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Qin J, Qin L, Zhang F, Fan X, Jin H, Du Z, Guo Y, Liu W, Liu Q. Effects of JUNCAO Ganoderma lucidum polysaccharide peptide on slaughter performance and intestinal health of Minxinan black rabbits. Anim Biotechnol 2024; 35:2259436. [PMID: 37768126 DOI: 10.1080/10495398.2023.2259436] [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: 09/29/2023]
Abstract
This experiment was conducted to investigate the effects of JUNCAO Ganoderma lucidum polysaccharide peptide (JCGLPP) on slaughter performance and intestinal health of Minxinan black rabbits, which aimed to provide the basis for the application of JCGLPP in meat rabbits. One hundred male weaned Minxinan black rabbits of (33 ± 2) d [(initial body mass (655.65 ± 25.90) g] were randomly divided into four groups with five replicates per group and five rabbits per replicate. The diets were supplemented with 0 (control group), 50 (group I), 100 (group II) and 150 mg·kg-1 (group III) of JCGLPP, respectively. This experiment lasted for 56 days. The results are shown below: (1) The live weight before slaughter of groups I and III was significantly higher than that of control group (p < 0.05); The full net bore weight of group III was significantly higher than that of control group (p < 0.05). (2) pH value of group I was significantly higher than that of control group (p < 0.05); NH3-N content in experimental groups were significantly higher than that in control group(p < 0.05) while NH3-N content in group I was significantly higher than that in groups III and II (p < 0.05); The content of butyric acid in group II was significantly lower than that in control group (p < 0.05); There were no significant differences in acetic acid, isovaleric acid, isobutyric acid and propionic acid in experimental groups compared with control group (p > 0.05). (3) The Occludin content in duodenum, jejunum and ileum of groups I and II was significantly higher than that of control group (p < 0.05). (4) At the phylum level, Firmicutes and Bacteroidetes were the dominant phylum in each group. At the genus level, norank_f__norank_o__Clostridia_UCG-014 in group II were significantly higher than those in control group (p < 0.05). In conclusion, although dietary JCGLPP supplementation could not improve slaughter performance of Minxinan black rabbits, it could improve cecal fermentation parameters and intestinal flora structure and composition of Minxinan black rabbits to a certain extent. Our results revealed that 100 mg·kg-1 might be the optimal concentration obtained in dietary JCGLPP supplementation, which provided ideas and feasibility for drug combination.
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Affiliation(s)
- Juanqing Qin
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Liwen Qin
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Fu Zhang
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Xiaoyu Fan
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Huayun Jin
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Zhijian Du
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Yukang Guo
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Weiwei Liu
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
| | - Qinghua Liu
- College of Animal Sciences (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou, Fujian, China
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Fu C, Ma Y, Xia S, Shao J, Tang T, Sun W, Jia X, Wang J, Lai S. Study on Changes in Gut Microbiota and Microbiability in Rabbits at Different Developmental Stages. Animals (Basel) 2024; 14:1741. [PMID: 38929360 DOI: 10.3390/ani14121741] [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: 04/23/2024] [Revised: 05/31/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
This study used feces from 0-day-old (36 rabbits), 10-day-old (119 rabbits), and 60-day-old (119 rabbits) offspring rabbits and their corresponding female rabbits (36 rabbits) as experimental materials. Using 16s rRNA sequencing, the study analyzed the types and changes of gut microbiota in rabbits at different growth and development stages, as well as the correlation between gut microbiota composition and the weight of 60-day-old rabbits. All experimental rabbits were placed in the same rabbit shed. Juvenile rabbits were fed solid feed at 18 days of age and weaned at 35 days of age. In addition to identifying the dominant bacterial phyla of gut microbiota in rabbits at different age stages, it was found that the abundance of Clostridium tertium and Clostridium paraputrificum in all suckling rabbits (10-day-old) was significantly higher than that in rabbits fed with whole feed (60-day-old) (p < 0.05), while the abundance of Gram-negative bacterium cTPY13 was significantly lower (p < 0.05). In addition, Fast Expected Maximum Microbial Source Tracing (FEAST) analysis showed that the contribution of female rabbits' gut microbiota to the colonization of offspring rabbits' gut microbiota was significantly higher than that of unrelated rabbits' gut microbiota (p < 0.05). The contribution of female rabbits' gut microbiota to the colonization of gut microbiota in 0-day-old rabbits was significantly higher than that to the colonization of gut microbiota in the 10- and 60-day-old rabbits (p < 0.05). Finally, the correlation between gut microbiota composition and body weight of 60-day-old rabbits was analyzed based on a mixed linear model, and six ASVs significantly affecting body weight were screened. The above results provide important theoretical and practical guidance for maintaining gut health, improving growth and development performance, and feeding formulation in rabbits.
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Affiliation(s)
- Chong Fu
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Yue Ma
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Siqi Xia
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Jiahao Shao
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Tao Tang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Wenqiang Sun
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Xianbo Jia
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Jie Wang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Songjia Lai
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
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Zhao M, Liu H, Liu M, Yue Z, Li C, Liu L, Li F. Metagenomics and metabolomics reveal that gut microbiome adapts to the diet transition in Hyla rabbits. Microbiol Res 2024; 283:127705. [PMID: 38554650 DOI: 10.1016/j.micres.2024.127705] [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: 11/06/2023] [Revised: 03/14/2024] [Accepted: 03/24/2024] [Indexed: 04/02/2024]
Abstract
There is still a lack of longitudinal dynamic studies on the taxonomic features, functional reserves, and metabolites of the rabbit gut microbiome. An experiment was conducted to characterize the bacterial community of rabbits. By combining metagenomics and metabolomics, we have comprehensively analyzed the longitudinal dynamics of the rabbit gut microbiota and its effect on host adaptability. Our data reveal an overall increasing trend in microbial community and functional gene diversity and richness during the pre-harvest lifespan of rabbits. The introduction of solid feed is an important driving factor affecting rabbit gut microbiological compositions. Clostridium and Ruminococcus had significantly higher relative abundances in the solid feed stage. Further, the starch and fiber in solid feed promote the secretion of carbohydrate-degrading enzymes, which helps the host adapt to dietary changes. The rabbit gut microbiota can synthesize lysine, and the synthase is gradually enriched during the diet transformation. The gut microbiota of newborn rabbits has a higher abundance of lipid metabolism, which helps the host obtain more energy from breast milk lipids. The rabbit gut microbiota can also synthesize a variety of secondary bile acids after the introduction of solid feed. These findings provide a novel understanding of how the gut microbiota mediates adaptability to environment and diet in rabbits and provide multiple potential strategies for regulating intestinal health and promoting higher feed efficiency.
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Affiliation(s)
- Man Zhao
- Key Laboratory of Efficient Utilization of Non-Grain Feed Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Department of Animal Science, Shandong Agricultural University, Taian, China
| | - Hongli Liu
- Key Laboratory of Efficient Utilization of Non-Grain Feed Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Department of Animal Science, Shandong Agricultural University, Taian, China
| | - Mengqi Liu
- Key Laboratory of Efficient Utilization of Non-Grain Feed Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Department of Animal Science, Shandong Agricultural University, Taian, China
| | - Zhengkai Yue
- Key Laboratory of Efficient Utilization of Non-Grain Feed Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Department of Animal Science, Shandong Agricultural University, Taian, China
| | - Chenyang Li
- Key Laboratory of Efficient Utilization of Non-Grain Feed Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Department of Animal Science, Shandong Agricultural University, Taian, China
| | - Lei Liu
- Key Laboratory of Efficient Utilization of Non-Grain Feed Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Department of Animal Science, Shandong Agricultural University, Taian, China.
| | - Fuchang Li
- Key Laboratory of Efficient Utilization of Non-Grain Feed Resources (Co-Construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Department of Animal Science, Shandong Agricultural University, Taian, China.
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Hou X, Dai P, Song X, Long X, Gao J, Chai T. Understanding the Effect of Compound Probiotics on the Health of Rabbits and Its Mechanisms Through Metagenomics. Probiotics Antimicrob Proteins 2024; 16:815-828. [PMID: 37160588 DOI: 10.1007/s12602-023-10072-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/16/2022] [Indexed: 05/11/2023]
Abstract
In this study, we investigated the effects of probiotics on growth performance, immunity, intestinal flora, and antioxidant capacity of rabbits. Three hundred New Zealand white rabbits were randomly divided into four groups. Groups A, B, C, and D were the lactobacillus group, compound probiotic group, control group, and antibiotic group, respectively. The results showed compared with the control group, the average weight of groups A, B, and D increased by 14.88%, 12.33%, and 11.97%, respectively. Moreover, the index of immune organs and the IgG and IgM in serum of group B were significantly increased (P < 0.05). Meanwhile, the activities of superoxide dismutase (SOD) in group B and catalase (CAT) in group A were significantly increased (P < 0.05). At week 5, the contents of rabbit cecum were taken for metagenome sequencing, and the results showed probiotics increased the relative abundance of Akkermansia, and decreased the relative abundance of Bacteroides. According to the Kyoto Encyclopedia of Genes and Genomes (KEGG) database, we found probiotics could enrich metabolic pathways such as carbohydrates, amino acids, and lipids. According to the Comprehensive Antibiotic Resistance Database (CARD), we found antibiotic resistance ontology (ARO) in cecum mainly included β-lactamases, macrolide 2'-phosphotransferase II, and plasmid-mediated quinolone resistance protein. Among them, there were 1964, 2105, and 1982 types of ARO in group B, group D, and groups A and C, respectively. These results showed probiotics played a beneficial role in maintaining or enhancing the health and growth of rabbits and could replace antibiotics under certain feeding conditions.
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Affiliation(s)
- Xiaohong Hou
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450000, China
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian, 271000, China
| | - Peiqiang Dai
- Sino-Science Biological Research Institute, Taian, China
| | - Xingdong Song
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, China
| | - Xianrong Long
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian, 271000, China
| | - Jing Gao
- Taian Central Hospital, Taian, 271000, China.
| | - Tongjie Chai
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian, 271000, China.
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Mei S, He G, Chen Z, Zhang R, Liao Y, Zhu M, Xu D, Shen Y, Zhou B, Wang K, Wang C, Zhu E, Chen C. Probiotic-Fermented Distillers Grain Alters the Rumen Microbiome, Metabolome, and Enzyme Activity, Enhancing the Immune Status of Finishing Cattle. Animals (Basel) 2023; 13:3774. [PMID: 38136811 PMCID: PMC10740804 DOI: 10.3390/ani13243774] [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: 10/17/2023] [Revised: 11/28/2023] [Accepted: 12/05/2023] [Indexed: 12/24/2023] Open
Abstract
A total of 30 Simmental crossbred cattle (6.50 months old, 265.0 ± 22.48 kg) were randomly divided into three groups, with 10 heads per group, and fed for 45 days. The diet treatments consisted of the Control group without PFDG supplementation, the PFDG-15% group with 15% PFDG substituting for 15% concentrate, and PFDG-30% group with 30% PFDG substituting for 30% concentrate. The results showed that compared with the Control group, the average daily gain (ADG) of the cattle in the PFDG-30% group decreased significantly (0.890 vs. 0.768 kg/d, p = 0.005). The serum malondialdehyde content of cattle in the PFDG-15% and PFDG-30% groups decreased significantly (p = 0.047) compared to that of the Control group. However, the serum superoxide dismutase activity of cattle in the PFDG-30% group was significantly higher than that of the Control group (p = 0.047). Meanwhile, both the PFDG-15% and PFDG-30% groups (1758.47 vs. 2061.30 μg/mL) showed higher serum levels of immunoglobulin G, while the interleukin-10 concentration was lower in the PFDG-30% group (p = 0.027). In addition, the PFDG-15% and PFDG-30% groups shifted the rumen microbiota by improving the abundances of F082 (related to propionic acid production) and fiber-degrading bacteria (Lachnospiraceae_UGG-009 and Prevotellaceae_UCG-001) and reducing the abundance of the disease-associated bacteria Selenomonas. A Kyoto encyclopedia of genes and genomes (KEGG) analysis illustrated that three key metabolic pathways, including phenylalanine metabolism, pyrimidine metabolism, and tryptophan metabolism, were enriched in the PFDG-15% group, but eight key metabolic pathways, including arachidonic acid metabolism, were enriched in the PFDG-30% group. Importantly, both the PFDG-15% and PFDG-30% groups increased (p < 0.01) the activities of cellulase, lipase, and protease in the rumen. Finally, the different bacterial abundance in the rumen was associated with changes in the ADG, serum antioxidant capacity, immune status, rumen enzyme activity, and metabolites. These results suggest that PFDG alters rumen microbiome abundance, metabolome, and enzyme activity for enhancing serum antioxidant capacity and the immune status, but when the supplemental level reaches 30%, it has a negative effect on ADG and the anti-inflammatory factors in finishing cattle.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Chao Chen
- College of Animal Science, Guizhou University, Guiyang 550025, China; (S.M.); (G.H.); (Z.C.); (R.Z.); (Y.L.); (M.Z.); (D.X.); (Y.S.); (B.Z.); (K.W.); (C.W.); (E.Z.)
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Liu P, Li H, Xu H, Gong J, Jiang M, Xu Z, Shi J. Aggravated hepatic fibrosis induced by phenylalanine and tyrosine was ameliorated by chitooligosaccharides supplementation. iScience 2023; 26:107754. [PMID: 37731617 PMCID: PMC10507131 DOI: 10.1016/j.isci.2023.107754] [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: 07/05/2022] [Revised: 03/21/2023] [Accepted: 08/24/2023] [Indexed: 09/22/2023] Open
Abstract
Hepatic fibrosis is a classic pathological manifestation of metabolic chronic hepatopathy. The pathological process might either gradually deteriorate into cirrhosis and ultimately liver cancer with inappropriate nutrition supply, or be slowed down by several multifunctional nutrients, alternatively. Herein, we found diet with excessive phenylalanine (Phe) and tyrosine (Tyr) exacerbated hepatic fibrosis symptoms of liver dysfunction and gut microflora dysbiosis in mice. Chitooligosaccharides (COS) could ameliorate hepatic fibrosis with the regulation of amino acid metabolism by downregulating the mTORC1 pathway, especially that of Phe and Tyr, and also with the alleviation of the dysbiosis of gut microbiota, simultaneously. Conclusively, this work presents new insight into the role of Phe and Tyr in the pathologic process of hepatic fibrosis, while revealing the effectiveness and molecular mechanism of COS in improving hepatic fibrosis from the perspective of metabolites.
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Affiliation(s)
- Peng Liu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, China
- Institute of Edible Fungi, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai 201403, China
| | - Heng Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, China
| | - Hongyu Xu
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
| | - Jinsong Gong
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, China
| | - Min Jiang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, China
| | - Zhenghong Xu
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi 214122, China
| | - Jinsong Shi
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, China
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Deng J, Liu YJ, Wei WT, Huang QX, Zhao LP, Luo LY, Zhu Q, Zhang L, Chen Y, Ren YL, Jia SG, Lin YL, Yang J, Lv FH, Zhang HP, Li FE, Li L, Li MH. Single-cell transcriptome and metagenome profiling reveals the genetic basis of rumen functions and convergent developmental patterns in ruminants. Genome Res 2023; 33:1690-1707. [PMID: 37884341 PMCID: PMC10691550 DOI: 10.1101/gr.278239.123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 09/17/2023] [Indexed: 10/28/2023]
Abstract
The rumen undergoes developmental changes during maturation. To characterize this understudied dynamic process, we profiled single-cell transcriptomes of about 308,000 cells from the rumen tissues of sheep and goats at 17 time points. We built comprehensive transcriptome and metagenome atlases from early embryonic to rumination stages, and recapitulated histomorphometric and transcriptional features of the rumen, revealing key transitional signatures associated with the development of ruminal cells, microbiota, and core transcriptional regulatory networks. In addition, we identified and validated potential cross-talk between host cells and microbiomes and revealed their roles in modulating the spatiotemporal expression of key genes in ruminal cells. Cross-species analyses revealed convergent developmental patterns of cellular heterogeneity, gene expression, and cell-cell and microbiome-cell interactions. Finally, we uncovered how the interactions can act upon the symbiotic rumen system to modify the processes of fermentation, fiber digestion, and immune defense. These results significantly enhance understanding of the genetic basis of the unique roles of rumen.
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Affiliation(s)
- Juan Deng
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Ya-Jing Liu
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Wen-Tian Wei
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Qi-Xuan Huang
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Li-Ping Zhao
- CAS Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences (CAS), Beijing 100101, China
- Key Laboratory of Agricultural Animal Genetics, Breeding, and Reproduction of the Ministry of Education and Key Laboratory of Swine Genetics and Breeding of Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan 430070, China
| | - Ling-Yun Luo
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Qi Zhu
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Lin Zhang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Yuan Chen
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Yan-Ling Ren
- Shandong Binzhou Academy of Animal Science and Veterinary Medicine, Binzhou 256600, China
| | - Shan-Gang Jia
- College of Grassland Science and Technology, China Agricultural University, Beijing 100193, China
| | - Yu-Luan Lin
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Ji Yang
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Feng-Hua Lv
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
| | - Hong-Ping Zhang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Feng-E Li
- Key Laboratory of Agricultural Animal Genetics, Breeding, and Reproduction of the Ministry of Education and Key Laboratory of Swine Genetics and Breeding of Ministry of Agriculture and Rural Affairs, Huazhong Agricultural University, Wuhan 430070, China
| | - Li Li
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China;
| | - Meng-Hua Li
- College of Animal Science and Technology, China Agricultural University, Beijing 100193, China;
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Li K, Abdelsattar MM, Gu M, Zhao W, Liu H, Li Y, Guo P, Huang C, Fang S, Gan Q. The Effects of Temperature and Humidity Index on Growth Performance, Colon Microbiota, and Serum Metabolome of Ira Rabbits. Animals (Basel) 2023; 13:1971. [PMID: 37370481 DOI: 10.3390/ani13121971] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 05/16/2023] [Accepted: 05/16/2023] [Indexed: 06/29/2023] Open
Abstract
This study investigates the effects of different THI values on growth performance, intestinal microbes, and serum metabolism in meat rabbits. The results showed that there were significant differences in THI in different location regions of the rabbit house. The high-THI group (HG) could significantly reduce average daily gain and average daily feed intake in Ira rabbits (p < 0.05). The low-THI group (LG) significantly increased the relative abundance of Blautia (p < 0.05). The HG significantly increased the relative abundance of Lachnospiraceae NK4A136 group and reduced bacterial community interaction (p < 0.05). The cytokine-cytokine receptor interactions, nuclear factor kappa B signaling pathway, and toll-like receptor signaling pathway in each rabbit's gut were activated when the THI was 26.14 (p < 0.05). Metabolic pathways such as the phenylalanine, tyrosine, and tryptophan biosynthesis and phenylalanine metabolisms were activated when the THI was 27.25 (p < 0.05). Meanwhile, the TRPV3 and NGF genes that were associated with heat sensitivity were significantly upregulated (p < 0.05). In addition, five metabolites were found to be able to predict THI levels in the environment with an accuracy of 91.7%. In summary, a THI of 26.14 is more suitable for the growth of meat rabbits than a THI of 27.25, providing a reference for the efficient feeding of meat rabbits.
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Affiliation(s)
- Keyao Li
- College of Animal Science (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Mahmoud M Abdelsattar
- Department of Animal and Poultry Production, Faculty of Agriculture, South Valley University, Qena 83523, Egypt
| | - Mingming Gu
- College of Animal Science (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Wei Zhao
- Key Laboratory of Feed Biotechnology of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research of Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Haoyu Liu
- College of Animal Science (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Yafei Li
- College of Animal Science (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Pingting Guo
- College of Animal Science (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Caiyun Huang
- College of Animal Science (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Shaoming Fang
- College of Animal Science (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Qianfu Gan
- College of Animal Science (College of Bee Science), Fujian Agriculture and Forestry University, Fuzhou 350002, China
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Nie Z, Xu X, Shao N, He J, Li P, Xu P, Hu J, Qin W, Wang B, Xu G. Integrative analysis of microbiome and metabolome reveals the linkage between gut microbiota and carp growth. ENVIRONMENTAL RESEARCH 2023; 220:115133. [PMID: 36563984 DOI: 10.1016/j.envres.2022.115133] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/17/2022] [Accepted: 12/19/2022] [Indexed: 06/17/2023]
Abstract
Gut microbiota and their metabolites are increasingly recognized for their crucial role in regulating the health and growth of the host. The mechanism by which the gut microbiome affects the growth rate of fish (Cyprinus carpio) in the rice-fish coculture system, however, remains unclear. In this study, the gut contents of the fast-growing and slow-growing (FG and SG) carp were collected from the rice-fish coculture system for both the fish gut microbiome and metabolome analyses. High throughput 16 S rRNA gene sequencing showed that the overall gut microbiota of FG group was distinct from that of SG group. For example, the cyanobacteria were highly enriched in the guts of SG carp (18.61%), in contrast, they only represented a minor fraction of gut microbiota for FG group (<0.20%). The liquid chromatography-mass spectrometry (LC-MS)-based metabolomics analysis revealed that 191 identified metabolites mostly located in 18 KEGG pathways were differentially present between the two groups, of which more than 50% of these metabolites were involved in lipid and amino acids metabolism. Compared with the FG group, the gut microbiota of SG group significantly enriched the metabolic pathways involved in the steroid (hormone) biosynthesis, whereas reducing those associated with beta-alanine metabolism, biosynthesis of unsaturated fatty acids and bile secretion. The enrichment and depletion of these metabolic pathways resulted in an increase in steroid metabolites and a decrease in the concentration of spermidine, which may have a major impact on the growth rate of carp. The metabolome results were further supported by the predicated KEGG functions of the gut microbiomes of the two groups, pointing out that the gut microbiota could substantially affect the growth of fish via their unique metabolic functions. Together, our integrated fish gut microbiome and metabolome analysis has substantial implications for the development of engineered microbiome technologies in aquaculture.
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Affiliation(s)
- Zhijuan Nie
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Key Laboratory of Agricultural and Environmental Microbiology, Ministry of Agriculture and Rural Affairs, Nanjing, 210095, China; Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi, 214081, China
| | - Xiaotong Xu
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Key Laboratory of Agricultural and Environmental Microbiology, Ministry of Agriculture and Rural Affairs, Nanjing, 210095, China
| | - Nailing Shao
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi, 214081, China
| | - Jian He
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Key Laboratory of Agricultural and Environmental Microbiology, Ministry of Agriculture and Rural Affairs, Nanjing, 210095, China
| | - Pengfa Li
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Key Laboratory of Agricultural and Environmental Microbiology, Ministry of Agriculture and Rural Affairs, Nanjing, 210095, China
| | - Pao Xu
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi, 214081, China
| | - Jiawen Hu
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi, 214081, China
| | - Wei Qin
- Department of Microbiology and Plant Biology, Institute for Environmental Genomics, University of Oklahoma, Norman, OK, USA
| | - Baozhan Wang
- Department of Microbiology, College of Life Sciences, Nanjing Agricultural University, Key Laboratory of Agricultural and Environmental Microbiology, Ministry of Agriculture and Rural Affairs, Nanjing, 210095, China.
| | - Gangchun Xu
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi, 214081, China.
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Ye XX, Li KY, Li YF, Lu JN, Guo PT, Liu HY, Zhou LW, Xue SS, Huang CY, Fang SM, Gan QF. The effects of Clostridium butyricum on Ira rabbit growth performance, cecal microbiota and plasma metabolome. Front Microbiol 2022; 13:974337. [PMID: 36246250 PMCID: PMC9563143 DOI: 10.3389/fmicb.2022.974337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Clostridium butyricum (C. butyricum) can provide many benefits for animals’ growth performance and gut health. In this study, we investigated the effects of C. butyricum on the growth performance, cecal microbiota, and plasma metabolome in Ira rabbits. A total of 216 Ira rabbits at 32 days of age were randomly assigned to four treatments supplemented with basal diets containing 0 (CG), 200 (LC), 400 (MC), and 600 mg/kg (HC) C. butyricum for 35 days, respectively. In comparison with the CG group, C. butyricum supplementation significantly improved the average daily gain (ADG) and feed conversion rate (FCR) at 53 and 67 days of age (P < 0.05) and digestibilities of crude protein (CP) and crude fiber (CF) at 67 days of age (P < 0.05). The cellulase activity in the HC group was higher respectively by 50.14 and 90.13% at 53 and 67 days of age, than those in the CG groups (P < 0.05). Moreover, at 67 days of age, the diet supplemented with C. butyricum significantly increased the relative abundance of Verrucomicrobia at the phylum level (P < 0.05). Meanwhile, the concentrations of different metabolites, such as amino acids and purine, were significantly altered by C. butyricum (P < 0.05). In addition, 10 different genera were highly correlated with 52 different metabolites at 53-day-old and 6 different genera were highly correlated with 18 different metabolites at 67-day-old Ira rabbits. These findings indicated that the C. butyricum supplementation could significantly improve the growth performance by modifying the cecal microbiota structure and plasma metabolome of weaned Ira rabbits.
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11
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Li L, Li K, Bian Z, Chen Z, Li B, Cui K, Wang F. Association between body weight and distal gut microbes in Hainan black goats at weaning age. Front Microbiol 2022; 13:951473. [PMID: 36187995 PMCID: PMC9523243 DOI: 10.3389/fmicb.2022.951473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/31/2022] [Indexed: 11/13/2022] Open
Abstract
Gut microbiota plays a critical role in the healthy growth and development of young animals. However, there are few studies on the gut microbiota of young Hainan black goats. In this study, 12 three-month-old weaned lambs with the same birth date were selected and divided into the high body weight group (HW) and low body weight group (LW). The microbial diversity, composition, and predicted function in the feces of HW and LW groups were analyzed by collecting fecal samples and sequencing the 16S rRNA V3-V4 region. The results indicated that the HW group exhibited higher community diversity compared with the LW group, based on the Shannon index. The core phyla of the HW and LW groups were both Firmicutes and Bacteroidetes. Parabacteroides, UCG-005, and Bacteroides are the core genera of the HW group, and Bacteroides, Escherichia-Shigella, and Akkermansia are the core genera of the LW group. In addition, genera such as Ruminococcus and Anaerotruncus, which were positively correlated with body weight, were enriched in the HW group; those genera, such as Akkermansia and Christensenellaceae, which were negatively correlated with body weight, were enriched in the LW group. Differential analysis of the KEGG pathway showed that Amino Acid Metabolism, Energy Metabolism, Carbohydrate Metabolism, and Nucleotide Metabolism were enriched in the HW group, while Cellular Processes and Signaling, Lipid Metabolism, and Glycan Biosynthesis and Metabolism were enriched in the LW group. The results of this study revealed the gut microbial characteristics of Hainan black goats with different body weights at weaning age and identified the dominant flora that contributed to their growth.
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Affiliation(s)
- Lianbin Li
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, College of Animal Science and Technology, Hainan University, Haikou, Hainan, China
| | - Kunpeng Li
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, College of Animal Science and Technology, Hainan University, Haikou, Hainan, China
| | - Zhengyu Bian
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, College of Animal Science and Technology, Hainan University, Haikou, Hainan, China
| | - Zeshi Chen
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, College of Animal Science and Technology, Hainan University, Haikou, Hainan, China
| | - Boling Li
- Hainan Extension Station of Animal Husbandry Technology, Haikou, Hainan, China
| | - Ke Cui
- Hainan Extension Station of Animal Husbandry Technology, Haikou, Hainan, China
| | - Fengyang Wang
- Key Laboratory of Tropical Animal Breeding and Epidemic Disease Research of Hainan Province, College of Animal Science and Technology, Hainan University, Haikou, Hainan, China
- *Correspondence: Fengyang Wang,
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12
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Wang J, Xia S, Fan H, Shao J, Tang T, Yang L, Sun W, Jia X, Chen S, Lai S. Microbiomics Revealed the Disturbance of Intestinal Balance in Rabbits with Diarrhea Caused by Stopping the Use of an Antibiotic Diet. Microorganisms 2022; 10:microorganisms10050841. [PMID: 35630287 PMCID: PMC9145392 DOI: 10.3390/microorganisms10050841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/09/2022] [Accepted: 04/12/2022] [Indexed: 12/25/2022] Open
Abstract
The harmful effects of diarrhea on the growth performance of rabbits have been well documented, but the details of the potential mechanism of intestinal diarrhea when antibiotics are stopped are still unclear. Here, PacBio sequencing technology was used to sequence the full length 16S rRNA gene of the microbiota of intestinal content samples, in order to characterize the bacterial communities in the small intestine (duodenum and jejunum) and large intestine (colon and cecum) in normal Hyplus rabbits and those with diarrhea. The histopathological examination showed that intestinal necrosis occurred in different degrees in the diarrhea group, and that the mucosal epithelium was shed and necrotic, forming erosion, and the clinical manifestation was necrosis. However, the intestinal tissue structure of the normal group was normal. The results revealed that there were significant differences in bacterial communities and structure between the diarrhea and normal groups of four intestinal segments (p < 0.05). In general, 16 bacterial phyla, 144 bacterial genera and 22 metabolic pathways were identified in the two groups. Tax4Fun functional prediction analysis showed that KEGG related to amino acid metabolism and energy metabolism was enriched in the large intestines of rabbits with diarrhea, whereas lipid metabolism was more abundant in the small intestine of rabbits with diarrhea. In conclusion, the change in the relative abundance of the identified dominant microbiota, which could deplete key anti-inflammatory metabolites and lead to bacterial imbalance and diarrhea, resulted in diarrhea in Hyplus rabbits that stopped using antibiotics.
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Affiliation(s)
- Jie Wang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; (J.W.); (W.S.); (X.J.); (S.C.)
| | - Siqi Xia
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China; (S.X.); (H.F.); (J.S.); (T.T.); (L.Y.)
| | - Huimei Fan
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China; (S.X.); (H.F.); (J.S.); (T.T.); (L.Y.)
| | - Jiahao Shao
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China; (S.X.); (H.F.); (J.S.); (T.T.); (L.Y.)
| | - Tao Tang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China; (S.X.); (H.F.); (J.S.); (T.T.); (L.Y.)
| | - Li Yang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China; (S.X.); (H.F.); (J.S.); (T.T.); (L.Y.)
| | - Wenqiang Sun
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; (J.W.); (W.S.); (X.J.); (S.C.)
| | - Xianbo Jia
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; (J.W.); (W.S.); (X.J.); (S.C.)
| | - Shiyi Chen
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; (J.W.); (W.S.); (X.J.); (S.C.)
| | - Songjia Lai
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; (J.W.); (W.S.); (X.J.); (S.C.)
- Correspondence:
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13
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Hu X, Wang F, Yang S, Yuan X, Yang T, Zhou Y, Li Y. Rabbit microbiota across the whole body revealed by 16S rRNA gene amplicon sequencing. BMC Microbiol 2021; 21:312. [PMID: 34758744 PMCID: PMC8579649 DOI: 10.1186/s12866-021-02377-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 10/29/2021] [Indexed: 12/21/2022] Open
Abstract
Background Rabbit can produce meat, fur and leather, and serves as an important biomedical animal model. Understanding the microbial community of rabbits helps to raise rabbits healthily and better support their application as animal models. Results In this study, we selected 4 healthy Belgium gray rabbits to collect the microbial samples from 12 body sites, including skin, lung, uterus, mouth, stomach, duodenum, ileum, jejunum, colon, cecum, cecal appendix and rectum. The microbiota across rabbit whole body was investigated via 16S rRNA gene amplicon sequencing. After quality control, 46 samples were retained, and 3,148 qualified ASVs were obtained, representing 23 phyla and 264 genera. Based on the weighted UniFrac distances, these samples were divided into the large intestine (Lin), stomach and small intestine (SSin), uterus (Uter), and skin, mouth and lung (SML) groups. The diversity of Lin microbiota was the highest, followed by those of the SSin, Uter and SML groups. In the whole body, Firmicutes (62.37%), Proteobacteria (13.44%) and Bacteroidota (11.84%) were the most predominant phyla. The relative abundance of Firmicutes in the intestinal tract was significantly higher than that in the non-intestinal site, while Proteobacteria was significantly higher in the non-intestinal site. Among the 264 genera, 35 were the core microbiota distributed in all body sites. Sixty-one genera were specific in the SML group, while 13, 8 and 1 were specifically found in the Lin, SSin and Uter groups, respectively. The Lin group had the most difference with other groups, there were average 72 differential genera between the Lin and other groups. The functional prediction analysis showed that microbial function within each group was similar, but there was a big difference between the intestinal tracts and the non-intestinal group. Notably, the function of microorganism in uterus and mouth were the most different from those in the gastrointestinal sites; rabbit’s coprophagy of consuming soft feces possibly resulted in little differences of microbial function between stomach and large intestinal sites. Conclusion Our findings improve the knowledge about rabbit microbial communities throughout whole body and give insights into the relationship of microbial communities among different body sites in health rabbits. Supplementary Information The online version contains supplementary material available at 10.1186/s12866-021-02377-x.
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Affiliation(s)
- Xiaofen Hu
- College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi, China
| | - Fei Wang
- College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi, China
| | - Shanshan Yang
- College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi, China
| | - Xu Yuan
- College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi, China
| | - Tingyu Yang
- College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi, China
| | - Yunxiao Zhou
- College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi, China
| | - Yong Li
- College of Animal Science and Technology, Jiangxi Agricultural University, Nanchang, 330045, Jiangxi, China.
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Montes-Vergara DE, Hernndez-Herrera DY, Hurtado-Lugo NA. Genetic parameters of growth traits and carcass weight of New Zealand white rabbits in a tropical dry forest area. J Adv Vet Anim Res 2021; 8:471-478. [PMID: 34722746 PMCID: PMC8520158 DOI: 10.5455/javar.2021.h536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/24/2021] [Accepted: 08/26/2021] [Indexed: 01/04/2023] Open
Abstract
Objective: The objective of this study was to estimate the heritability (h2), repeatability (r), and correlations (rŷiyi) in some traits of zootechnical interest in a population of New Zealand white rabbits of a tropical dry forest area. Materials and Methods: Three mating groups were formed, each one of 1 male and 70 females. The traits evaluated were litter size at birth (LB), born alive (BA), born dead (BD), litter weight born alive (LW), litter weight at weaning (LWW), weaning weight (WW), slaughter weight (SW), and carcass weight (CW). Weaning took place at 42 days, and the fattening phase lasted 60 ± 3 days. A descriptive statistical study was carried out on the study variables. Paternal heritability was estimated (hf2) and maternal (hm2), repeatability, rabbit index IC, and Pearson’s correlations (rŷiyi) between traits. The descriptive statistics showed high variation for the BD traits. Results: The values of the productivity found were similar to those presented in studies around the world. h2 presented magnitudes between low and medium. hf2 ranged between 0.09 and 0.42 and between 0.11 and 0.45 for hm2. In general, the values of hm2 were higher than the values of hf2. The r values for the traits LB, BA, LW, LWW, and SW presented low magnitude, while it was medium for WW and CW. From the values of r, IC was calculated for each of the rabbits, allowing their categorization, which will be used in future selection plans. rŷiyi among the variables ranged from −0.01 to 0.860. They were generally positive and mostly not significant (p > 0.05); they took a magnitude from low to moderate, except for the correlation between LB and BA. Conclusion: The production of rabbits under tropical conditions is similar to other reports. The genetic parameters evaluated were medium-to-low, indicating a robust non-additive gene and/or environmental effect.
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15
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Wang J, Cao H, Bao C, Liu Y, Dong B, Wang C, Shang Z, Cao Y, Liu S. Effects of Xylanase in Corn- or Wheat-Based Diets on Cecal Microbiota of Broilers. Front Microbiol 2021; 12:757066. [PMID: 34721363 PMCID: PMC8548762 DOI: 10.3389/fmicb.2021.757066] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 09/21/2021] [Indexed: 12/31/2022] Open
Abstract
Xylanase has been demonstrated to improve growth performance of broilers fed wheat- or corn-based diets due to its ability to degrade arabinoxylans (AX). However, content and structure of AX in corn and wheat are different, comparing effects of xylanase on cecal microbiota of broilers fed corn- or wheat-based diets could further elaborate the mechanism of the specificity of xylanase for different cereal grains. Thus, a total of 192 one-day-old broilers were randomly allotted into four dietary treatments, including wheat-soybean basal diet, wheat-soybean basal diet with 4,000U/kg xylanase, corn-soybean basal diet, and corn-soybean basal diet with 4,000U/kg xylanase to evaluate interactive effects of xylanase in corn- or wheat-based diets on broilers cecal microbiota during a 6-week production period. The results indicated that bacterial community clustering was mainly due to cereal grains rather than xylanase supplementation. Compared with broilers fed wheat-based diets, corn-based diets increased alpha-diversity and separated from wheat-based diets (p<0.05). Xylanase modulated the abundance of specific bacteria without changing overall microbial structure. In broilers fed wheat-based diets, xylanase increased the abundance of Lactobacillus, Bifidobacterium, and some butyrate-producing bacteria, and decreased the abundance of non-starch polysaccharides-degrading (NSP) bacteria, such as Ruminococcaceae and Bacteroidetes (p<0.05). In broilers fed corn-based diets, xylanase decreased the abundance of harmful bacteria (such as genus Faecalitalea and Escherichia-Shigella) and promoted the abundance of beneficial bacteria (such as Anaerofustis and Lachnospiraceae_UCG_010) in the cecum (p<0.05). Overall, xylanase supplementation to wheat- or corn-based diets improved broilers performance and cecal microbiota composition. Xylanase supplementation to wheat-based diets increased the abundance of butyrate-producing bacteria and decreased the abundance of NSP-degrading bacteria. Moreover, positive effects of xylanase on cecal microbiota of broilers fed corn-based diets were mostly related to the inhibition of potentially pathogenic bacteria, and xylanase supplementation to corn-based diets slightly affected the abundance of butyrate-producing bacteria and NSP-degrading bacterium, the difference might be related to lower content of AX in corn compared to wheat.
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Affiliation(s)
- Jian Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Heng Cao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Chengling Bao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yajing Liu
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Bing Dong
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Chunlin Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Zhenda Shang
- College of Animal Science, Tibet Agricultural and Animal Husbandry University, Linzhi, China
| | - Yunhe Cao
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China.,College of Animal Science, Tibet Agricultural and Animal Husbandry University, Linzhi, China
| | - Suozhu Liu
- College of Animal Science, Tibet Agricultural and Animal Husbandry University, Linzhi, China
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Velasco-Galilea M, Piles M, Ramayo-Caldas Y, Sánchez JP. The value of gut microbiota to predict feed efficiency and growth of rabbits under different feeding regimes. Sci Rep 2021; 11:19495. [PMID: 34593949 PMCID: PMC8484599 DOI: 10.1038/s41598-021-99028-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 09/13/2021] [Indexed: 02/08/2023] Open
Abstract
Gut microbiota plays an important role in nutrient absorption and could impact rabbit feed efficiency. This study aims at investigating such impact by evaluating the value added by microbial information for predicting individual growth and cage phenotypes related to feed efficiency. The dataset comprised individual average daily gain and cage-average daily feed intake from 425 meat rabbits, in which cecal microbiota was assessed, and their cage mates. Despite microbiota was not measured in all animals, consideration of pedigree relationships with mixed models allowed the study of cage-average traits. The inclusion of microbial information into certain mixed models increased their predictive ability up to 20% and 46% for cage-average feed efficiency and individual growth traits, respectively. These gains were associated with large microbiability estimates and with reductions in the heritability estimates. However, large microbiabililty estimates were also obtained with certain models but without any improvement in their predictive ability. A large proportion of OTUs seems to be responsible for the prediction improvement in growth and feed efficiency traits, although specific OTUs taxonomically assigned to 5 different phyla have a higher weight. Rabbit growth and feed efficiency are influenced by host cecal microbiota, thus considering microbial information in models improves the prediction of these complex phenotypes.
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Affiliation(s)
- María Velasco-Galilea
- grid.8581.40000 0001 1943 6646Animal Breeding and Genetics, Institute of Agrifood Research and Technology (IRTA), Caldes de Montbui, 08140 Barcelona, Spain
| | - Miriam Piles
- grid.8581.40000 0001 1943 6646Animal Breeding and Genetics, Institute of Agrifood Research and Technology (IRTA), Caldes de Montbui, 08140 Barcelona, Spain
| | - Yuliaxis Ramayo-Caldas
- grid.8581.40000 0001 1943 6646Animal Breeding and Genetics, Institute of Agrifood Research and Technology (IRTA), Caldes de Montbui, 08140 Barcelona, Spain
| | - Juan P. Sánchez
- grid.8581.40000 0001 1943 6646Animal Breeding and Genetics, Institute of Agrifood Research and Technology (IRTA), Caldes de Montbui, 08140 Barcelona, Spain
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17
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Wu Y, Zhang H, Zhang R, Cao G, Li Q, Zhang B, Wang Y, Yang C. Serum metabolome and gut microbiome alterations in broiler chickens supplemented with lauric acid. Poult Sci 2021; 100:101315. [PMID: 34280650 PMCID: PMC8318919 DOI: 10.1016/j.psj.2021.101315] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 05/31/2021] [Accepted: 06/01/2021] [Indexed: 12/29/2022] Open
Abstract
Antibiotic overuse in poultry husbandry poses a potential threat to meat safety and human health. Lauric acid (LA) is a primary medium-chain fatty acid (MCFA) with a strong antibacterial capacity. The goal of this study was to evaluate the beneficial effects of LA on the growth performance, immune responses, serum metabolism, and cecal microbiota of broiler chickens. One-day-old male Ross 308 broilers were randomly divided into 4 groups: CON, fed a basal diet; ANT, a basal diet supplemented with 75 mg/kg antibiotic; LA500, a basal diet supplemented with 500 mg/kg LA; LA1000, a basal diet supplemented with 1000 mg/kg LA. The feeding period was 42 d. The results showed that LA significantly improved broiler growth and immune functions, as evidenced by increased body weight (BW) and average daily gain (ADG), enhanced intestinal mucosal barrier, upregulated immunoglobulins (IgA, IgM, and IgY), and downregulated inflammatory cytokines (IL-1β, IL-6, TNF-α, IL-4, and IL-10) (P < 0.05). HPLC/MS-based metabolome analysis revealed that the serum metabolites in the LA group differed from those of CON and ANT groups. LA markedly decreased the abundance of phosphatidylcholines (PCs), increased lysophosphatidylcholines (LysoPCs), and inhibited the sphingolipid metabolism pathway, indicating its capacity to modulate lipid metabolism. 16S rRNA sequencing indicated that LA significantly altered cecal microbiota composition by reducing Phascolarctobacterium, Christensenellaceae_R-7_group, and Bacteroides, and increasing Faecalibacterium and Ruminococcaceae_UCG-014 (P < 0.05). Furthermore, Spearman correlation analysis revealed that changes in metabolism and microbiota were highly correlated with the growth and immune indices; strong links were also found between lipid metabolism and microbial composition. Taken together, LA promotes broiler growth and immune functions by regulating lipid metabolism and gut microbiota. The above findings highlight the substantial potential of LA as a supplement in poultry diets and provide a new strategy to reduce antibiotic usage and improve food safety.
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Affiliation(s)
- Yanping Wu
- College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, 311300, Hangzhou, China
| | - Haoran Zhang
- College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, 311300, Hangzhou, China
| | - Ruiqiang Zhang
- College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, 311300, Hangzhou, China
| | - Guangtian Cao
- College of Standardisation, China Jiliang University, 310018, Hangzhou, China
| | - Qing Li
- College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, 311300, Hangzhou, China
| | - Bing Zhang
- College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, 311300, Hangzhou, China
| | - Yongxia Wang
- Key Laboratory of Molecular Animal Nutrition (Zhejiang University), Ministry of Education, 310058, Hangzhou, China
| | - Caimei Yang
- College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, 311300, Hangzhou, China.
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18
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Non-oral Prevotella stepping into the spotlight. Anaerobe 2021; 68:102321. [PMID: 33482304 DOI: 10.1016/j.anaerobe.2021.102321] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 01/12/2021] [Accepted: 01/14/2021] [Indexed: 02/07/2023]
Abstract
Species now affiliated to genus Prevotella have been known for decades as an integral part of human oral cavity microbiota. They were frequently isolated from patients with periodontitis or from dental root canals but also from healthy subjects. With the exception of Prevotella intermedia, they were considered opportunistic pathogens, as they were isolated also from various bacterial abscesses from the head, neck, breast, skin and various other body sites. Consequently, Prevotella were not in the focus of research activities. On the other hand, the four species found in the rumen never caused any disease and seemed early on to be numerous and important part of the rumen ecosystem indicating this genus harbored bacteria with enormously diverse habitats and lifestyles. The purpose of this review is to illustrate the main research themes performed in Prevotella on a path from less noted oral bacteria and from hard to cultivate and study rumen organisms to important mutualistic bacteria in guts of various mammals warranting major research efforts.
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Effect of host breeds on gut microbiome and serum metabolome in meat rabbits. BMC Vet Res 2021; 17:24. [PMID: 33413361 PMCID: PMC7791989 DOI: 10.1186/s12917-020-02732-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Accepted: 12/22/2020] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Gut microbial compositional and functional variation can affect health and production performance of farm animals. Analysing metabolites in biological samples provides information on the basic mechanisms that affect the well-being and production traits in farm animals. However, the extent to which host breeds affect the gut microbiome and serum metabolome in meat rabbits is still unknown. In this study, the differences in phylogenetic composition and functional capacities of gut microbiota in two commercial rabbit breeds Elco and Ira were determined by 16S rRNA gene and metagenomic sequencing. The alternations in serum metabolome in the two rabbit breeds were detected using ultra-performance liquid chromatography system coupled with quadrupole time of flight mass spectrometry (UPLC-QTOFMS). RESULTS Sequencing results revealed that there were significant differences in the gut microbiota of the two breeds studied, suggesting that host breeds affect structure and diversity of gut microbiota. Numerous breed-associated microorganisms were identified at different taxonomic levels and most microbial taxa belonged to the families Lachnospiraceae and Ruminococcaceae. In particular, several short-chain fatty acids (SCFAs) producing species including Coprococcus comes, Ruminococcus faecis, Ruminococcus callidus, and Lachnospiraceae bacterium NK4A136 could be considered as biomarkers for improving the health and production performance in meat rabbits. Additionally, gut microbial functional capacities related to bacterial chemotaxis, ABC transporters, and metabolism of different carbohydrates, amino acids, and lipids varied greatly between rabbit breeds. Several fatty acids, amino acids, and organic acids in the serum were identified as breed-associated, where certain metabolites could be regarded as biomarkers correlated with the well-being and production traits of meat rabbits. Correlation analysis between breed-associated microbial species and serum metabolites revealed significant co-variations, indicating the existence of cross-talk among host-gut microbiome-serum metabolome. CONCLUSIONS Our study provides insight into how gut microbiome and serum metabolome of meat rabbits are affected by host breeds and uncovers potential biomarkers important for breed improvement of meat rabbits.
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Cotozzolo E, Cremonesi P, Curone G, Menchetti L, Riva F, Biscarini F, Marongiu ML, Castrica M, Castiglioni B, Miraglia D, Luridiana S, Brecchia G. Characterization of Bacterial Microbiota Composition along the Gastrointestinal Tract in Rabbits. Animals (Basel) 2020; 11:ani11010031. [PMID: 33375259 PMCID: PMC7824689 DOI: 10.3390/ani11010031] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 12/26/2022] Open
Abstract
The microbiota is extremely important for the animal's health, but, to date, knowledge on the intestinal microbiota of the rabbit is very limited. This study aimed to describe bacterial populations that inhabit the different gastrointestinal compartments of the rabbit: stomach, duodenum, jejunum, ileum, caecum, and colon. Samples of the luminal content from all compartments of 14 healthy New White Zealand rabbits were collected at slaughter and analyzed using next generation 16S rRNA Gene Sequencing. The findings uncovered considerable differences in the taxonomic levels among the regions of the digestive tract. Firmicutes were the most abundant phylum in all of the sections (45.9%), followed by Bacteroidetes in the large intestine (38.9%) and Euryarchaeota in the foregut (25.9%). Four clusters of bacterial populations were observed along the digestive system: (i) stomach, (ii) duodenum and jejunum, (iii) ileum, and (iv) large intestine. Caecum and colon showed the highest richness and diversity in bacterial species, while the highest variability was found in the upper digestive tract. Knowledge of the physiological microbiota of healthy rabbits could be important for preserving the health and welfare of the host as well as for finding strategies to manipulate the gut microbiota in order to also promote productive performance.
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Affiliation(s)
- Elisa Cotozzolo
- Department of Agricultural, Food and Environmental Sciences, University of Perugia, Borgo XX Giugno 74, 06121 Perugia, Italy;
| | - Paola Cremonesi
- Institute of Agricultural Biology and Biotechnology (IBBA)—National Research Council (CNR), U.O.S. di Lodi, Via Einstein, 26900 Lodi, Italy; (P.C.); (F.B.); (B.C.)
| | - Giulio Curone
- Department of Veterinary Medicine, University of Milano, Via dell’Università 6, 26900 Lodi, Italy; (G.C.); (M.C.)
| | - Laura Menchetti
- Department of Agricultural and Food Sciences, University of Bologna, Viale G. Fanin 44, 40137 Bologna, Italy;
| | - Federica Riva
- Department of Veterinary Medicine, University of Milano, Via dell’Università 6, 26900 Lodi, Italy; (G.C.); (M.C.)
- Correspondence: (F.R.); (G.B.); Tel.: +39-02503-34519 (F.R.); Tel.: +39-02-50334583 (G.B.)
| | - Filippo Biscarini
- Institute of Agricultural Biology and Biotechnology (IBBA)—National Research Council (CNR), U.O.S. di Lodi, Via Einstein, 26900 Lodi, Italy; (P.C.); (F.B.); (B.C.)
| | - Maria Laura Marongiu
- Department of Veterinary Medicine, University of Sassari, Via Vienna, 2, 07100 Sassari, Italy; (M.L.M.); (S.L.)
| | - Marta Castrica
- Department of Veterinary Medicine, University of Milano, Via dell’Università 6, 26900 Lodi, Italy; (G.C.); (M.C.)
| | - Bianca Castiglioni
- Institute of Agricultural Biology and Biotechnology (IBBA)—National Research Council (CNR), U.O.S. di Lodi, Via Einstein, 26900 Lodi, Italy; (P.C.); (F.B.); (B.C.)
| | - Dino Miraglia
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy;
| | - Sebastiano Luridiana
- Department of Veterinary Medicine, University of Sassari, Via Vienna, 2, 07100 Sassari, Italy; (M.L.M.); (S.L.)
| | - Gabriele Brecchia
- Department of Veterinary Medicine, University of Milano, Via dell’Università 6, 26900 Lodi, Italy; (G.C.); (M.C.)
- Correspondence: (F.R.); (G.B.); Tel.: +39-02503-34519 (F.R.); Tel.: +39-02-50334583 (G.B.)
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Fang S, Chen X, Ye X, Zhou L, Xue S, Gan Q. Effects of Gut Microbiome and Short-Chain Fatty Acids (SCFAs) on Finishing Weight of Meat Rabbits. Front Microbiol 2020; 11:1835. [PMID: 32849435 PMCID: PMC7431612 DOI: 10.3389/fmicb.2020.01835] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 07/13/2020] [Indexed: 12/12/2022] Open
Abstract
Understanding how the gut microbiome and short-chain fatty acids (SCFAs) affect finishing weight is beneficial to improve meat production in the meat rabbit industry. In this study, we identified 15 OTUs and 23 microbial species associated with finishing weight using 16S rRNA gene and metagenomic sequencing analysis, respectively. Among these, butyrate-producing bacteria of the family Ruminococcaceae were positively associated with finishing weight, whereas the microbial taxa related to intestinal damage and inflammation showed opposite effects. Furthermore, interactions of these microbial taxa were firstly found to be associated with finishing weight. Gut microbial functional capacity analysis revealed that CAZymes, such as galactosidase, xylanase, and glucosidase, could significantly affect finishing weight, given their roles in regulating nutrient digestibility. GOs related to the metabolism of several carbohydrates and amino acids also showed important effects on finishing weight. Additionally, both KOs and KEGG pathways related to the membrane transportation system and involved in aminoacyl-tRNA biosynthesis and butanoate metabolism could act as key factors in modulating finishing weight. Importantly, gut microbiome explained nearly 11% of the variation in finishing weight, and our findings revealed that a subset of metagenomic species could act as predictors of finishing weight. SCFAs levels, especially butyrate level, had critical impacts on finishing weight, and several finishing weight-associated species were potentially contributed to the shift in butyrate level. Thus, our results should give deep insights into how gut microbiome and SCFAs influence finishing weight of meat rabbits and provide essential knowledge for improving finishing weight by manipulating gut microbiome.
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Affiliation(s)
- Shaoming Fang
- College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Xuan Chen
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Xiaoxing Ye
- College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Liwen Zhou
- College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Shuaishuai Xue
- College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Qianfu Gan
- College of Animal Science, Fujian Agriculture and Forestry University, Fuzhou, China
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