Pathological Study of Renal Lesions in the Condemned Bovine Kidneys in Ziaran Slaughter-house

During six months, Oct to Mar 2000, 300 cases of condmned bovine kidneys were randomly submitted to the pathology laboratory for diagnosis ofrenal diseases. The macroscopical and microscopical features of various types of bovine renal diseases were discribed. The frequency rate of macroscopical lesions was included 6 renal cysts, 7 hydronephrosis, 3 pylonephritis, 165 white spotted kidney, 82 large pale kidney, 15 small shrunken kidney,4 congestion, 3 pale infarction and 15 without any lesions. Histopathologic study of these cases with H&E stain, revealed that the important lesions were occured in interstitial tissue of kidney. The frecquency rate of microscopie lesions was included 6 renal cysts, 7 hydronephrosis, 3 pyelonephritis, 165 acute multifocal or diffuse interstitial nephritis, 80 nephrosis, 1 glomerulonephritis, 1 amyloidosis, 15 nephrosclerosis, 4 congestion, 3 infarction and 15 without any lesions.