date:Jul 23, 2012
ed FDA-approved ionophores, steroid implants, melengestrol acetate (MGA), and beta-adrenergic agonists used at current adoption rates. The No-Technology System did not use any of these products.
The researchers used a new whole-system environmental and natural resource model to determine the effects of using each system to produce the same amount of beef. This model included all inputs and outputs throughout beef production, from the manufacture of cropping inputs (fertilizers and pesticides) to