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ABSTRACT
A histopathological survey of 945 ahattoir-derived adult bovine terminal ilea was conducted. All samples showed changes interpreted as chronic enteritis. Sixty-nine percent had glandular epithelium within submucosal Peyer's patches. Thirty-eight percent showed dense focal lymphoid aggregations within the mucosa and twenty-seven percent showed sub-mucosal abscessation and granulomata. Evidence of coccidial and nematode parasitism was common. Four percent had Johne's disease.