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Besides semen evaluation list two other components of a thorough Male breeding Soundness Exam?

Scrotum Circumference
History records (age, past breeding)


What is meant by "serving capacity" in relation to breeding soundness in a bull? How can we evaluate this?

the amount of cows the bulls can adequately service before the sperm count/motility is affected.
Put the bull with a female in estrus, should mount within 20 minutes