Obtaining hyperimmune polyvalent serum against acute respiratory intestinal infections of cattle

The aim of our research was to test an experimental scheme of hyperimmunization of producing animals with subsequent determination of antibody titers in blood serum. The results of the studies showed that the hyperimmune serum obtained from producing animals, using market vaccines against IRT, PG-3, VD, colibacteriosis, salmonellosis, pasteurellosis contains a sufficiently high titer of antibodies that allows using this drug for passive prevention and treatment of these diseases, which are quite common in young cattle.