This dewormer is an ivermectin/clorsulon based parasiticide for the effective treatment of a wide range of internal and external parasites of beef and non-lactating dairy cattle, including control of adult liver flukes. All the benefits of an ivermectin injection, plus control of adult liver flukes with a single injection Parasite control including liver flukes, gastrointestinal roundworms, lungworms, grubs, sucking lice and mange mites Reliable anti-parasiticide activity which improves performance Proven, effective infection control as well as protection from reinfection from certain worm species (see product label) Dosage: Inject 1 ml subcutaneously per 110 lbs body weight. **Not available for sale or shipment to California residents. **Warning! Not safe or approved for human use, which could cause severe personal injury or death.