Bladder calculi and cystitis in Hanwoo steers without clinical symptoms: a case report
Two Hanwoo steers were emergency-slaughtered due to symptoms of urethral obstruction. The steers were of the same age and were raised using the same feed management. The remaining 22 cattle in the finishing period showed no symptoms of urinary calculi until 30 months of age and were examined for the presence of bladder calculi when slaughtered. Bladder calculi were observed in 11 of 22 steers at slaughter (50%) and cystitis occurred in 13 of 22 steers (59.1%). There was a significant relationship between the presence of bladder calculi and the incidence of cystitis (P < 0.05).
cattle; urinary calculi; nutrition; feeding management
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