For cattle and sheep ivermectin powder for horses, ivermectin is administered orally or subcutaneously at 0.2 mg/kg to cattle and sheep. Nematodes, nematodes, nematodes, trichomoniasis, esophagus nematodes, reticulate nematodes, and Chabert nematodes adults and 4th stage larvae, and the deworming rate is 97% to 100%. The above doses are also very effective against arthropods: such as fly maggots (hidefly, stripe-fly, goatfly), mites (cattle scabies, prurigo) and lice (bovine palatal louse, bovine blood louse and sheep palatal louse) Wait. ivermectin powder for horses is less effective against chewing louse (Liceus spp.) and sheep tick flies.