Monens is a premix containing 100g/200g monensin per kg.
Monensin is a polyether antibiotic of the ionophore group. It exerts an anticoccidial action against Eimeria tenella, E. acervulina, E. praecox, E. mitis, E. brunetti, E. maxima, E. necatrix in chickens. Its action is connected with the formation of lipophilic complexes with monovalent ions (sodium and potassium), making the membranes of the coccoidal cells permeable to the ions mentioned.