ORGANOPATHOLOGY OF BRONCHOPNEUMONIA IN CALVES

The statistical data on the incidence of bronchopneu-monia in Simmental calves were collected and analyzed farm AO “Imeni Gastello”, Khabarskiy District Altai Region. This disease is widespread among young animals. Most often, bronchopneumonia caused by bacterial microflora; frequently associated with a violation veterinary hygiene requirements. danger for animals lies fact that not only lungs are affected, but also entire bronchi. After analyzing at livestock complex according to information registration log, was detected 967 age 4-6 months from 2017 through 2020. In 2020, largest number (221 heads) affected. According study, high observed October April each year; 2019, outbreak broncho-pneumonia recorded (60 heads). spring summer, occa-sionally, or there no cases all. Bull-calves more often affected disease; cow-calves re-sistant this disease. There loss cattle 2019; 4 died. Simmen-tal treated Streptomycinand Mucaltin. As prevention, it advised follow requirements young-stock barns decontaminate manure litter.