Application of praziquatel and ivermectin suspension when treating dictyocaulosis in sheep

Abstract

Dictyocaulosis in sheep is widespread and causes significant economic damage. Currently, albendazole and fenbendazole are widely used in sheep farming. They have shown high effectiveness against nematodes and cestodes simultaneously. However, a long period of use of the same anthelmintics, led to the expected phenomenon – resistance of helminths. In the Stavropol Territory, ivermectin preparations are used to control the nematode of the gastrointestinal tract and sheep gadfly (June-July) and in rare cases to treat sarcoptoidosis of sheep. The purpose of the work was to determine the effectiveness of the suspension we prepared, which contained 2.5% praziquantel and 0.5% ivermectin for treating sheep dictyocaulosis. The experiment to determine the therapeutic dose of praziquantel 2.5% and 0.5% ivermectin suspension was carried out in the APC collective breeding farm “Russia” on lambs with a live weight of 24-25 kg. For each group of sheep (n=20), the suspension was used in doses of 0.3; 0.4; 0.5 ml/10 kg of animal weight. It was found that the suspension of praziquantel 2.5% and 0.5% ivermectin at a dose of 0.4 ml/10 kg of animal weight was 100% effective against dictyocaulosis in sheep. The experiment to determine the effectiveness of the suspension against dictyocaulosis in sheep under production conditions was carried out in the collective farm “Rodina” in Apanasenkovsky District of the Stavropol Territory. 120 lambs with a live weight of 24-25 kg were selected, 100 lambs of which received the drug at a dose of 0.4 ml/10 kg of animal weight. The drug was administered individually, orally. The remaining 20 lambs served as control group. In production tests, the effectiveness of the suspension at a dose of 0.4 ml/10 kg of animal weight turned out to be slightly lower and amounted to individual performance = 98.0% and economical effectiveness = 92.5%.