Why do bulls have nipples like a cow/heifer? Will this harm the calves? - Quora
Why do bulls have nipples like a cow/heifer? Will this harm the calves? - Quora
In the film "Barnyard", the main character, Otis, has udders. This is a subtle nod to the fact that he is not a female cow and therefore can not have udders. :
Cow's udder show cow hi-res stock photography and images - Alamy
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Udder shape plays role in mastitis | The Western Producer