Robenidine hydrochloride 66 g/kg (Robenz 66 G)

What it is. Robenidine hydrochloride (Robenz 66 G) is a synthetic coccidiostat additive, marketed as a premix containing 66 g/kg of active substance, the remainder consisting of lignosulfonate and calcium sulfate dihydrate as carrier. The active substance is a chlorobenzylidene guanidine derivative (C15H13Cl2N5.HCl).

What it is for. This additive is used in compound feed for chickens for fattening for the prevention of coccidiosis, a parasitic disease caused by Eimeria spp. It is incorporated exclusively as a premix into compound feed, never directly. Its use is part of an anticoccidial control programme, with possible rotation of other coccidiostats depending on the farm's strategy.

Points to watch. Administration must be stopped at least five days before slaughter. The additive must not be mixed with other coccidiostats. Maximum residue limits apply (liver, kidney, muscle, skin/fat) and a post-authorisation monitoring programme covers bacterial resistance and Eimeria spp.; personal protective equipment is required where risks cannot be controlled during handling.