Chinese Journal of Animal Nutrition >
Research Progress on Impacts of Gastrointestinal Microbiota and Host-Microbe Interactions on Dairy Cow Feed Efficiency
Received date: 2024-10-12
Online published: 2025-04-15
Feed efficiency is a critical economic indicator in the dairy industry, directly affecting the cost of breeding and economic benefits. In dairy cows, the host genotype regulates digestive enzyme activity and metabolic pathways, thereby directly affecting feed efficiency. The gastrointestinal microbiota significantly affects nutrient absorption and intestinal health in dairy cows, with its composition and function affected by factors like diet, host genetics, and environment. Moreover, studies increasingly highlight the role of host genetics in shaping the gastrointestinal microbiota of humans and animals, offering insights through host-derived molecules for host-microbe interactions. Examining the interplay between host genetics and the microbiota is crucial for enhancing dairy cow feed efficiency. This article reviewed the research progress on how dairy cow genetic characteristics, gastrointestinal microbiota structure, and host-microbe interactions influence feed efficiency, aiming to deepen our understanding of these factors and inspire new research into the genetics and regulatory mechanisms underlying dairy cow feed efficiency.
Key words: feed efficiency; microbiota; interaction; host genetic; genotype
ZHAO Zhifei , XU Hongjian , LI Jianguo , GAO Yanxia . Research Progress on Impacts of Gastrointestinal Microbiota and Host-Microbe Interactions on Dairy Cow Feed Efficiency[J]. Chinese Journal of Animal Nutrition, 2025 , 37(4) : 2189 -2199 . DOI: 10.12418/CJAN2025.186
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