Dairy calf diarrhea,which has high incidence and high mortality, is one of major diseases to affect sustainable development of the industry. Huangbai Liquid was used to treat calves humid heat diarrhea with a good clinical effect, which was developed by diagnosis and treatment and reasonable combination according to the theory of traditional Chinese veterinary medicine, modern veterinary science research and study on dairy calf diarrhea’s etiology, pathogenesis, pathology, diagnosis and treatment. T...