New York, May 8 -- Mother's Day is an annual tradition celebrated in the United States on the second Sunday in May. Mother's Day honors mothers, motherhood, and maternal bonds in general, as well as their positive contributions to their families and society. This Mother's Day, I invite you to honor not just human mothers, but animal mothers as well. Death can occur in millions of ways but only a mother can give birth.

Cows produce milk for the same reason that human women do: to feed their babies. In the United States, dairy farmers repeatedly artificially inseminate them and then take their babies away from them, often within 24 hours. This traumatizes mother and baby alike. Female calves are killed immediately or fed milk replacers, so...