Granted, there's no law prohibiting the use of such meat - bearing critters, but most competition cooks stick with beef. (fieryfoodscentral.com)
Such meats feel less greasy in my mouth and have a richer unbeatable flavor. (naturaeclinic.com)
Since most CAFOs feed animals genetically engineered (GE) grains (primarily corn and soy), there's also the issue of whether or not such feed might alter such meats in ways we still don't fully understand. (articles.mercola.com)