Preventive measures Young animals slowly develop immunity to lung-worms if they are not overwhelmed by the initial exposure. Pasture management measures should be designed to minimize early exposure. In addition to the practice of pasture rotation, young animals should not be allowed access to heavily contaminated areas. Well drained pastures will minimize the number of infective lungworm larvae. Improved sanitation measures will minimize exposure of dairy calves raised in confined areas.
Treatment involves appropriate anthelmintic therapy.
These also kill many other parasites. Lungworm is a seasonal disease in Alberta cattle. The diagnosis is usually made in late summer or autumn. Prompt treatment is indicated if the diagnosis is made early in the season. Treatment may be postponed until after the first killing frost, thereby avoiding reinfection.