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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.

The purpose of the research is to analyze situation with control measures against animals with ectoparasitoses by the means of bringing environmentally safe and easy to use medicinal products to animal industry. Materials and methods. Literature has been studied and situation on extension of the major parasitic arthopods in animals have been analyzed in the Republic of Belarus. Evaluation of results of administration of Stomozan, Ektocin-5, Ratoks, Pharmacidol-600 as well as Rivertin, Univerm, aversectin paste and Pharmacine. Results and discussion. It is necessary to carry out disinfestation of outer walls, summer sheds, fences by the means of Stomozan, Ektocin-5, Ratoks, Pharmacidol-600 in order to eliminate parasitic insects and mites. Animals might be treated by these drugs. During the winter animals are treated by insect-powder, unctures, liniments. At the onset of warm weather animals are treated by liquid acaricides at all times. Drugs from the pyrethroids, macrocyclic lactone, organic sulphur-containing compound groups are administered more frequent. But summer spraying do not guarantee 100 % impact against gadfly diseases. For horse treatment Rivertin can be used in the dose of 0.1 mg per kg of animal body weight per os with food dualfold in 24 hours; Univerm can be used in the dose of 0.1 mg per kg per os with food dualfold in 24 hours; 2% Aversectin paste can be used in the dose of 1 g per 100 kg of body weight per os dualfold every other day. Pharmacine in the single dose of 0.4 ml (2 injections of 0.2 ml) intradermally in the neck is recommended to use for treatment of hypodermatosis. Intradermal administration of Pharmacine is effective during the period from September, 15 to March (as far as swellings are appeared under the skin). If larvae formed velum under the skin, the dose should be increased.