Prevention of psoroptosis of sheep in Dagestan Republic in winter

Abstract

Relevance. Sheep breeding in Dagestan has its own distinctive features compared to other regions, territories and republics of our country. They are associated with extremely diverse natural and climatic conditions of various geographical zones of the republic. Currently, preventive measures against psoroptosis of sheep and goats in the Caspian region of Russia are carried out by practitioners and workers of farms of various forms of ownership using outdated acaricidal agents of past generations. The main peak of psoroptosis of sheep in the Republic of Dagestan falls on the autumn-spring period — from November to mid-December and from March to May. At this time, bathing activities are not possible, the injection method is not always convenient, especially taking into account pregnant queens and young animals, spraying is ineffective and carries the risk of hypothermia of animals. It follows from the above that the search for acaricidal agents capable of preventing psoroptosis of sheep in winter on the territory of the Caspian region of Russia is of great scientific and practical importance.Results. The experimental data obtained allow us to conclude that the preventive use of the acaricidal agent Delcid 7.5 in a dosage of 10 ml per 50 kg of live weight provides protection against Psoroptes ovis for up to 23 days, Sanofly — up to 18, which is 5 days less. Delcid 7.5 turned out to be 10% more effective in acaricidal action, as well as in the number of new lesions on average per animal with an indicator of 1, whereas after Sanoflaya, this indicator reached 2 after 23 days of the experiment. The reasons for the results obtained are various main active substances and their acaricidal effect against the Psoroptes ovis tick, in Delcid 7.5 it is deltametrin, in Sanoflaya it is cyflutrin.