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González F, Carelli A, Komarcheuski A, Uana M, do Prado RM, Rossoni D, Gomes M, Vasconcellos R. Yeast Cell Wall Compounds on The Formation of Fermentation Products and Fecal Microbiota in Cats: An In Vivo and In Vitro Approach. Animals (Basel) 2023; 13:637. [PMID: 36830424 PMCID: PMC9951743 DOI: 10.3390/ani13040637] [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: 11/30/2022] [Revised: 12/28/2022] [Accepted: 12/28/2022] [Indexed: 02/15/2023] Open
Abstract
The effects of yeast cell wall compounds (YCWs) being added to cat food on hindgut fermentation metabolites and fecal microbiota were assessed in in vivo Experiment 1 (Exp. 1) and in vitro Experiments 2 and 3 (Exp. 2 and 3). In Exp. 1, the cats' diets were supplemented with two dietary concentrations (46.2 and 92.4 ppm) of YCWs (YCW-15 and YCW-30, respectively), and a negative control diet with no compound in three groups (six cats per group) was used to assess the fecal score, pH, digestibility, fermentation products, and microbiota. In Exp. 2, feces from the cats that were not supplemented with YCWs (control) were used as an inoculum. A blend of pectin, amino acids, and cellulose was used as a substrate, and the YCW compound was added at two levels (5 and 10 mg). In Exp. 3, feces from cats fed YCWs were used as an inoculum to test three different substrates (pectin, amino acids, and cellulose). In Exp. 2 and 3, the gas production, pH, and fermentation products (ammonia, SCFAs, and BCFAs) were assessed. YCW-30 resulted in a higher digestibility coefficient of the crude protein, organic matter (OM) (p < 0.05), and energy of the diet (p < 0.10). Regarding the fermentation products, YCW-15 showed a trend toward higher concentrations of propionate, acetate, lactate, ammonia, isobutyrate, and valerate, while YCW-30 showed a trend (p < 0.10) toward higher levels of butyrate and pH values. The bacteroidia class and the genus Prevotella were increased by using YCW-30 and the control. At the gender level, decreased (p < 0.01) Megasphaera was observed with YCW inclusion. The microbiota differed (p < 0.01) among the groups in their Shannon indexes. For beta diversity, YCW-30 showed higher indexes (p = 0.008) than the control. The microbiota metabolic profile differed in the pathway CENTFERM-PWY; it was more expressed in YCW-30 compared to the control. In Exp. 2, the YCWs showed a higher ratio (p = 0.006) of the fermentation products in the treatments with additives with a trend towards a high dose of the additive (10 mg). In Exp. 3, the effects of the substrates (p < 0.001), but not of the YCWs, on the fermentation products were observed, perhaps due to the low dietary concentrations we used. However, the marked responses of the fermentation products to the substrates validated the methodology. We could conclude that the YCWs, even at low dietary concentrations, affected fecal SCFA production, reduced the fecal pH, and modulated the fecal microbiota in the cats. These responses were more pronounced under in vitro conditions.
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Affiliation(s)
- Fernando González
- Department of Internal Medicine, College of Veterinary Medicine and Animal Science, University of São Paulo (USP)—São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, São Paulo 13690-970, Brazil
| | - Amanda Carelli
- Department of Animal Science, State University of Maringá, Maringá, Av. Colombo, 5790, Maringá 87020-900, Brazil
| | - Alina Komarcheuski
- Department of Animal Science, State University of Maringá, Maringá, Av. Colombo, 5790, Maringá 87020-900, Brazil
| | - Mayara Uana
- Department of Animal Science, State University of Maringá, Maringá, Av. Colombo, 5790, Maringá 87020-900, Brazil
| | - Rodolpho Martin do Prado
- Department of Animal Science, State University of Maringá, Maringá, Av. Colombo, 5790, Maringá 87020-900, Brazil
| | - Diogo Rossoni
- Department of Animal Science, State University of Maringá, Maringá, Av. Colombo, 5790, Maringá 87020-900, Brazil
| | - Márcia Gomes
- Department of Internal Medicine, College of Veterinary Medicine and Animal Science, University of São Paulo (USP)—São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, São Paulo 13690-970, Brazil
| | - Ricardo Vasconcellos
- Department of Animal Science, State University of Maringá, Maringá, Av. Colombo, 5790, Maringá 87020-900, Brazil
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Bill Kaelle GC, Menezes Souza CM, Bastos TS, Vasconcellos RS, Oliveira SGD, Félix AP. Diet digestibility and palatability and intestinal fermentative products in dogs fed yeast extract. ITALIAN JOURNAL OF ANIMAL SCIENCE 2022. [DOI: 10.1080/1828051x.2022.2054733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | | | - Taís Silvino Bastos
- Department of Animal Science, Federal University of Paraná, Curitiba, Brazil
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Lu ZY, Feng L, Jiang WD, Wu P, Liu Y, Jin XW, Ren HM, Kuang SY, Li SW, Tang L, Zhang L, Mi HF, Zhou XQ. An Antioxidant Supplement Function Exploration: Rescue of Intestinal Structure Injury by Mannan Oligosaccharides after Aeromonas hydrophila Infection in Grass Carp ( Ctenopharyngodon idella). Antioxidants (Basel) 2022; 11:antiox11050806. [PMID: 35624670 PMCID: PMC9137958 DOI: 10.3390/antiox11050806] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/18/2022] [Accepted: 04/19/2022] [Indexed: 12/26/2022] Open
Abstract
Mannan oligosaccharides (MOS) are a type of functional oligosaccharide which have received increased attention because of their beneficial effects on fish intestinal health. However, intestinal structural integrity is a necessary prerequisite for intestinal health. This study focused on exploring the protective effects of dietary MOS supplementation on the grass carp’s (Ctenopharyngodon idella) intestinal structural integrity (including tight junction (TJ) and adherent junction (AJ)) and its related signalling molecule mechanism. A total of 540 grass carp (215.85 ± 0.30 g) were fed six diets containing graded levels of dietary MOS supplementation (0, 200, 400, 600, 800 and 1000 mg/kg) for 60 days. Subsequently, a challenge test was conducted by injection of Aeromonas hydrophila for 14 days. We used ELISA, spectrophotometry, transmission electron microscope, immunohistochemistry, qRT-PCR and Western blotting to determine the effect of dietary MOS supplementation on intestinal structural integrity and antioxidant capacity. The results revealed that dietary MOS supplementation protected the microvillus of the intestine; reduced serum diamine oxidase and d-lactate levels (p < 0.05); enhanced intestinal total antioxidant capacity (p < 0.01); up-regulated most intestinal TJ and AJ mRNA levels; and decreased GTP-RhoA protein levels (p < 0.01). In addition, we also found several interesting results suggesting that MOS supplementation has no effects on ZO-2 and Claudin-15b. Overall, these findings suggested that dietary MOS supplementation could protect intestinal ultrastructure, reduce intestinal mucosal permeability and maintain intestinal structural integrity via inhibiting MLCK and RhoA/ROCK signalling pathways.
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Affiliation(s)
- Zhi-Yuan Lu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (Z.-Y.L.); (L.F.); (W.-D.J.); (P.W.); (Y.L.); (X.-W.J.); (H.-M.R.)
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (Z.-Y.L.); (L.F.); (W.-D.J.); (P.W.); (Y.L.); (X.-W.J.); (H.-M.R.)
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (Z.-Y.L.); (L.F.); (W.-D.J.); (P.W.); (Y.L.); (X.-W.J.); (H.-M.R.)
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (Z.-Y.L.); (L.F.); (W.-D.J.); (P.W.); (Y.L.); (X.-W.J.); (H.-M.R.)
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (Z.-Y.L.); (L.F.); (W.-D.J.); (P.W.); (Y.L.); (X.-W.J.); (H.-M.R.)
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Xiao-Wan Jin
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (Z.-Y.L.); (L.F.); (W.-D.J.); (P.W.); (Y.L.); (X.-W.J.); (H.-M.R.)
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Hong-Mei Ren
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (Z.-Y.L.); (L.F.); (W.-D.J.); (P.W.); (Y.L.); (X.-W.J.); (H.-M.R.)
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
| | - Sheng-Yao Kuang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Sichuan Animtech Feed Co., Ltd., Chengdu 610066, China; (S.-Y.K.); (S.-W.L.); (L.T.)
| | - Shu-Wei Li
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Sichuan Animtech Feed Co., Ltd., Chengdu 610066, China; (S.-Y.K.); (S.-W.L.); (L.T.)
| | - Ling Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Sichuan Animtech Feed Co., Ltd., Chengdu 610066, China; (S.-Y.K.); (S.-W.L.); (L.T.)
| | - Lu Zhang
- Healthy Aquaculture Key Laboratory of Sichuan Province, Tongwei Co., Ltd., Chengdu 610041, China; (L.Z.); (H.-F.M.)
| | - Hai-Feng Mi
- Healthy Aquaculture Key Laboratory of Sichuan Province, Tongwei Co., Ltd., Chengdu 610041, China; (L.Z.); (H.-F.M.)
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; (Z.-Y.L.); (L.F.); (W.-D.J.); (P.W.); (Y.L.); (X.-W.J.); (H.-M.R.)
- Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agricultural University, Chengdu 611130, China
- Correspondence:
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Fan X, Xiao X, Chen D, Yu B, He J, Yu J, Luo J, Luo Y, Wang J, Yan H, Mao X. Yucca schidigera extract decreases nitrogen emission via improving nutrient utilisation and gut barrier function in weaned piglets. J Anim Physiol Anim Nutr (Berl) 2021; 106:1036-1045. [PMID: 34668247 DOI: 10.1111/jpn.13647] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 08/02/2021] [Accepted: 09/21/2021] [Indexed: 11/30/2022]
Abstract
Yucca schidigera extract (YE) can decrease ammonia concentration in livestock housing, which could be associated with the inhibition of urease. The aim of this study was to investigate the other possible reasons of dietary YE supplementation reducing nitrogen emission in weaned piglets. A total of 14 crossbred weaned barrows were allotted into two groups fed the diets supplementing 0 and 120 mg/kg YE for 14 days. The YE administration decreased F/G ratio and hindgut NH3 -N production in weaned piglets (p < 0.05). Dietary YE supplementation decreased serum urea nitrogen levels, and increased nutrient digestibility, which could be related to the improvement of morphology, digestive and absorptive enzyme activities, and nutrient transporter mRNA expression in jejunal mucosa of weaned piglets (p < 0.05). The mRNA expression of tight junction proteins, mucins and apoptosis-related genes was also improved by YE treatment in jejunal mucosa of weaned piglets (p < 0.05). In addition, dietary YE supplementation regulated the microbiota structure and volatile fatty acid content in distal intestine of weaned piglets (p < 0.05). These results suggest that YE administration can decrease hindgut NH3 -N production in weaned piglets, which is associated with the increased nutrient utilization and gut-barrier function.
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Affiliation(s)
- Xiangqi Fan
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China, Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Xiangjun Xiao
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China, Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Daiwen Chen
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China, Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Bing Yu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China, Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Jun He
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China, Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Jie Yu
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China, Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Junqiu Luo
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China, Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Yuheng Luo
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China, Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Jianping Wang
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China, Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Hui Yan
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China, Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
| | - Xiangbing Mao
- Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Key laboratory of Animal Disease-resistant Nutrition and Feed of China, Ministry of Agriculture and Rural Affairs, Key laboratory of Animal Disease-resistant Nutrition of Sichuan Province, Institute of Animal Nutrition, Sichuan Agricultural University, Chengdu, China
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Oberbauer AM, Larsen JA. Amino Acids in Dog Nutrition and Health. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1285:199-216. [PMID: 33770408 DOI: 10.1007/978-3-030-54462-1_10] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The dog has assumed a prominent role in human society. Associated with that status, diet choices for companion dogs have begun to reflect the personal preferences of the owners, with greater emphasis on specialty diets such as organic, vegan/vegetarian, and omission or inclusion of specific ingredients. Despite consumer preferences and many marketing strategies employed, the diets must ensure nutritional adequacy for the dog; if not, health becomes compromised, sometimes severely. The most frequent consideration of consumers and dog food manufacturers is protein source and concentration with a growing emphasis on amino acid composition and bioavailability. Amino acids in general play diverse and critical roles in the dog, with specific amino acids being essential. This review covers what is known regarding amino acids in dog nutrition.
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Affiliation(s)
- Anita M Oberbauer
- Department of Animal Science, College of Agricultural and Environmental Sciences, University of California, Davis, CA, USA.
| | - Jennifer A Larsen
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California, Davis, CA, USA
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Vierbaum L, Eisenhauer L, Vahjen W, Zentek J. In vitro evaluation of the effects of Yucca schidigera and inulin on the fermentation potential of the faecal microbiota of dogs fed diets with low or high protein concentrations. Arch Anim Nutr 2019; 73:399-413. [PMID: 31137970 DOI: 10.1080/1745039x.2019.1616498] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
This in vitro study aimed to evaluate the effects of Yucca schidigera powder (YSP) and inulin (IN) on protein fermentation metabolites (short-chain fatty acids [SCFA] and branched-chain fatty acids, phenolic and indolic compounds, biogenic amines, ammonia and pH) by using faecal inocula from dogs fed either a low (L) or a high (H) protein diet (crude protein 201 or 377 g/kg as fed). Four treatments for each diet were evaluated in an in vitro batch culture system over 24 h: (1) control with no addition of substrates; (2) 4 g YSP/l; (3) 5 g IN/l; (4) 4 g YSP/l in combination with 5 g IN/l of faecal culture of dogs fed Diet L or H. Several changes in fermentation metabolites were analysed. Samples incubated with the faecal inocula of dogs fed Diet L produced higher concentrations of total SCFA, propionate (p = 0.001), acetate (p ≤ 0.001), d-lactate (p = 0.041) and indole (p = 0.003), whereas pH (p = 0.004) was decreased. Supplementation of IN increased the content of putrescine, d- and l-lactate, total SCFA, acetate, propionate, n-butyrate (p ≤ 0.001) and n-valerate (p = 0.003), while i-valerate, indole and pH (p ≤ 0.001) were reduced. Ammonia was lower (p = 0.013) in samples with faecal inocula from dogs fed Diet H and further reduced by the addition of IN (p ≤ 0.001). Samples with faecal inocula from dogs fed Diet L had a fewer quotient of ammonia and total SCFA (p = 0.040). Supplementation of YSP (p = 0.021), IN (p ≤ 0.001) and YSP in combination with IN (p = 0.047) led to a higher reduction of the quotient of ammonia and total SCFA. In conclusion, dietary protein concentration and the supplementation of IN resulted in a stimulation of fermentation while YSP appeared to have only minor effects.
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Affiliation(s)
| | - Laura Eisenhauer
- b Department of Veterinary Medicine, Institute of Animal Nutrition, Freie Universität Berlin , Berlin , Germany
| | - Wilfried Vahjen
- b Department of Veterinary Medicine, Institute of Animal Nutrition, Freie Universität Berlin , Berlin , Germany
| | - Jürgen Zentek
- b Department of Veterinary Medicine, Institute of Animal Nutrition, Freie Universität Berlin , Berlin , Germany
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