The problem many people don't know or understand is that cows don't eat just grass, and truthfully cannot get all their nutrients from grass alone. A lot of the nutrients they get actually comes from the microbial population in their rumen, not the grass alone. read more
A cow's natural diet isn't just grass, its plants, and believe it or not plants also have proteins and fats. Cows, strict herbivores, are a lot different from humans and as such they have different amino acid and vitamin profile requirements than we do. read more
Grass is not only difficult to digest, but time-consuming to eat. Many herbivores depend on grass for a majority of their diet, but grass doesn’t contain as much protein as meat does. A predator can get enough protein by eating perhaps only a handful of meaty meals a day. read more
A modern dairy cow consuming grass alone would be equivalent to a marathon runner or Olympic athlete consuming only lettuce with a few sprigs of broccoli. In the old days, everyone had a couple cows, and they only needed to make enough milk for their family. The modern dairy cow now makes about 10 gallons of milk every day. read more