Most North American dairy cows eat corn, wheat, barley, and oat plants. Everything from just above the ground, chopped and pickled (silage). Stalk, ears, silk e

Most North American dairy cows eat corn, wheat, barley, and oat plants. Everything from just above the ground, chopped and pickled (silage). Stalk, ears, silk etc. Sometimes food or brewing waste(1). Plus some vitamins and minerals and salts(2). Plus some palm oil(3). 1. https://www.usdairy.com/news-articles/do-dairy-cows-eat-food-people-could-eat https://www.usdairy.com/news-articles/do-dairy-cows-eat-food... 2. http://www.fao.org/ag/againfo/themes/documents/PUB6/P620.htm http://www.fao.org/ag/againfo/themes/documents/PUB6/P620.htm 3. https://www.thetelegram.com/business/local-business/sylvain-charlebois-the-hard-truth-about-butter-in-canada-555678/ https://www.thetelegram.com/business/local-business/sylvain-...