Calories in vs. calories out would assume we all have identical digestive physiologies which we don't. Furthermore there are many practices in cattle raising t

Calories in vs. calories out would assume we all have identical digestive physiologies which we don't. Furthermore there are many practices in cattle raising that allow for more fat and muscle gain without increasing calories but instead changing other factors. The following shows the hormone regimen for cattle to increase fat without changing the calories in aspect of the equation. http://www.gov.mb.ca/agriculture/livestock/production/beef/growth-implants-for-beef-cattle.html http://www.gov.mb.ca/agriculture/livestock/production/beef/g...