Beef trimmings (formerly used in dog food and cooking oil) are now sprayed with ammonia and added as filler to 70% of ground beef, according to Gerald Zirnstein, a former USDA scientist.
USDA Employee Blows Whistle On Beef's 'Pink Slime'
Beef trimmings (formerly used in dog food and cooking oil) are now sprayed with ammonia and added as filler to 70% of ground beef, according to Gerald Zirnstein, a former USDA scientist.
Mar 8, 2012