is a potent equine wormer containing pyrantel, a compound from the tetrahydropyrimidine class. For use in horses and foals for the removal and control of mature infections of bloodworms, small strongyles, pinworms and large roundworms. Use in rotational deworming programs Dosage: single oral dose of 3 mg pyrantel base per lb of body weight. One syringe treats 1,200 lbs. Follow label directions. Each syringe contains 3.6 grams pyrantel base in 23.6g (20mL) paste. Each mL contains 180 mg pyrantel base as pyrantel pamoate.