.... between 50 and 80 of all antimicrobials used in the United States are actually added to animal feed rather than being used to treat sick people or animals, according to a publication by Johns Hopkins University.

.... At the same time, they are a major source of water pollution as well, which has a direct result on people living in proximity to these operations. For example, according to the National Resources Defense Council, runoff from chicken and hog waste in the mid-Atlantic led to a deadly algae outbreak that killed millions of fish and caused "skin irritation, short-term memory loss and other cognitive problems in local people."

.... While its possible to raise a Cornish X on pasture, it’s very unlikely that they will actually forage. So even birds sold as pasture raised are still mostly feed raised. The breed is just too heavy to have the energy to do much more than sit by the feed trough and eat all day. These birds are meant to be processed before they reach 12 weeks. Most people process at week 6, sometimes 7 so that they have less die offs due to physical problems like heart attacks or broken legs.