The abamectin component of Equimax is the parent chemical from which the ivermectin in Equimec is derived. Abamectin, ivermectin and moxidectin are all members of the family of macrocyclic lactones, although abamectin is the only one of the group that occurs naturally. This means that, unlike the others, abamectin is neither chemically modified nor from a modified organism, so it retains the natural high potency of this group of molecules. Today abamectin is produced in modern facilities by cultivating the natural organism Streptomyces avermitilis . There is no adverse reaction with up to twice the recommended dose.
Pregnancy rate is unaffected.
Although treatment from 6 weeks is recommended, no adverse reactions have been detected at twice the recommended dose in foals trialled as young as 4 weeks. Breeding stallions may be treated without affecting breeding potential. There have been no reported cases of toxicosis in horses treated with praziquantel. Dosage 1 ml per 20 kg of bodyweight. The contents of one syringe will treat one horse of 600 kg bodyweight.