Watching Disney xd and a commercial came on about the importance of milk. In this commercial it showed dairy cows living on a nice farm with baby cows roaming in pastures. Most if not all of our dairy doesn’t come from farms like that. Dairy cows comes from factory farms, the cows are impregnated time and time again because cows can’t make milk without being pregnant. The male babies are taken for veal and the female babies become the next generation of dairy cows.
Here is some information on dairy farms.