answersLogoWhite

0

Yes! Cows or heifers must be impregnated in order to continue lactation. The reason that any mammal produces milk is to nourish their offspring. There are hormones that can be injected to lengthen the lactation cycle, but the cow will eventually stop producing milk if she is not impregnated.

User Avatar

Wiki User

15y ago

What else can I help you with?