Immune response to combined Foot and Mouth Disease, Haemorrhagic Septicaemia and Black Quarter vaccine and to their respective individual vaccine were studied. Combined vaccine performance is equally good as that of individual vaccine. Combined vaccine reduces labour cost for injection, number of visit and stress to the animals to a very great extent. Therefore combined vaccine may be preferred when compared to individual vaccine. Это и многое другое вы найдете в книге Immune response to combined versus monovalent vaccines in cattle (K. Rajkumar and M. R. Saseendranath)