EN
The efficacy of Cydectin (Cyanamid production) was examined in cattle and sheep naturally infested with Psoroptes ovis, Haematopinus eurysternus, Hypoderma bovis and gastro-intestinal nematodes. Cydectin was used subcutaneously at a dose of 0.2 mg/kg b.w. The efficacy of Cydectin against ectoparasites was 100% and against gastro-intestinal nematodes — 96.5%.