A ONE-DAY-OLD grade Simmental bull calf was presented with unilateral scrotal swelling. The calf had been born and had stood and suckled without assistance. Observed appetite and activity were normal. The calf urinated and defecated without difficulty. Veterinary advice was sought upon recognition of a unilateral scrotal swelling. Suspecting an inguinal hernia, the veterinary surgeon referred the calf for diagnostic evaluation.With the exception of an enlarged right testicle all physical examination parameters were normal. A zinc sulphate turbidity test performed on the calf s serum confirmed adequacy of passive immunoglobulin transfer. The right testicle was approximately 8 cm long in a dorsoventral plane and approximately 4 cm in diameter. This testicle was diffusely firm on palpation and a single palpable cord-like structure passed from the right inguinal ring to the right testicle. No viscera or abnormal structures were palpable within the vaginal tunic. The left testicle was small, approximately 1-5 cm in diameter and located subcutaneously halfway between the inguinal ring and the neck of the scrotum.
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