Advanced meat recovery
(AMR) is a slaughterhouse
process by which residual meat
trimmings are extracted from bones and other carcass materials. This meat is comparable in appearance, texture, and composition to meat trimmings and similar meat products derived by hand. This new machinery separates meat from bone by scraping, shaving, or pressing the meat from the bone without breaking or grinding the bone. Product produced by advanced meat recovery machinery can be labeled using terms associated with hand-deboned product (e.g., "beef trimmings" and "ground beef
In the United States, USDA regulations stipulate that AMR machinery cannot grind, crush, or pulverize bones to remove edible meat tissue, and bones must emerge intact. The meat produced in this manner can contain no more than 150 milligrams (within a tolerance of 30 mg) of calcium per 100 grams product, as calcium in such high concentrations in the product would be indicative of bone being mixed with the meat. Products that exceed the calcium content limit must be labeled "mechanically separated beef or pork" in the ingredients statement.