Vet One Vetrimec 1% (Ivermectin) for Cattle & Swine - Parasiticide for Treatment & Control of Parasites - 50ml Parasiticide for treatment and control of internal and external parasites in cattle and swine For gastrointestinal roundworms, lungworms, grubs, sucking lice and mange mites Subcutaneous injection is given just under the skin Product is not approved for sale in California