ivermectin powder for animals Mainly used for repelling adults and larvae of gastrointestinal parasites of poultry and aquatic products, lung nematodes, roundworms, hookworms, hyacinths, tapeworms, whipworms, Echinococcus granulosus, lung flukes, liver flukes, and Osohni Nematodes, Heterospiniae, etc., ivermectin powder for animals can simultaneously repel multiple parasites of mixed infections.