#208 How do cows produce milk?
I learned this today. Cows combine nutrients from their blood, sugar, fat, and water in their udders to produce milk. All mammals, except for monotremes (like the duck billed platypus) produce milk. In all but one case the milk is produced by the female mammal. The only male mammal that produces milk is the Dayak […]
#208 How do cows produce milk? Read More »