M.N. Novilla Jeff S. Hatfield J. W. Carpenter 1992 Because crane chick mortality from disseminated visceral coccidiosis (DVC) at the Patuxent Wildlife Research Center increased in 1988, suggesting that the parasite may be developing a resistance to amprolium, a target animal safety study using coccidiostats, monensin and clazuril, was conducted on 27 subadult sandhill cranes. application/pdf en The safety and physiologic effects of the anticoccidial drugs monensin and clazuril in sandhill cranes (Grus canadensis) article