The distal intestinal microbiome of hybrids of Hainan black goats and Saanen goats

Abstract

Intestinal microbiota performed numerous important functions during digestion. The first filial generation (F1) hybrids of Hainan black goats and Saanen goats had different traits, black goats (BG) and white goats (WG), which also brought different production performance. We explored the difference of gut microbiota between black goats and white goats that both belonged to the first filial generation (F1) hybrids. In general, the alpha diversity of the black goat group was significantly higher than the white goat group. The species richness had no significant difference, while the species evenness of BG was higher than WG. Bacteroides, Oscillospira, Alistipes, Ruminococcus, Clostridium and Oscillibacter, as the core gut microbial genera, all had high abundance in BG and WG group. Only the Bacteroides and Bacteroidaceae 5-7N15 were the different genera between the BG and WG group, of which Bacteroides overlapped with the core genera and enriched in the WG group. Besides, PICRUSt analysis showed that there was a high abundance in the secondary metabolic pathways including membrane transport, replication and repair, carbohydrate metabolism and amino acid metabolism. We found the intestinal microbial species of black goats and white goats were very similar for living in the identical growing environment and feeding conditions, but there was still a slight difference in the content. On the one hand, it was proved that the small effect of genotype and the great effect of diet affected the intestinal microbiota together. On the other hand, it was also proved that these different traits of first filial generation (F1) hybrids may not related to gut microbiota and only because of different genotype. Moreover, characterization of the gut microbiota in BG and WG will be useful in goats gut microbiota research. , et al. (2020) The distal intestinal microbiome of hybrids of Hainan black goats and Saanen goats. PLoS ONE 15(1): e0228496. https://

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