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Liu S, Du M, Sun J, Tu Y, Gu X, Cai P, Lu Z, Wang Y, Shan T. Bacillus subtilis and Enterococcus faecium co-fermented feed alters antioxidant capacity, muscle fibre characteristics and lipid profiles of finishing pigs. Br J Nutr 2024; 131:1298-1307. [PMID: 38098370 DOI: 10.1017/s000711452300291x] [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] [Indexed: 01/09/2024]
Abstract
This study aimed to assess how Bacillus subtilis and Enterococcus faecium co-fermented feed (FF) affects the antioxidant capacity, muscle fibre types and muscle lipid profiles of finishing pigs. In this study, a total of 144 Duroc × Berkshire × Jiaxing Black finishing pigs were randomly assigned into three groups with four replicates (twelve pigs per replication). The three treatments were a basal diet (0 % FF), basal diet + 5 % FF and basal diet + 10 % FF, respectively. The experiment lasted 38 d after 4 d of acclimation. The study revealed that 10 % FF significantly increased the activity of superoxide dismutase (SOD) and catalase (CAT) compared with 0 % FF group, with mRNA levels of up-regulated antioxidant-related genes (GPX1, SOD1, SOD2 and CAT) in 10 % FF group. 10 % FF also significantly up-regulated the percentage of slow-twitch fibre and the mRNA expression of MyHC I, MyHC IIa and MyHC IIx, and slow MyHC protein expression while reducing MyHC IIb mRNA expression. Lipidomics analysis showed that 5 % FF and 10 % FF altered lipid profiles in longissimus thoracis. 10 % FF particularly led to an increase in the percentage of TAG. The Pearson correlation analysis indicated that certain molecular markers such as phosphatidic acid (PA) (49:4), Hex2Cer (d50:6), cardiolipin (CL) (72:8) and phosphatidylcholine (PC) (33:0e) could be used to indicate the characteristics of muscle fibres and were closely related to meat quality. Together, our findings suggest that 10 % FF improved antioxidant capacity, enhanced slow-twitch fibre percentage and altered muscle lipid profiles in finishing pigs.
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Affiliation(s)
- Shiqi Liu
- College of Animal Sciences, Zhejiang University, Hangzhou, People's Republic of China
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, People's Republic of China
- Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, People's Republic of China
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, People's Republic of China
| | - Man Du
- College of Animal Sciences, Zhejiang University, Hangzhou, People's Republic of China
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, People's Republic of China
- Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, People's Republic of China
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, People's Republic of China
| | - Jiabao Sun
- College of Animal Sciences, Zhejiang University, Hangzhou, People's Republic of China
| | - Yuang Tu
- College of Animal Sciences, Zhejiang University, Hangzhou, People's Republic of China
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, People's Republic of China
- Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, People's Republic of China
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, People's Republic of China
| | - Xin Gu
- College of Animal Sciences, Zhejiang University, Hangzhou, People's Republic of China
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, People's Republic of China
- Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, People's Republic of China
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, People's Republic of China
| | - Peiran Cai
- College of Animal Sciences, Zhejiang University, Hangzhou, People's Republic of China
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, People's Republic of China
- Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, People's Republic of China
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, People's Republic of China
| | - Zeqing Lu
- College of Animal Sciences, Zhejiang University, Hangzhou, People's Republic of China
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, People's Republic of China
- Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, People's Republic of China
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, People's Republic of China
| | - Yizhen Wang
- College of Animal Sciences, Zhejiang University, Hangzhou, People's Republic of China
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, People's Republic of China
- Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, People's Republic of China
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, People's Republic of China
| | - Tizhong Shan
- College of Animal Sciences, Zhejiang University, Hangzhou, People's Republic of China
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, People's Republic of China
- Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, People's Republic of China
- Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, People's Republic of China
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Liu J, Wang K, Zhao L, Li Y, Li Z, Li C. Investigation of supplementation with a combination of fermented bean dregs and wheat bran for improving the growth performance of the sow. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2024; 66:295-309. [PMID: 38628686 PMCID: PMC11016735 DOI: 10.5187/jast.2023.e13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/06/2023] [Accepted: 01/17/2023] [Indexed: 04/19/2024]
Abstract
To investigate the effect of dietary supplementation with a fermented mixture of bean dregs and wheat bran (FBW) on sow performance. FBW was given to sows during late gestation and lactation; in total, 24 sows were randomly assigned to 4 groups (control diet; 3% FBW diet; 6% FBW diet; 9% FBW diet, n = 6). The weight ratio of bean dregs (wet) to wheat bran was 4:6. Sows were fed different diets from 85 d of gestation until weaning. The results showed that supplementation with FBW increased average daily feed intake (ADFI) during lactation (p < 0.05). FBW supplementation also increased litter weight and milk yield (p < 0.05). The contents of Escherichia coli in the feces of the treatment groups were significantly reduced by FBW supplementation (p < 0.01). FBW supplementation significantly improved the fecal morphology (p < 0.05), alleviating sows' constipation. In conclusion, FBW could increase the ADFI, improve lactation and piglet litter weight in sows and reduce the pathogenic bacterial content in sow feces and constipation.
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Affiliation(s)
- Junze Liu
- College of Animal Science and Technology,
Nanjing Agricultural University, Nanjing 210095, China
| | - Kai Wang
- College of Animal Science and Technology,
Nanjing Agricultural University, Nanjing 210095, China
| | - Liangyu Zhao
- College of Animal Science and Technology,
Nanjing Agricultural University, Nanjing 210095, China
| | - Yansen Li
- College of Animal Science and Technology,
Nanjing Agricultural University, Nanjing 210095, China
| | - Zhaojian Li
- College of Animal Science and Technology,
Nanjing Agricultural University, Nanjing 210095, China
| | - Chunmei Li
- College of Animal Science and Technology,
Nanjing Agricultural University, Nanjing 210095, China
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Zhang M, Yang Z, Wu G, Xu F, Zhang J, Luo X, Ma Y, Pang H, Duan Y, Chen J, Cai Y, Wang L, Tan Z. Effects of Probiotic-Fermented Feed on the Growth Profile, Immune Functions, and Intestinal Microbiota of Bamei Piglets. Animals (Basel) 2024; 14:647. [PMID: 38396614 PMCID: PMC10886304 DOI: 10.3390/ani14040647] [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: 01/24/2024] [Revised: 02/13/2024] [Accepted: 02/15/2024] [Indexed: 02/25/2024] Open
Abstract
Purebred Bamei piglets present problems, including slow growth, respiratory disease, and post-weaning stress. This study investigated the effects of Lactobacillus plantarum QP28-1- and Bacillus subtilis QB8-fermented feed supplementation on the growth performance, immunity, and intestinal microflora of Bamei piglets from Qinghai, China. A total of 48 purebred Bamei piglets (25 days; 6.8 ± 0.97 kg) were divided into the following four groups for a 28-day diet experiment: basal feed (CK); diet containing 10% Lactobacillus plantarum-fermented feed (L); diet containing 10% Bacillus subtilis-fermented feed (B); and diet containing a mixture of 5% Lactobacillus plantarum + 5% Bacillus subtilis-fermented feed (H). The daily weight gain and daily food intake of group H increased (p < 0.05), and the feed/weight gain ratios of the groups fed with fermented feed decreased more than that of the CK group. The levels of three immune factors, namely immunoglobulin (Ig)M, IgG, and interferon-γ, were higher (p < 0.05), whereas those of tumor necrosis factor-α, interleukin (IL)-1β, and IL-6 were lower (p < 0.05) in the fermented feed groups than in the CK group. Total protein was higher (p < 0.05), while urea nitrogen, total cholesterol and triglycerides were lower (p < 0.05) in the mixed-fermented feed group than in the CK group. Analysis of the gut microbiota showed that the addition of fermented feed increased the α-diversity of the gut microbiota, increasing the abundances of probiotics including Lactobacillus, Muribaculaceae, Ruminococcaceae, Prevotellaceae, and Rikenellaceae. Additionally, correlation analysis demonstrated that several of these probiotic bacteria were closely related to serum immunity. In conclusion, fermented feed supplementation rebuilt the intestinal microbiota of Bamei piglets, thereby reducing the feed/weight ratio, improving feed intake, and enhancing immunity.
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Affiliation(s)
- Miao Zhang
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (M.Z.); (Z.Y.); (H.P.); (Y.D.); (J.C.); (Y.C.)
| | - Zhenyu Yang
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (M.Z.); (Z.Y.); (H.P.); (Y.D.); (J.C.); (Y.C.)
| | - Guofang Wu
- Plateau Livestock Genetic Resources Protection and Innovative Utilization Key Laboratory of Qinghai Province, Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Qinghai Academy of Animal and Veterinary Medicine, Qinghai University, Xining 810016, China; (G.W.); (J.Z.); (X.L.); (Y.M.)
| | - Fafang Xu
- Bamei Pig Original Breeding Base of Huzhu County, Haidong 810600, China;
| | - Jianbo Zhang
- Plateau Livestock Genetic Resources Protection and Innovative Utilization Key Laboratory of Qinghai Province, Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Qinghai Academy of Animal and Veterinary Medicine, Qinghai University, Xining 810016, China; (G.W.); (J.Z.); (X.L.); (Y.M.)
| | - Xuan Luo
- Plateau Livestock Genetic Resources Protection and Innovative Utilization Key Laboratory of Qinghai Province, Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Qinghai Academy of Animal and Veterinary Medicine, Qinghai University, Xining 810016, China; (G.W.); (J.Z.); (X.L.); (Y.M.)
| | - Yuhong Ma
- Plateau Livestock Genetic Resources Protection and Innovative Utilization Key Laboratory of Qinghai Province, Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Qinghai Academy of Animal and Veterinary Medicine, Qinghai University, Xining 810016, China; (G.W.); (J.Z.); (X.L.); (Y.M.)
| | - Huili Pang
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (M.Z.); (Z.Y.); (H.P.); (Y.D.); (J.C.); (Y.C.)
| | - Yaoke Duan
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (M.Z.); (Z.Y.); (H.P.); (Y.D.); (J.C.); (Y.C.)
| | - Jun Chen
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (M.Z.); (Z.Y.); (H.P.); (Y.D.); (J.C.); (Y.C.)
| | - Yimin Cai
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (M.Z.); (Z.Y.); (H.P.); (Y.D.); (J.C.); (Y.C.)
- Japan International Research Center for Agricultural Sciences, Crop, Livestock and Environment Division, Tsukuba 305-8686, Japan
| | - Lei Wang
- Plateau Livestock Genetic Resources Protection and Innovative Utilization Key Laboratory of Qinghai Province, Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Qinghai Academy of Animal and Veterinary Medicine, Qinghai University, Xining 810016, China; (G.W.); (J.Z.); (X.L.); (Y.M.)
| | - Zhongfang Tan
- School of Agricultural Sciences, Zhengzhou University, Zhengzhou 450001, China; (M.Z.); (Z.Y.); (H.P.); (Y.D.); (J.C.); (Y.C.)
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White CS, Froebel LE, Dilger RN. A review on the effect of soy bioactive components on growth and health outcomes in pigs and broiler chickens. J Anim Sci 2024; 102:skae261. [PMID: 39234891 PMCID: PMC11452720 DOI: 10.1093/jas/skae261] [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: 07/12/2024] [Accepted: 09/04/2024] [Indexed: 09/06/2024] Open
Abstract
While soy products have long been included in animal diets for their macronutrient fractions, more recent work has focused on the immunomodulatory potential of bioactive components of this feedstuff. This comprehensive review aims to identify the current state of knowledge on minor soy fractions and their impact on the health and growth of pigs and broiler chickens to better direct future research. A total of 7,683 publications were screened, yet only 151 were included in the review after exclusion criteria were applied, with the majority (n = 87) of these studies conducted in pigs. In both species, antinutritional factors and carbohydrates, like stachyose and raffinose, were the most frequently studied categories of bioactive components. For both categories, most publications were evaluating ways to decrease the prevalence of the examined components in soy products, especially when fed at earlier ages. Overall, most studies evaluated the effect of the bioactive component on performance-related outcomes (n = 137), followed by microbial analysis (n = 38) and intestinal structure and integrity measures (n = 37). As they were analyzed in the majority of publications, antinutritional factors were also the most frequently investigated category in relation to each specific outcome. This trend did not hold true for microbiota- or antioxidant-associated outcomes, which were most often studied with carbohydrates or polyphenols, respectively. Changes to the host microbiota have the potential to modulate the immune system, feed intake, and social behaviors through the microbiota-gut-brain axis, though few publications measured behavior and brain characteristics as an outcome. Other identified gaps in research included the study of soy saponins, as most research focused on saponins derived from other plants, the study of phytosterols outside of their role in cardiovascular or reproductive outcomes, and the general examination of bioactive peptides. Overall, given soy's popularity as a current constituent of animal feed, additional research into these bioactive components may serve to define the value of soy products through their potential ability to support the productivity, health, and well-being of animals.
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Affiliation(s)
- Cameron S White
- Department of Animal Sciences, University of Illinois, Urbana, IL, USA
| | - Laney E Froebel
- Department of Animal Sciences, University of Illinois, Urbana, IL, USA
| | - Ryan N Dilger
- Department of Animal Sciences, University of Illinois, Urbana, IL, USA
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Wang C, Shan H, Chen H, Bai X, Ding J, Ye D, Adam FEA, Yang Y, Wang J, Yang Z. Probiotics and vitamins modulate the cecal microbiota of laying hens submitted to induced molting. Front Microbiol 2023; 14:1180838. [PMID: 37228378 PMCID: PMC10203222 DOI: 10.3389/fmicb.2023.1180838] [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: 03/06/2023] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
Induced molting enables laying hens to relax, restore energy and prolong the laying hen cycle, resolving problems such as poor egg quality and minimizing economic losses caused by rising global feeding costs. However, traditional molting methods may disrupt gut microflora and promote potential pathogens infections. This study used a customized additive with a mixture of probiotics and vitamins to induce molting and examine the cecal microbiota post molting. A total of two hundred 377 day-of-ISA Brown laying hens were randomly assigned to four groups: non-molt with basal diet (C), 12-day feeding restriction (FR) in earlier-molting (B), feed again to 27.12% egg production in middle-molting (A) and reach second peak of egg production over 81.36% in post-molting (D). Sequencing 16S rRNA to analyze cecal microbial composition revealed that there is no significant change in bacterial community abundance post-molting. In contrast to group C, the number of potentially harmful bacteria such as E. coli and Enterococcus was not found to increase in groups B, A, or D. This additive keeps cecal microbiota diversity and community richness steady. In cecal contents, hens in group B had lower Lactobacillus, Lachnospiraceae and Prevotellaceae (vsC, A, and D), no significant differences were found between post-molting and the non-molting. Furthermore, cecal microbiota and other chemicals (antibodies, hormones, and enzymes, etc.) strongly affect immunological function and health. Most biochemical indicators are significantly positively correlated with Prevotellaceae, Ruminococcaceae and Subdoligranulum, while negatively with Phascolarctobacterium and Desulfovibrio. In conclusion, the additive of probiotics and vitamins improved the cecal microbiota composition, no increase in the associated pathogenic microbial community due to traditional molting methods, and enhances hepatic lipid metabolism and adaptive immunological function, supporting their application and induced molting technology in the poultry breeding industry.
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Affiliation(s)
- Chunyang Wang
- College of Veterinary Medicine, Northwest A&F University, Xianyang, Shanxi, China
| | - Honghu Shan
- College of Veterinary Medicine, Northwest A&F University, Xianyang, Shanxi, China
| | - Hui Chen
- College of Veterinary Medicine, Northwest A&F University, Xianyang, Shanxi, China
| | - Xindong Bai
- College of Veterinary Medicine, Northwest A&F University, Xianyang, Shanxi, China
| | - Jingru Ding
- College of Veterinary Medicine, Northwest A&F University, Xianyang, Shanxi, China
| | - Dongyang Ye
- College of Veterinary Medicine, Northwest A&F University, Xianyang, Shanxi, China
| | | | - Yawei Yang
- Hongyan Molting Research Institute, Xianyang, Shanxi, China
| | - Juan Wang
- College of Veterinary Medicine, Northwest A&F University, Xianyang, Shanxi, China
| | - Zengqi Yang
- College of Veterinary Medicine, Northwest A&F University, Xianyang, Shanxi, China
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Liu S, Tu Y, Sun J, Cai P, Zhou Y, Huang Y, Zhang S, Chen W, Wang L, Du M, You W, Wang T, Wang Y, Lu Z, Shan T. Fermented mixed feed regulates intestinal microbial community and metabolism and alters pork flavor and umami. Meat Sci 2023; 201:109177. [PMID: 37023593 DOI: 10.1016/j.meatsci.2023.109177] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 03/10/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023]
Abstract
This study aimed to determine the effects of fermented mixed feed (FMF) supplementation (0%, 5% and 10%) on the intestinal microbial community and metabolism, and the compositions of volatile flavor compounds and inosine monophosphate (IMP) contents in the longissimus thoracis. In this study, 144 finishing pigs (Duroc × Berkshire × Jiaxing Black) were randomly allocated to 3 groups with 4 replicate pens per group and 12 pigs per pen. The experiment lasted 38 days after 4 days of acclimation. The 16S rRNA gene sequences and an untargeted metabolomics analysis showed FMF altered the profiles of microbes and metabolites in the colon. Heracles flash GC e-nose analysis showed that 10% FMF (treatment 3) had a greater influence on the compositions of volatile flavor compounds than 5% FMF (treatment 2). Compared to 0% FMF (treatment 1), the contents of total aldehydes, (E,E)-2,4-nonadienal, dodecanal, nonanal and 2-decenal were significantly increased by treatment 3, and treatment 3 increased IMP concentrations and gene expressions related to its synthesis. Correlations analysis showed significantly different microbes and metabolites had strong correlations with the contents of IMP and volatile flavor compounds. In conclusion, treatment 3 regulated intestinal microbial community and metabolism, that in turn altered the compositions of volatile compounds, which contributed to improving pork flavor and umami.
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Affiliation(s)
- Shiqi Liu
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China
| | - Yuang Tu
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China
| | - Jiabao Sun
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China
| | - Peiran Cai
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China
| | - Yanbing Zhou
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China
| | - Yuqin Huang
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China
| | - Shu Zhang
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China
| | - Wentao Chen
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China
| | - Liyi Wang
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China
| | - Man Du
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China
| | - Wenjing You
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China
| | - Tenghao Wang
- Zhejiang Qinglian Food Co Ltd, Jiaxing, Zhejiang 314317, PR China
| | - Yizhen Wang
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China
| | - Zeqing Lu
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China.
| | - Tizhong Shan
- College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Nutrition and Feed Science (Eastern of China), Ministry of Agriculture and Rural Affairs, Hangzhou, Zhejiang 310058, PR China; Key Laboratory of Animal Feed and Nutrition of Zhejiang Province, Hangzhou, Zhejiang 310058, PR China.
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Two-Stage Fermented Feather Meal-Soybean Meal Product Improves the Performance and Immunity of Lactating Sows and Piglets. FERMENTATION-BASEL 2023. [DOI: 10.3390/fermentation9020082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
This study aimed to investigate the effects of a two-stage fermented feather meal-soybean meal product (TSFP) on the performance, clinical blood biochemistry, and immunity of sows and piglets. TSFP was fermented by Saccharomyces cerevisiae Y10 for three days in the second stage, which showed similar results to the five-day fermentation of B. coagulans (p > 0.05). Fifty hybrid sows (Duroc × KHAPS black pig) were randomly assigned into dietary supplementation groups of 2% fish meal or different levels of TSFP at 0%, 1%, 2%, or 3%. The results showed that body weight gain and feed conversion ratio of 2% and 3% TSFP groups were better than the control group and fish meal group during the gestation period (d 80–114) (p < 0.05). During the lactation period, the 3% TSFP group showed the best weaning litter weight (p < 0.05). In sows, interferon-γ and immunoglobulin G (IgG) of 2% and 3% TSFP groups were higher than the control group and fish meal group (p < 0.05). In piglets, in groups of 2% and 3% TSFP blood urea decreased (p < 0.05). The IgG of fermented groups was superior to the control group (p < 0.05). The oxidative burst of phagocytes in the 3% TSFP was higher than those of the control and fish meal groups (p < 0.05). In conclusion, TSFP supplementation exhibits the advantages of performance and immunity of lactating sows and piglets. Furthermore, adding 3% TSFP in the feed showed the best performance.
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Sun HT, Wang Y, Bai LY, Liu C, Xu YH, Gao SX, Jiang WX, Yang LP, Liu GY. Dietary inclusion of fermented ginger straw effect on the growth performance, gastrointestinal tract development and caecal fermentation of fattening rabbits. WORLD RABBIT SCIENCE 2022. [DOI: 10.4995/wrs.2022.16093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
This experiment was conducted to evaluate the effects of dietary inclusion of fermented ginger straw on the growth performance, gastrointestinal tract development and caecal fermentation of fattening rabbits. A total of 160 45-d-old Laiwu black rabbits were randomly divided into 4 groups and fed 0% (Control), 5, 10 or 15% fermented ginger straw in their diet as a replacement for peanut straw powder. The trial lasted for 7 d of adaptation and 43 d for testing. Growth performance was recorded from 52 to 95 d of age (n=5 per treatment with 30 rabbits, 3 males and 3 females per replicate), TTAD of nutrients from 91 to 95 d of age, and gastrointestinal tract development, caecum fermentation and carcass traits were determined at 95 d of age (n=5 per treatment with 10 rabbits, 1 males and 1 females in per replicate).The results showed that the average daily gain and final body weight in the experimental groups (5, 10 and 15% fermented ginger straw) were higher than in the control group (P<0.05). However, the average daily feed intake in the 15% group was higher than in the other groups, while the total tract apparent digestibility of crude protein, ether extract, neutral detergent fibre and acid detergent fibre were lower than in the control group (P<0.05), and the relative weights of the stomach, small intestine and caecum content in the 15% substitution group were higher than those in the control group (P<0.05). In addition, the thickness of the muscle layer in the 15% substitution group was higher than that in the other groups (P<0.05). Moreover, pH and total volatile fatty acids concentration in the caecal content were similar among the 4 groups (P>0.05). The current work shows that fermented ginger straw could be used as roughage material in fattening rabbit production up to a dietary dose of 10%.
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Yang Y, Yan G, Meng X, Wang X, Zhao Z, Zhou S, Li G, Zhang Q, Wei X. Effects of Lactobacillus plantarum and Pediococcus acidilactici co-fermented feed on growth performance and gut microbiota of nursery pigs. Front Vet Sci 2022; 9:1076906. [PMID: 36578437 PMCID: PMC9792139 DOI: 10.3389/fvets.2022.1076906] [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: 10/22/2022] [Accepted: 11/22/2022] [Indexed: 12/14/2022] Open
Abstract
The fermented feed has been used extensively as a growth promoter in agricultural animal production. However, the effects of fermented feed on swine gut microbiota are still largely unknown. The work presented here aimed to investigate the growth performance and gut microbiota of nursery pigs receiving the LPF diet (10% Lactobacillus plantarum and Pediococcus acidilactici co-fermented feed + basal diet) compared with pigs receiving the NC diet (basal diet). The data showed LPF diet numerically improved average daily gain and significantly increased fecal acetate, butyrate, and total short-chain fatty acid (SCFA) concentrations. Furthermore, gut microbiota structure and membership significantly changed in response to the addition of fermented feed in the diet. Gut microbiota results indicated that LPF treatment significantly enriched SCFA-producing bacteria such as Megasphaera, Roseburia, Faecalibacterium, Blautia, Selenomonas, Dialister, Acidaminococcus, Ruminococcus, and Bifidobacterium. Some of these bacteria also had anti-inflammatory and other beneficial functions. Overall, these findings suggested that Lactobacillus plantarum and Pediococcus acidilactici co-fermented feed benefited growth performance and established potential health impacts on the gut microbiota of nursery pigs.
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Affiliation(s)
- Yuzeng Yang
- Institute of Animal Husbandry and Veterinary Medicine of Hebei Province, Baoding, China
| | - Guohua Yan
- Institute of Animal Husbandry and Veterinary Medicine of Hebei Province, Baoding, China
| | - Xianhua Meng
- Hebei Provincial Animal Husbandry Station, Shijiazhuang, China
| | - Xu Wang
- Institute of Agro-Resources and Environment, Hebei Fertilizer Technology Innovation Center, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang, China
| | - Zhiqiang Zhao
- Institute of Animal Husbandry and Veterinary Medicine of Hebei Province, Baoding, China
| | - Shuguang Zhou
- Baoding Animal Husbandry Workstation, Baoding, China
| | - Guangdong Li
- Hebei Provincial Animal Husbandry Station, Shijiazhuang, China
| | - Qiuliang Zhang
- Institute of Animal Husbandry and Veterinary Medicine of Hebei Province, Baoding, China,Qiuliang Zhang
| | - Xiaoyuan Wei
- Division of Agriculture, Department of Animal Science, University of Arkansas, Fayetteville, AR, United States,*Correspondence: Xiaoyuan Wei
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10
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Fermented mixed feed alters growth performance, carcass traits, meat quality and muscle fatty acid and amino acid profiles in finishing pigs. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2022; 12:87-95. [PMID: 36632618 PMCID: PMC9822949 DOI: 10.1016/j.aninu.2022.09.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 08/20/2022] [Accepted: 09/20/2022] [Indexed: 01/14/2023]
Abstract
This study was conducted to investigate the effects of fermented mixed feed (FMF) on growth performance, carcass traits, meat quality, muscle amino acid and fatty acid composition and mRNA expression levels of genes related to lipid metabolism in finishing pigs. In the present study, 144 finishing pigs (Duroc × Berkshire × Jiaxing Black) were randomly allocated to 3 dietary treatments with 4 replicate pens per group and 12 pigs per pen. The dietary treatments included a basal diet (CON), a basal diet + 5% FMF and a basal diet + 10% FMF. The experiment lasted 38 d after 4 d of acclimation. The results showed that 5% and 10% FMF significantly increased the average daily gain (ADG) of the females but not the males (P < 0.05), but FMF supplementation showed no impact on carcass traits. Moreover, 10% FMF supplementation increased the meat color45 min and meat color24 h values, while it decreased the shear force relative to CON (P < 0.05). In addition, 10% FMF significantly increased the contents of flavor amino acids (FAA), total essential AA (EAA), total non-EAA (NEAA) and total AA relative to CON (P < 0.05). Furthermore, the diet supplemented with 10% FMF significantly increased the concentration of n-3 polyunsaturated fatty acids (PUFA), n-6 PUFA and total PUFA, and the PUFA to saturated fatty acids ratio (P < 0.05), suggesting that FMF supplementation increased meat quality. Moreover, compared with the CON, 10% FMF supplementation increased the mRNA expression of lipogenic genes, including CEBPα, PPARγ, SREBP1 and FABP4, and upregulated the expression of unsaturated fatty acid synthesis (ACAA1 and FADS2). Together, our results suggest that 10% FMF dietary supplementation improved the female pigs' growth performance, improved the meat quality and altered the profiles of muscle fatty acids and amino acids in finishing pigs. This study provides a reference for the production of high-quality pork.
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11
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The Impact of Enhancing Diet Quality or Dietary Supplementation of Flavor and Multi-Enzymes on Primiparous Lactating Sows. Animals (Basel) 2022; 12:ani12121493. [PMID: 35739830 PMCID: PMC9219450 DOI: 10.3390/ani12121493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 05/24/2022] [Accepted: 06/01/2022] [Indexed: 01/10/2023] Open
Abstract
This study was aimed to explore how a high-quality diet or a flavor plus multi-enzyme diet affects the feed intake, nutrient digestibility and antioxidation capacity of lactating sows and the growth of their progeny. Thirty primiparous sows were randomly assigned to three treatments from d 2 of lactation until weaning (d 21): control (CON), with a basal diet; high quality (HQ), with 200 kcal/kg higher net energy than CON; or the CON diet supplemented with 500 mg/kg flavor and 100 mg/kg multi-enzymes (F + E). Sows fed with the HQ or F + E diets improved piglets’ live weight (p < 0.05) and average daily weight gain (p < 0.10), litter weight gain (p < 0.10) and piglet growth to milk yield ratio (p < 0.10). Compared with CON, the HQ and F + E groups increased the digestibility of ether extract, ash, neutral detergent fiber, crude fiber and phosphorus (p < 0.10), and the HQ group also increased dry matter, gross energy, crude protein, acid detergent fiber and energy intake (p < 0.05). Compared with CON, the F + E group decreased serum urea nitrogen and aspartate aminotransferase (p < 0.05) and enhanced superoxide dismutase, catalase and glutathione peroxidase, but it decreased malondialdehyde in milk supernatant (p < 0.05).
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12
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Zhang Y, Guo Y, Luo Y, Du M, Yin X, Xu X, Zhang G. Integrated Metabolomics and Transcriptome Revealed the Effect of Fermented Lycium barbarum Residue Promoting Ovis aries Immunity. Front Immunol 2022; 13:889436. [PMID: 35464408 PMCID: PMC9024334 DOI: 10.3389/fimmu.2022.889436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 03/17/2022] [Indexed: 11/30/2022] Open
Abstract
Lycium barbarum residue contains abundant bioactive nutrients which can be used as feed supplement. The fermentation treatment of plant residue can promote the utilization of nutrients, rumen digestion, and the growth and immunity of animals. Based on ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) metabolomics and in-depth transcriptome analysis, the study tested the mechanisms of Lycium barbarum residue (RW) and fermented Lycium barbarum residue (RFW) on meat quality and immunity of sheep. Fifty-four Tan sheep were randomly divided into control, RFW or RW treatments. Data showed that RFW and RW increased the carcass weight, fat content, ash content and reduced the cooking loss of lamb. RFW performed more significant effects on activating immune-related genes than those of RW. The expression of chemokines and immune-related pathways, such as signaling pathways of interleukin-17 signaling pathway and NOD-like receptor signaling pathway, were elevated in sheep fed RFW. RW increased the diversity in rumen metabolites, especially compositions of lipids, organic acids and organ heterocyclic compounds. RFW affected numerous compounds which are closely correlated with the activation of immune genes. In conclusion, RFW could represent a valuable strategy to improve growth performance and immunity of sheep.
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Affiliation(s)
- Yajun Zhang
- Departments of Animal Science, School of Agriculture, Ningxia University, Yinchuan, China
| | - Yansheng Guo
- Departments of Animal Science, School of Agriculture, Ningxia University, Yinchuan, China
| | - Yulong Luo
- School of Food and Wine, Ningxia University, Yinchuan, China
| | - Min Du
- Nutrigenomics and Growth Biology Laboratory, Department of Animal Sciences, Washington State University, Pullman, WA, United States
| | - Xin Yin
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, The Chinese Academy of Agricultural Sciences, Harbin, China
| | - Xiaochun Xu
- Collaborative Innovation Center for Food Production and Safety, North Minzu University, Yinchuan, China
| | - Guijie Zhang
- Departments of Animal Science, School of Agriculture, Ningxia University, Yinchuan, China
- *Correspondence: Guijie Zhang,
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Fu J, Wang T, Xiao X, Cheng Y, Wang F, Jin M, Wang Y, Zong X. Clostridium Butyricum ZJU-F1 Benefits the Intestinal Barrier Function and Immune Response Associated with Its Modulation of Gut Microbiota in Weaned Piglets. Cells 2021; 10:cells10030527. [PMID: 33801396 PMCID: PMC8001369 DOI: 10.3390/cells10030527] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 01/23/2021] [Accepted: 02/15/2021] [Indexed: 12/15/2022] Open
Abstract
This study investigated the effects of dietary C. butyricum ZJU-F1 on the apparent digestibility of nutrients, intestinal barrier function, immune response, and microflora of weaned piglets, with the aim of providing a theoretical basis for the application of Clostridium butyricum as an alternative to antibiotics in weaned piglets. A total of 120 weanling piglets were randomly divided into four treatment groups, in which piglets were fed a basal diet supplemented with antibiotics (CON), Bacillus licheniformis (BL), Clostridium butyricum ZJU-F1 (CB), or Clostridium butyricum and Bacillus licheniformis (CB-BL), respectively. The results showed that CB and CB-BL treatment increased the intestinal digestibility of nutrients, decreased intestinal permeability, and increased intestinal tight junction protein and mucin expression, thus maintaining the integrity of the intestinal epithelial barrier. CB and CB-BL, as exogenous probiotics, were also found to stimulate the immune response of weaned piglets and improve the expression of antimicrobial peptides in the ileum. In addition, dietary CB and CB-BL increased the proportion of Lactobacillus. The levels of butyric acid, propionic acid, acetic acid, and total acid were significantly increased in the ceca of piglets fed CB and CB-BL. Furthermore, we validated the effects of C. butyricum ZJU-F1 on the intestinal barrier function and immune response in vitro and found C. butyricum ZJU-F1 improved intestinal function and enhanced the TLR-2-MyD88-NF-κB signaling.
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Affiliation(s)
- Jie Fu
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; (J.F.); (T.W.); (X.X.); (Y.C.); (F.W.); (M.J.)
| | - Tenghao Wang
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; (J.F.); (T.W.); (X.X.); (Y.C.); (F.W.); (M.J.)
| | - Xiao Xiao
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; (J.F.); (T.W.); (X.X.); (Y.C.); (F.W.); (M.J.)
| | - Yuanzhi Cheng
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; (J.F.); (T.W.); (X.X.); (Y.C.); (F.W.); (M.J.)
| | - Fengqin Wang
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; (J.F.); (T.W.); (X.X.); (Y.C.); (F.W.); (M.J.)
- Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Ministry of Agriculture, Hangzhou 310058, China
| | - Mingliang Jin
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; (J.F.); (T.W.); (X.X.); (Y.C.); (F.W.); (M.J.)
- Key Laboratory of Animal Nutrition and Feed Science in Eastern China, Ministry of Agriculture, Hangzhou 310058, China
| | - Yizhen Wang
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; (J.F.); (T.W.); (X.X.); (Y.C.); (F.W.); (M.J.)
- Correspondence: (Y.W.); (X.Z.)
| | - Xin Zong
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, College of Animal Sciences, Zhejiang University, Hangzhou 310058, China; (J.F.); (T.W.); (X.X.); (Y.C.); (F.W.); (M.J.)
- Correspondence: (Y.W.); (X.Z.)
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14
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Inclusion of Oat and Yeast Culture in Sow Gestational and Lactational Diets Alters Immune and Antimicrobial Associated Proteins in Milk. Animals (Basel) 2021; 11:ani11020497. [PMID: 33672799 PMCID: PMC7918739 DOI: 10.3390/ani11020497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 02/08/2021] [Accepted: 02/12/2021] [Indexed: 11/17/2022] Open
Abstract
Simple Summary This study investigated the impact that supplementing sow’s gestation and lactation feed with oat alone or together with brewer’s yeast has on milk proteins and piglet growth and health. Oat and yeast supplements increased abundance of several milk proteins involved in immune protection. Piglets born from either the oat- or yeast-supplemented sows had decreased incidence of diarrhea after weaning. The average birth weights for piglets born of dams that consumed Oat were significantly greater than those that did not. However, piglets born to sows that consumed yeast in combination with oat weighed less at weaning and gained the least amount of weight post-weaning. These data suggest that oat, and to a lesser extent, yeast, added to maternal diets during gestation and lactation can positively impact milk, growth, and health of offspring but given in combination can potentially negatively affect piglet weight gain. Abstract Maternal diet supplementation with pro- and prebiotics is associated with decreased incidence of diarrhea and greater piglet performance. This study investigated the impact adding whole ground oat as a prebiotic, alone or in combination with a probiotic, yeast culture (YC) (Saccharomyces cerevisiae), to sow gestation and lactation rations had on milk protein composition, piglet growth, and incidence of post-weaning diarrhea (PWD). Diets: control (CON), CON + yeast culture (YC) [5 g/kg], CON + oat (15% inclusion rate) (Oat) or CON+ YC [5 g/kg] + Oat (15%) were fed the last 30 days of gestation and throughout lactation (18–21 days). Shotgun proteome analysis of day 4 and 7 postpartum milk found 36 differentially abundant proteins (P-adj < 0.1) in both Oat and YC supplemented sows relative to CON. Notable was the increased expression of antimicrobial proteins, lactoferrin and chitinase in milk of Oat and YC sows compared to CON. The levels of IgA, IgM (within colostrum and milk) and IgG (within milk) were similar across treatments. However, colostral IgG levels in Oat-supplemented sows were significantly lower (p < 0.05) than that of the control sows, IgG from Oat-supplemented sows displayed greater reactivity to E. coli-antigens compared with CON and YC. Piglets from sows that consumed Oat alone or in combination weighed significantly more (p < 0.05) at birth compared to CON and YC. However, piglets in the Oat + YC group weighed less at weaning and had the lowest weight gain (p < 0.05) postweaning, compared with CON. Taken together with the observation that piglets of either YC- or Oat-fed sows had less PWD compared to CON and YC+ Oat suggests that Oat or YC supplementation positively impacts piglets through expression of certain milk-associated immune and antimicrobial proteins.
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Yu YH, Hsu TY, Chen WJ, Horng YB, Cheng YH. The Effect of Bacillus licheniformis-Fermented Products and Postpartum Dysgalactia Syndrome on Litter Performance Traits, Milk Composition, and Fecal Microbiota in Sows. Animals (Basel) 2020; 10:E2044. [PMID: 33167360 PMCID: PMC7694358 DOI: 10.3390/ani10112044] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 11/03/2020] [Accepted: 11/04/2020] [Indexed: 11/16/2022] Open
Abstract
This study was designed to evaluate the effects of Bacillus licheniformis-fermented products (BLFP) and postpartum dysgalactia syndrome (PDS) on litter performance traits, milk composition, and fecal microbiota in sows in a commercial farrow to finish pig farm. Fifty multiparous cross-bred pregnant sows were randomly assigned to two groups in a completely randomized design. The dietary treatments comprised a basal diet (pregnancy and nursery diet) as control and basal diet supplemented with 1.5 g/kg of BLFP. Sows with PDS in the two groups were further verified 12 h post-partum. Results show that the piglet body weight at weaning was increased in sows fed the BLFP compared to those fed the control diet. The milk fat content of prepartum sows was reduced in sows fed the BLFP. Postpartum sows with PDS had increased milk solid content compared with healthy sows. Microbial composition and species relative abundance analysis indicated distinct bacterial clusters between the groups. The abundance of the family Prevotellaceae in the feces decreased in sows with PDS. BLFP increased the average abundance of the genus (Eubacterium) coprostanoligenes group in feces of sows. These findings demonstrate that BLFP in the diet of sows can improve the piglet body weight at weaning and modulate the fecal microbiota of sows. PDS also has an impact on milk composition and fecal microbiota in sows.
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Affiliation(s)
| | | | | | | | - Yeong-Hsiang Cheng
- Department of Biotechnology and Animal Science, National Ilan University, Yilan 260, Taiwan; (Y.-H.Y.); (T.-Y.H.); (W.-J.C.); (Y.-B.H.)
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16
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Wang C, Wei S, Xu B, Hao L, Su W, Jin M, Wang Y. Bacillus subtilis and Enterococcus faecium co-fermented feed regulates lactating sow's performance, immune status and gut microbiota. Microb Biotechnol 2020; 14:614-627. [PMID: 33026173 PMCID: PMC7936319 DOI: 10.1111/1751-7915.13672] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 09/03/2020] [Accepted: 09/14/2020] [Indexed: 02/06/2023] Open
Abstract
Fermented feed (FF) is widely applied to improve swine performance. However, the understandings of the effects of FF on the immune status and gut microbiota of lactating sows and whether probiotics are the effective composition of FF are still limited. The present study aimed to investigate the performance, immune status and gut microbiota of lactating sows fed with a basal diet supplemented with Bacillus subtilis and Enterococcus faecium co-fermented feed (FF), with the probiotic combination (PRO) of B. subtilis and E. faecium and control diet (CON) as controls. Compared with the CON group, FF group remarkably improved the average daily feed intake of sows and the weight gain of piglets, while significantly decreased the backfat loss, constipation rate of sows and diarrhoea incidence of piglets. The yield and quality of milk of sows in FF group were improved. Besides, faecal acetate and butyrate were promoted in FF group. Additionally, FF increased the level of IgG, IgM and IL-10 and decreased the concentration of TNF-α in serum. Furthermore, FF reduced the abundance of Enterobacteriaceae and increased the level of Lactobacillus and Succiniclasticum, which were remarkably associated with growth performance and serum immune parameters. Accordingly, microbial metabolic functions including DNA repair and recombination proteins, glycolysis and gluconeogenesis, mismatch repair and d-alanine metabolism were significantly upregulated, while amino acid metabolism was downregulated in FF group. Overall, the beneficial effects of FF were superior to PRO treatment. Altogether, administration of FF during lactation improved the performance and immune status, and modulated gut microbiota of sows. Probiotics are not the only one effective compound of FF.
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Affiliation(s)
- Cheng Wang
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed, Ministry of Agriculture, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed Science of Zhejiang Province, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,College of Animal Science, Institute of Feed Science, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China
| | - Siyu Wei
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed, Ministry of Agriculture, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed Science of Zhejiang Province, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,College of Animal Science, Institute of Feed Science, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China
| | - Bocheng Xu
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed, Ministry of Agriculture, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed Science of Zhejiang Province, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,College of Animal Science, Institute of Feed Science, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China
| | - Lihong Hao
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed, Ministry of Agriculture, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed Science of Zhejiang Province, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,College of Animal Science, Institute of Feed Science, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China
| | - Weifa Su
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed, Ministry of Agriculture, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed Science of Zhejiang Province, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,College of Animal Science, Institute of Feed Science, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China
| | - Mingliang Jin
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed, Ministry of Agriculture, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed Science of Zhejiang Province, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,College of Animal Science, Institute of Feed Science, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China
| | - Yizhen Wang
- Key Laboratory of Molecular Animal Nutrition, Ministry of Education, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed, Ministry of Agriculture, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,National Engineering Laboratory of Biological Feed Safety and Pollution Prevention and Control, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,Key Laboratory of Animal Nutrition and Feed Science of Zhejiang Province, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China.,College of Animal Science, Institute of Feed Science, Zhejiang University, 866 Yuhang Tang Road, Hangzhou, Zhejiang, 310058, China
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(Bio)Technological processing of poultry and pig feed: Impact on the composition, digestibility, anti-nutritional factors and hygiene. Anim Feed Sci Technol 2020. [DOI: 10.1016/j.anifeedsci.2020.114576] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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18
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Hao L, Su W, Zhang Y, Wang C, Xu B, Jiang Z, Wang F, Wang Y, Lu Z. Effects of supplementing with fermented mixed feed on the performance and meat quality in finishing pigs. Anim Feed Sci Technol 2020. [DOI: 10.1016/j.anifeedsci.2020.114501] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Lu J, Zhu M, Cao H, Zhang X, Wang Z, Zhang X, Li X, Hu J, Yang G, Shi X. Impact of Fermented Corn-Soybean Meal on Gene Expression of Immunity in the Blood, Level of Secretory Immunoglobulin A, and Mucosa-Associated Bacterial Community in the Intestine of Grower-Finisher Pigs. Front Vet Sci 2020; 7:246. [PMID: 32656248 PMCID: PMC7325983 DOI: 10.3389/fvets.2020.00246] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 04/15/2020] [Indexed: 12/14/2022] Open
Abstract
This study was conducted to determine the effect of a fermented corn–soybean meal [fermented feed (FF)] on the gene expression of immunity in the blood, the level of secretory immunoglobulin A (sIgA), and mucosa-associated bacterial community in the duodenum and colon of grower-finisher pigs. In this study, crossbred barrows (Duroc × Landrace × Large White) were randomly assigned to either an unfermented corn–soybean diet (Ctrl) (n = 6) or an FF diet (n = 6), and then the following were examined: the expression of immunity using real-time reverse transcription polymerase-chain reaction in the blood, sIgA using enzyme-linked immunosorbent assay (ELISA), and changes in the bacterial community using Illumina Hiseq sequencing in the mucosa of the duodenum and colon. Compared with control pigs fed with a standard diet, the results showed that FF caused upregulation of the mRNA expression of Toll-like receptor 3 (TLR3), TLR4, TLR6, and TLR8 in the blood (P < 0.05). Moreover, sequencing of 16S rRNA genes in duodenal mucosa samples indicated that the FF diet had a lower proportion of Tenericutes (P < 0.05) in the duodenal mucosa-associated microbiota, and FF significantly increased the percentage of Rikenellaceae and Christensenellaceae but decreased the abundance of Lachnospiraceae (P < 0.05) in the colonic mucosa-associated microbiota. The ELISA results showed that FF significantly increased the concentration of sIgA in the colonic mucosa (P < 0.05). More importantly, our correlation analysis indicated that the gene expression of immunity in the blood and the concentration of sIgA was associated with colonic mucosa-associated microbiota. Our data provide new knowledge into the adaptation response of the intestine to fermented feeding in monogastric animals.
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Affiliation(s)
- Junfeng Lu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Mengqing Zhu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Haigang Cao
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Xuan Zhang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Zhaolu Wang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Xiaoyu Zhang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Xiao Li
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Jianhong Hu
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Gongshe Yang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, China
| | - Xin'e Shi
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, Laboratory of Animal Fat Deposition and Muscle Development, College of Animal Science and Technology, Northwest A&F University, Yangling, China
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Dynamics of the Physicochemical Characteristics, Microbiota, and Metabolic Functions of Soybean Meal and Corn Mixed Substrates during Two-Stage Solid-State Fermentation. mSystems 2020; 5:5/1/e00501-19. [PMID: 32047057 PMCID: PMC7018524 DOI: 10.1128/msystems.00501-19] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Solid-state fermentation (SSF) plays pivotal roles not only in human food but also farm animal diets. Soybean meal (SBM) and corn account for approximately 70% of the global feed consumption. However, the nutritional value of conventional SBM and corn mixed substrates (MS) is limited by antinutritional factors, causing substantial economic loss in livestock production. Although emerging studies have reported that SSF can improve the nutritional value of SBM-based substrates, the dynamic changes in the physicochemical features, microbiota, and metabolic functions of MS during SSF remain poorly understood, limiting further investigation. To provide insights into the dynamics of the physicochemical characteristics and the complex microbiome during the two-stage SSF of MS, multiple physicochemical analyses combined with high-throughput sequencing were applied here. These novel insights shed light on the complex changes that occur in the nutrition and microbiome during two-stage SSF of MS and are of great value for industrial feed-based practices and metabolomic research on SSF ecosystems. Substantial annual economic loss in livestock production is caused by antinutritional factors in soybean meal and corn mixed substrates, which can be degraded by microbial fermentation. Although considerable efforts have been made to explain the effects of fermentation on soybean meal and corn-based feed, the dynamics of the physicochemical characteristics, microbiota, and metabolic functions of soybean meal and corn mixed substrates during solid-state fermentation remain unclear. Here, multiple physicochemical analyses combined with high-throughput sequencing were performed to reveal the dynamic changes that occur during a novel two-stage solid-state fermentation process. Generally, inoculated bacteria rapidly proliferated in the initial 12-h aerobic fermentation (P = 0.002). Notably, most nutritional changes occurred during 12 to 24 h compared to 0 to 12 h. Second-stage anaerobic fermentation increased the bacterial abundance and lactic acid content (P < 0.00). Bacillus spp., Enterococcus spp., and Pseudomonas spp. were predominantly involved in the maturation of the fermented mixed substrates (P < 0.05). Additionally, the available phosphorus exhibited the greatest interaction with the microbial community structure. Cellular processes and environmental information processing might be the main metabolic processes of the microbiota during this fermentation. An in vivo model further evaluated the growth-promoting effects of the fermented products. These results characterized the dynamic changes that occur during two-stage solid-state fermentation and provided potential references for additional interventions to further improve the effectiveness and efficiency of solid-state fermentation of feed. IMPORTANCE Solid-state fermentation (SSF) plays pivotal roles not only in human food but also farm animal diets. Soybean meal (SBM) and corn account for approximately 70% of the global feed consumption. However, the nutritional value of conventional SBM and corn mixed substrates (MS) is limited by antinutritional factors, causing substantial economic loss in livestock production. Although emerging studies have reported that SSF can improve the nutritional value of SBM-based substrates, the dynamic changes in the physicochemical features, microbiota, and metabolic functions of MS during SSF remain poorly understood, limiting further investigation. To provide insights into the dynamics of the physicochemical characteristics and the complex microbiome during the two-stage SSF of MS, multiple physicochemical analyses combined with high-throughput sequencing were applied here. These novel insights shed light on the complex changes that occur in the nutrition and microbiome during two-stage SSF of MS and are of great value for industrial feed-based practices and metabolomic research on SSF ecosystems.
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Fan L, Dou M, Wang X, Han Q, Zhao B, Hu J, Yang G, Shi X, Li X. Fermented corn-soybean meal elevated IGF1 levels in grower-finisher pigs. J Anim Sci 2018; 96:5144-5151. [PMID: 30203098 PMCID: PMC6276558 DOI: 10.1093/jas/sky361] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Accepted: 09/05/2018] [Indexed: 12/27/2022] Open
Abstract
Fermentation has attracted increasing attention in pig industry, because of low costs and numerous benefits on pig growth and health as well as environmental improvement, although the mechanisms remain largely unknown. In the present study, fermented corn-soybean meal significantly improved average daily gain and gain:food ratio (P < 0.05). Fermented feed (FF) significantly increased insulin-like growth factor 1 (IGF1) transcription in liver (P < 0.05). Meanwhile, fermented meal significantly enhanced the binding of CCAAT/enhancer-binding protein beta (C/EBPβ) to IGF1 promoter and C/EBPβ expression in liver (both P < 0.05). FF tended to increase IGF1 proteins in liver and serum too (both 0.05 < P < 0.10). Meanwhile, FF slightly but significantly increased hepatic and circulating triglyceride and total cholesterol levels, as well as serum ratio of high-density to low-density cholesterol (all P < 0.05). Our data indicated that FF could significantly augment the binding of C/EBPβ to IGF1 promoter and promote hepatic IGF1 expression and production, thus boost pig growth.
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Affiliation(s)
- Lujie Fan
- College of Animal Science and Technology, Northwest A & F University, Yangling, Shaanxi, P. R. China
| | - Mingle Dou
- College of Animal Science and Technology, Northwest A & F University, Yangling, Shaanxi, P. R. China
| | - Xiaoyu Wang
- College of Animal Science and Technology, Northwest A & F University, Yangling, Shaanxi, P. R. China
| | - Qichun Han
- College of Animal Science and Technology, Northwest A & F University, Yangling, Shaanxi, P. R. China
| | - Bo Zhao
- Tongchuan Yuanheng Ecological Agriculture Co., Ltd., Tongchuan, Shaanxi, P. R. China
| | - Jianhong Hu
- College of Animal Science and Technology, Northwest A & F University, Yangling, Shaanxi, P. R. China
| | - Gongshe Yang
- College of Animal Science and Technology, Northwest A & F University, Yangling, Shaanxi, P. R. China
| | - Xin’e Shi
- College of Animal Science and Technology, Northwest A & F University, Yangling, Shaanxi, P. R. China
| | - Xiao Li
- College of Animal Science and Technology, Northwest A & F University, Yangling, Shaanxi, P. R. China
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