Table 1.

Prevalence of microscopic gastrointestinal lesions at necropsy. Results are based on a colony of 27 animals. All animals were clinically normal at the time of euthanasia with the exception of one animal with fight wounds and dermatitis.

Tissue	Microscopic Lesion	# Animals Affected/Total	Prevalence
Stomach	Lymphoplasmacytic mucosal gastritis	18/27	66.7%
Liver	Random hepatocellular hyalinosis	26/27	96.3%
Duodenum	Plasmacytic mucosal enteritis	27/27	100.0%
Cecum	Plasmacytic mucosal typhlitis	24/27	88.9%
Colon	Lymphoplasmacytic mucosal colitis	18/27	66.7%