Durvet Parasiticide for the treatment and control of internal and external parasites of cattle and swin- Effective against a wide range of external and internal parasites in beef cattle and swine Single, small volume dose required Causes paralysis and death of parasites and helps prevent reinfection 250 mL Also available in 50 mL and 500 mL www.nrsworld.com/all-products/browse/keyword/ivermectin-injectable/brand/durvet 001-11017 Ivermectin Injection 1% Sterile Solution is a parasiticide for the treatment and control of internal and external parasites of cattle and swine.Cattle: Ivermectin Injection is indicated for the effective treatment and control of harmful species of gastrointestinal roundworms, lungworms, grubs, sucking lice, and mange mites in cattle.Swine: Ivermectin Injection is indicated for the effective treatment and control of harmful species of gastrointestinal roundworms, lungworms, lice, and mange mites in swine.Special Minor Use: Reindeer and American Bison (See insert for additional information).