Reyna, P. S., L. R. McDougald, and G. F. Mathis. 1983. Survival of coccidia in poultry litter and reservoirs of infection. Avian Diseases 27:464-473.
Reyna, P. S., L. R. McDougald, and G. F. Mathis. 1983. Survival of coccidia in poultry litter and reservoirs of infection. Avian Diseases 27:464-473.