One former vegetarian, San Francisco Chronicle columnist Mark Morford, says he now eats meat, but only “grassfed and organic and sustainable as possible, reverentially and deeply gratefully, and in small amounts.” Sales of grassfed and organic beef are rising rapidly. In today’s feedlots, however, cows fed corn and other grains are eating food that humans can eat, and they are quite inefficiently converting it into meat.
Now, thanks to our misguided policies, our beef supply is almost all feedlot beef.That kind of unnaturally fast weight gain takes enormous quantities of corn, soy-based protein supplements, antibiotics and other drugs, including growth hormones.Under current farm policies, switching a cow from grass to corn makes economic sense, but it is still profoundly disturbing to the animal’s digestive system.coli bacteria that can kill people who eat undercooked hamburger. coli 0157: H7 has only recently appeared on the scene.It was first identified in the 1980s, but now this pathogen can be found in the intestines of almost all feedlot cattle in the U. Even less widely recognized is that the practice of feeding corn and other grains to cattle has created the perfect conditions for forms of E.