Vetrimec Paste (ivermectin 1.87%) is an anthelmintic and boticide for oral use in horses only. This new formulation is effective against five more species of parasites than many current products. It provides effective control of large and small strongyles (including Craterostomum acuticaudatum; Coronocyclus spp. including C. coronatus, C. labiatus and C. labratus; and Petrovinema poculatus), pinworms, roundworms (ascarids), hairworms, neck threadworms, large-mouth stomach worms, and bots. Contents of one syringe will treat up to 1250 lbs. of body weight.