Chinese Journal of Animal Nutrition >
Potential Mechanisms by Which Gut Microbiota-Mediated Secondary Bile Acids Regulate Nutritional Metabolic Diseases in Dairy Cows
Received date: 2025-04-23
Online published: 2025-12-13
Nutritional metabolic diseases in dairy cows, serving as a critical bottleneck constraining the sustainable development of dairy farming, exhibit pathological mechanisms closely associated with gut microbiota-mediated secondary bile acid metabolism. Secondary bile acids are metabolic derivatives transformed from primary bile acids through gut microbiota processing, playing pivotal roles in host nutrient metabolism and immune regulation. This review summarizes the biosynthetic pathways of secondary bile acids, delineates the interplay between bovine gastrointestinal microbiota and secondary bile acid metabolism, and specifically focuses on the mechanistic actions of secondary bile acids in modulating key nutritional metabolic disorders including fatty liver disease, ketosis, ruminal acidosis and postpartum paralysis, to provide a theoretical basis for nutritional intervention strategies of nutritional metabolic diseases in dairy cows.
WANG Feifei , MAO Yongxia , QIAO Guoyang , GUO Yansheng . Potential Mechanisms by Which Gut Microbiota-Mediated Secondary Bile Acids Regulate Nutritional Metabolic Diseases in Dairy Cows[J]. Chinese Journal of Animal Nutrition, 2025 , 37(12) : 8075 -8082 . DOI: 10.12418/CJAN2025.657
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