This comment doesn't seem like the kind that needed downvotes. Might have been a legitimate educational question, though I can understand the sarcastic undertones probably generating the downvotes.

I will be taking him away from his mother when it's time for him to wean. Many months from now. I'm not an industrial farm, I have no need to keep cows bred to make milk. For my purposes milk is just a bonus of the situation, and if there's enough to share between the calf and us, great. If not, it's all for him.