Company Excellence Poultry & Livestock Specialist Content Levamisole hydrochloride PVET Classification Anthelmintics Drug Class Rx (please see your veterinarian for proper supervision)Indication For the treatment and control of adult and larval stage of gastro-intestinal roundworms and lungworms in poultry and livestock (anti-parasitic).Dosage Horses, cattle, carabaos, sheep, goats, dogs and cats - 1 g/10 kg BW mixed in drinking water for 1 day. Repeat every 3-4 months. Swine - 15 g/gal of drinking water for 1 day. Repeat after 6 months. Poultry - chicks: 1½ tsp/gal of water (7.5 g/gal) of drinking water for 1 day. Adult birds: 2½ tsp/gal of water (12.5 g/gal) drinking water for 1 day.