期刊
JOURNAL OF ANIMAL PHYSIOLOGY AND ANIMAL NUTRITION
卷 103, 期 5, 页码 1374-1379出版社
WILEY
DOI: 10.1111/jpn.13154
关键词
buffalo; high-throughput sequencing; milk yield; ruminal bacteria; ruminal fermentation
资金
- National Natural Science Foundation of China [31160470, 2012GXNSFDA053012]
- Guangxi Natural Science Foundation
The ruminal microbiota of 15 dairy buffalo was characterized using high-throughput 16S rRNA gene amplicon sequencing. Results showed that Bacteroidetes was the dominant bacterial phylum in all rumen samples, followed by Firmicutes, Proteobacteria, Tenericutes and Verrucomicrobia. Butyrivibrio was positively correlated with average milk fat yield (R = 0.55; p = 0.03), average milk total solid yield (R = 0.56; p = 0.03) and standard milk yield (R = 0.52; p = 0.05). Acinetobacter were positively correlated with average milk protein yield (R = 0.56; p = 0.03), average milk total solid yield (R = 0.60; p = 0.02) and standard milk yield (R = 0.57; p = 0.03). Acetobacter was positively correlated with acetate (R = 0.63; p = 0.01), propionate content (R = 0.55; p = 0.03), butyrate content (R = 0.61; p = 0.02) and total VFA (R = 0.62; p = 0.01). The phyla Proteobacteria (R = 0.53; p = 0.04) and genus Prevotella (R = 0.52; p = 0.05) were positively correlated with butyrate content. Correlation analysis suggested that increased Butyrivibrio and Acinetobacter residing in the buffalo rumen could improve milk performance.
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