首页|Rumen microbiota succession throughout the perinatal period and its association with postpartum production traits in dairy cows:A review
Rumen microbiota succession throughout the perinatal period and its association with postpartum production traits in dairy cows:A review
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The transition period for dairy cows usually refers to the 3 weeks pre-calving to the 3 weeks post-calving.During this period,dairy cows undergo metabolic and physiological adaptations because of their sus-ceptibility to metabolic and infectious diseases.Poor feeding management under these circumstances may adversely affect the health and subsequent production performance of the cows.Owing to long-term adaptation and evolution,the rumen has become a unique ecosystem inhabited by a complex microbial community closely associated with its natural host.Dietary components are metabolized by the rumen microbiota,and volatile fatty acids and microbial protein products can be used as precursor substances for synthesizing meat and milk components.The successful transition of perinatal dairy cows includes changes in diet,physiology,and the rumen microbiota.Rumen microbial profiles have been confirmed to be heritable and repairable;however,adverse circumstances affect rumen microbial composition,host digestion and metabolism,as well as postpartum production traits of dairy cows for a certain period.Preliminary evidence indicates a close relationship between the rumen microbiota and animal performance.Therefore,changes in rumen microbes during the transition period and the intrinsic links between the microbiota and host postpartum phenotypic traits need to be better understood to optimize production performance in ruminants.
State Key Laboratory of Animal Nutrition and Feeding,Institute of Animal Sciences,Chinese Academy of Agricultural Sciences,Beijing 100193,China
Anhui Key Laboratory of Livestock and Poultry Product Safety Engineering,Institute of Animal Husbandry and Veterinary Medicine,Anhui Academy of Agricultural Sciences,Hefei 230031,China
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