Thiabendazole is a type of dewormer used in poultry with internal parasites, specifically nematodes, particularly gapeworm.
Typical Dosage: For roundworms (ascarids), 250-500 mg/kg given orally and repeated in 10-14 days. For gapeworm, 100 mg/kg given orally, once a day for 7 to 10 days.
