You would probably want to inspect the crop, proventriculus, gizzard, and large and small intestines, the cecum. Look for the presence of worms in intestines as well as blood or gut damage. Remains should be buried deeply out of chickens yard or burned.
Coccidiosis damage in intestines
Necrotizing enteritis in small intestines
Edited by Eggcessive - 12/5/14 at 6:29pm