Dataset Information

Relationship between the True Digestibility of Dietary Calcium and Gastrointestinal Microorganisms in Goats.

ABSTRACT: The current study was performed to examine the relationship between the true digestibility of calcium (TDC) in the diet and bacterial community structure in the gastrointestinal tract (GIT) of goats. Twenty-six Nubian healthy female goats were selected as experimental animals, and their TDC was determined using metabolic experiments. Eight goats were grouped into the high digestibility of Calcium (HC) phenotype, and another eight were grouped into the low digestibility of Calcium (LC) phenotype. Their bacterial 16S rRNA gene amplicons from the rumen, abomasum, jejunum, cecum, and colon contents were sequenced using next-generation high-throughput sequencing technology. In the rumen, 239 genera belonging to 23 phyla, 319 genera belonging to 30 phyla in the abomasum, 248 genera belonging to 36 phyla in the jejunum, 248 genera belonging to 25 phyla in the colon and 246 genera belonging to 23 phyla in the cecum were detected. In addition, there was a significant correlation between the TDC and the relative abundance of Candidatus_Saccharimonas, Christensenellaceae_R-7_group, Mogibacterium, Prevotella_1, Prevotella_UCG_004, Ruminococcus_2, Saccharibacteria in the rumen, Eubacterium_coprostanoligens_group, Lachnospiraceae_ND3007_group, Lachnospiraceae_NK3A20_group, p-1088-a5_gut_group, and Planctomycetes in the abomasum, Butyrivibrio in the cecum, and Fibrobacter in the cecum were observed. This study suggests an association of GIT microbial communities as a factor influencing TDC in goats.

SUBMITTER: Liu Y

PROVIDER: S-EPMC7278491 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Relationship between the True Digestibility of Dietary Calcium and Gastrointestinal Microorganisms in Goats.

Liu Yuehui Y Shah Ali Mujtaba AM Wang Lizhi L Jin Lei L Wang Zhisheng Z Xue Bai B Peng Quanhui Q

Animals : an open access journal from MDPI 20200518 5

The current study was performed to examine the relationship between the true digestibility of calcium (TDC) in the diet and bacterial community structure in the gastrointestinal tract (GIT) of goats. Twenty-six Nubian healthy female goats were selected as experimental animals, and their TDC was determined using metabolic experiments. Eight goats were grouped into the high digestibility of Calcium (HC) phenotype, and another eight were grouped into the low digestibility of Calcium (LC) phenotype. ...[more]

PMID: 32443450

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Project description:Fecal scores are crucial for assessing the digestive and gastrointestinal status of animals. The Bristol fecal scoring system is a commonly used method for the subjective evaluation of host feces, there is limited research on fecal scoring standards for fattening Hu sheep. In this study, Hu sheep were collected for rumen, rectum, and colon contents for 16S rDNA sequencing. 514 Hu sheep feces were scored based on the Bristol fecal scoring system, and production performance at each stage was measured. Finally, we developed the scoring standard of the manure of Hu sheep in the fattening period (a total of five grades). The result shows that moisture content significantly increased with higher grades (p < 0.05). We analyzed the relationship between fecal scores and production traits, blood indices, muscle nutrients, and digestive tract microorganisms. The growth traits (body weight, body height, body length, average daily gain (ADG), and average daily feed intake (ADFI) during 80-180 days), body composition traits of the F3 group, and the carcass traits were found to be significantly higher (p < 0.05) than those of the F1 and F2 groups. There was no significant difference in gastrointestinal microflora diversity among all groups (p > 0.05). Significant differences were observed in Aspartate aminotransferase, Glucose, Total bilirubin, and Red Blood Cell Count between groups (p < 0.05). The mutton moisture content in group F4 was significantly higher than in the other groups, and the protein content was also the lowest (p < 0.05). The results of the correlation analysis demonstrated that Actinobacteria, Peptostreptococcaceae, Acidaminococcales, Gammaproteobacteria, and Proteobacteria were the significant bacteria affecting fecal scores. In addition, Muribaculaceae and Oscillospiraceae were identified as the noteworthy flora affecting growth performance and immunity. This study highlights the differences in production traits and blood indicators between fecal assessment groups and the complex relationship between intestinal microbiota and fecal characteristics in Hu sheep, suggesting potential impacts on animal performance and health, which suggest strategies for improved management.

Dataset Information

Relationship between the True Digestibility of Dietary Calcium and Gastrointestinal Microorganisms in Goats.

Publications

Relationship between the True Digestibility of Dietary Calcium and Gastrointestinal Microorganisms in Goats.

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