
Snoqualmie Cattle Company's ground beef was analyzed in May 2010 by Michelson Laboratory of Commerce City, CA.
A 1987 study by Texas A & M University showed that Longhorn Beef was leaner than all other meats, including turkey, chicken, buffalo and venison.
http://tlbaa.org/
in margin see "The Breed" and "Lean Longhorn Beef"