewed, covering experiments in which nutrient supply (from both exogenous and endogenous sources) and/or nutrient demand were manipulated. Quantitatively, MP requirements for expression of immunity to T. circumcincta were estimated to be about 1 g/kg metabolic body weight (body weight 0.75) per d, approximately 5% of the maximum MP requirements of periparturient sheep. The major component of this requirement was assumed to be for replenishing irreversible plasma protein losses into the gastrointestinal tract. Although confirmation of this estimate is required, such estimates may be used to improve the known MP requirements of periparturient animals, enabling the extent and the consequences of periparturient BIP to be minimised.
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Affiliation(s)
- J G Houdijk
- Animal Nutrition and Health Department, Scottish Agricultural College, Edinburgh, UK.
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Potential of Nutrition in the Control of Growth and Meat Quality in Broilers. J Poult Sci 2001. [DOI: 10.2141/jpsa.38.67] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Takahashi K, Orihashi M, Akiba Y. Dietary L-arginine level alters plasma nitric oxide and apha-1 acid glycoprotein concentrations, and splenocyte proliferation in male broiler chickens following Escherichia coli lipopolysaccharide injection. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART C, PHARMACOLOGY, TOXICOLOGY & ENDOCRINOLOGY 1999; 124:309-14. [PMID: 10661724 DOI: 10.1016/s0742-8413(99)00078-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Experiments were conducted to determine the effect of dietary arginine (Arg) on nitric oxide (NO) production following injection with Escherichia coli lipopolysaccharide (LPS) and splenocyte proliferative response to concanavalin A in broilers. Birds were fed experimental diets containing Arg at levels of 6.5, 14.4 or 24.4 g/kg diet in experiment 1, and 6.5, 14.4 or 19.3 g/kg diet in experiment 2, respectively, for 7 days and were then intraperitoneally injected with LPS (2 mg/kg body weight) after 16 h fasting. Maximum NO production estimated by plasma nitrite concentration was observed 6 or 10 h after LPS injection in all Arg groups. Dietary Arg level and/or intake were positively associated with NO production. NO production at 6 or 10 h after LPS injection coincided with changes in plasma alpha-1 acid glycoprotein concentration, an acute phase substance, at 10 or 24 h post-LPS injection. Splenocyte proliferation in chicks fed on Arg-sufficient (14.4 g/kg) diet was greater that that in chicks fed Arg-deficient or -excess diets. The results suggest that dietary Arg level and/or intake proportionally affect NO production, and acute phase inflammatory responses following LPS injection, and that marginal deficiency or excess of dietary Arg might reduce splenocyte proliferative responses.
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Affiliation(s)
- K Takahashi
- Department of Animal Science, Faculty of Agriculture, Tohoku University, Sendai-shi, Japan.
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