Why Does a Cow Give Milk? Facts about Lactation and Nutrition
Why does a cow produce milk? Learn the biological mechanism of lactation. The answer to the question of why a cow produces milk is simple: milk appears after calving, because its biological function is to feed the calf. The mere presence of an udder does not mean constant milk production. A cow's body only initiates lactation when its metabolism changes during the final stages of pregnancy and after giving birth.
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