1 general disease prevention and treatment drugs;
2 infectious disease prevention and treatment drugs;
3 in vivo, ectoparasite control drugs;
4 (including growth promoting drugs).
In addition to biochemical immunological products (bacteria, vaccines, serum, antitoxins and toxoids) for the prevention and treatment of infectious diseases, as well as special veterinary drugs such as special parasitic diseases and growth-promoting medicines for livestock and poultry, the rest are the same as humans, except for the dose. The dosage form and specifications are different. It has long been widely used to control livestock diseases.