The milk is produced by the cow, but it is not meant for the cow. It is meant for the human being. If you offer the milk, 30 pounds of milk, after milking the cow, and if you offer to the cow [or calf], it will refuse. It will refuse, "I don't want it." Give it dry grass? Oh, it will be very glad.

>>> Ref. VedaBase => Bhagavad-gita 3.13-16 — New York, May 23, 1966