Coccidiosis: This parasitic infection affects the intestinal tract of animals (especially livestock) and can cause severe diarrhea, often with blood.

Ketosis: This metabolic disorder primarily occurs in dairy cattle and is characterized by high levels of ketones in the blood, not diarrhea.

Brucellosis: This bacterial infection affects reproductive organs and can cause fever and weakness, but not typically bloody diarrhea.

E. Aspergilliosis: A fungal infection that primarily affects the respiratory system, not associated with bloody diarrhea