Comparative studies on the efficacy of sulphachlorpyrazine and toltrazuril for the treatment of caecal coccidiosis in chickens

animal diseases anticoccidials anticoccidien antiprotozoaire antiprotozoal agents aves de corral battery husbandry broiler chickens coccidiose coccidiosis coccidiostaticos coccidiostats drug therapy eimeria tenella enfermedades de los animales experimental infection in vivo experimentation infecciones por protozoos maladie des animaux medicamentos contra protozoarios pollo de engorde poulet de chair poultry protozoal infections protozoose terapia therapy volaille