Choice has less marbling than prime and select has the least marbling of all.
Which cut of beef has the most marbling.
The beef rib and short loin are among the most marbled sections while the beef round and sirloin tend to have the least.
Marbling intramuscular fat is the intermingling or dispersion of fat within the lean.
Beef carcass quality grading is based on 1 degree of marbling and 2 degree of maturity.
Prime beef has the most marbling interspersed throughout the lean meat.
Graders evaluate the amount and distribution of marbling in the ribeye muscle at the cut surface after the carcass has been ribbed between the 12th and 13th ribs.