This product is an antibiotic agent, which is active against nematodes , insects, mites and the like. Injection and tablet made from the product are indicated for the treatment of gastrointestinal nematodes, hyproderma bovis, hyproderma lineatum, sheep nose bot, psoroptes ovis, sarcoptes scabiei Var suis, sarcoptes ovis and the like. Recommended dosage:0.2-0.3mg/kg b.w. avermectin. The product may be formulated as an insecticide and miticide cabbage worm, leaf-miners, psylla, nematodes and the like.