Abattoir survey of bovine pyelonephritis

In order to investigate the prevalence and detection of etiological agents of pyelonephritis in Shahrekord abattoir, 404 kidneys of slaughtered cattle [207 female and 197 male] were inspected. Kidney samples, which had gross changes were obtained for histological examination. Urine and renal tissue samples were also collected aseptically for microbiological examination. In histological examination pyelonephritis were observed in 3 cases [0.74%], one of which occurred in a 7-year-old cow and the others in bulls less than 2-year-old. In microbiological examination E. coil was isolated from urine and renal tissues in 2 cases and Staphylococcus aureus isolated only from renal tissue in the other case