Cows produce milk for the same reason that humans do—to nourish their young—but calves born on dairy farms are taken from their mothers when they are just one day old and fed milk replacers so that humans can have the milk instead. In order to keep a steady supply of milk, the cows are repeatedly impregnated. Several times a day, dairy cows are hooked by their udders to electronic milking machines that can cause the cows to suffer electrical shocks, painful lesions, and mastitis. ( For more info about the
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