Elancoban G200 Uses Broiler and layer replacement chickens As an aid in the prevention of coccidiosis caused by Eimeria acervulina, E. brunetti, E. maxima, E. necatrix and E. tenella. Turkeys for fattening As an aid in the prevention of coccidiosis caused by Eimeria adenoides, E. gallopavonis and E. meleagrimitis.