Journal
ARCHIVES OF MICROBIOLOGY
Volume 204, Issue 12, Pages -Publisher
SPRINGER
DOI: 10.1007/s00203-022-03333-7
Keywords
Food composition; Gut microbiota diversity; High-throughput sequencing technology; Mandarin duck
Categories
Funding
- Guizhou Provincial Science and Technology Foundation [Qiankehe jichu[2020] 1Y080]
- National Natural Science Foundation of China [U1812401, 31801990, 32160126]
- Karst Science Research Center of Guizhou province [U1812401]
- College-county cooperation project [11904/0518168]
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The composition of the diet significantly affects the structure and diversity of the gut microbiota in mandarin ducks. Mandarin ducks with more diverse diets have a more complex gut microbiota with fewer pathogenic bacteria.
The animal gut is a dynamic ecosystem. Many factors affect the structure and diversity of the gut microbiota, among which the composition of the diet is a direct determinant. To investigate the effect of dietary components on the gut microbiota of mandarin duck, nine fecal samples were collected from two foraging sites at Shiqian Mandarin Duck Lake National Wetland Park, Guizhou, China. We analyzed the chloroplast rbcL gene, mitochondrial COI gene, and 16S rRNA gene from the total DNA of the fecal samples by high-throughput sequencing to identify plant and animal components of the diet and the composition of the gut microbiota of mandarin duck. We found that the gut microbiota composition was significantly correlated with the number of species in the diet. Mandarin ducks with more diverse diets had a more complex gut microbiota with fewer pathogenic bacteria. This study provides further theoretical support for the effect of dietary differences on the structure of the host gut microbiota and clarifies the feeding preferences of mandarin duck in breeding areas.
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