The monograph was written within the framework of the scientific program BR10965224 "Development of the inventory of the fauna of the Northern Tien Shan to
preserve its genetic diversity". The monograph summarizes the authors' own long-term research and the scattered data available in the literature on parasitosis of productive and wild animals of the Northern Tien Shan. The definition of the disease, information about the pathogen, diagnosis and differential diagnosis are given. The characteristic clinical signs and pathoanatomic changes observed in sick animals are described in detail. A large place is devoted to preventive and curative measures carried out in hunting and farming farms, as well as new means and methods of treating sick animals. The book is intended for undergraduates, doctoral students, veterinarians, animal husbandry technologists, hunters, epizootologists, parasitologists and teachers. Keywords: animals, sheep, goats, cattle, argali, roe deer, mountain goat, protozooses, trematodes, cestodoses, nematodes, entomoses.