Pathogenesis analysis of metabolic disease in dairy cows and prevention and control effect of plant extracts
Dairy cows are prone to various diseases in the process of breeding,which greatly restricts the development of breeding industry.Plant extract has the advantages of natural,green,little toxic and side effects,which has attracted wide attention in feed industry.As a feed additive with a wide range of sources and containing a variety of bioactive substances such as alkaloids,saponins,tannins and polysaccharides,plant extracts have special bioregulatory effects such as anti-oxidation,anti-stress,improving immunity and improving intestinal health,and have broad application prospects in dairy farming.This paper reviewed the regulation of plant extracts on common diseases of dairy cows,aimed to provide reference for the research and practical production of plant extracts in dairy cow diseases.