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Objective of research: to study of the efficiency of the insecticacaricide “Elvetran SC 5%” in psoroptosis of cattle. Materials and methods: For the experiments 55 calves at the age of one year with clinical signs of psoroptosis were used. The experimental group of animals was treated with an aqueous emulsion of elvetron SC 5% in a dilution of 1 ml per 1000 ml of water, twice, control animals were not treated. Results and discussion: It was found that the efficiency of the drug “Elvetran SC 5%” with psoroptosis of cattle in a dilution of 1 ml per 1000 ml of water was 100%. In the control group, the extent of invasion remained at the same level. Negative effects of drugs on the body of animals have not been established.