Objective The treatment of diarrhea was observed through anti-human rotavirus bovine immunoglobulin studies and the administrating gastrointestinal tract of infected pigs.Methods The γ-globulin oral liquid was prepared from blood of healthy fattened oxen which had been vaccined by antigen of human rotovirus (HRV-Wa).Results 1ml of the γ-globulin oral liquid contained 52mg γ-globulin and had 80% of purity and its neutral antibody efficiency reached to 1:16384. The initial studies show that the oral liquid wa...