The proposed subject of the concept of General Parasitology, gelmintologii, imagology, protozoology and entomology. Their origin, classification, impact on animals, epidemic features, distribution and economic damage to the national economy are discussed. The course manual contains detailed information about the most common invasive diseases. And also there are methods of detection, treatment, organization of veterinary and sanitary measures, antituberculosis drugs and methods of their application. The manual is intended for students, postgraduates and specialists of agriculture, veterinarians and veterinarians.