Segmental aplasia of the epididymis, bull

Testis of a 4-year-old Jersey bull with segmental aplasia of the epididymis and testicular hypoplasia. The length of the testis pictured here is approximately 5 cm, whereas a normal bull at this age has a testicular length of 15–20 cm. Note the aplastic body of the epididymis that fails to connect the head and tail of the epididymis (arrow).