Under conditions of continued exposure to parasites, retreatment may be needed after 4-6 weeks.
Dosage is 5 g Safe-Guard (fenbendazole) Paste per 220 lb. body weight.
One syringe deworms 4 (1,000 lb) cattle or 4 (1,000 lb) horses at a does of 5 mg/kg or 4 (500 lb) horses at a does of 10 mg/kg to treat ascarid infections.