Indeed to ensure an apples to apples comparison or steak to steak if you prefer inspectors look at the loin muscle specifically between the 12th and 13th ribs which is where the short loin primal cut meets its next.
Beef with high marbling.
In addition to the quantity of marbling the distribution and texture of visible fat flecks within the ribeye are also considered during assessment of marbling score.
Marbling intramuscular fat is the intermingling or dispersion of fat within the lean.
In this article i will explain when marbling is a good gauge of beef tenderness when it is not and how else to gauge beef tenderness when marbling is not a suitable gauge of beef tenderness.
Marbling comes in different shapes and sizes and not all beef marbling indicates greatness.
Marble score or grades are a component of the aus meat beef quality grading system and is assessed within the ribeye muscle.
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.
And some cattle breeds simply will not produce marbled meat no matter what they are fed how fat they get or how tender their beef is.
Cattlemen looking for both efficiency and carcass quality can have it all according to a university of georgia uga animal scientist.
Feed and finishing may also impact marbling with grass finished cattle offering a leaner beefier flavor whereas grain finished beef are much milder.
Efficient high marbling beef is possible.
The lean muscle has a high frequency of thin evenly distributed flecks of fat.
The beef rib and short loin are among the most marbled sections while the beef round and sirloin tend to have the least.
Wagyu beef for example can be extremely marbled due to its genetics so much so that it s prized for that marbling.