Usda s agricultural marketing service ams employs 200 highly skilled beef graders who sometimes with the help of electronic monitoring evaluate several factors that determine the grade including the amount and distribution of marbling.
Beef with marbling.
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.
Feed and finishing may also impact marbling with grass finished cattle offering a leaner beefier flavor whereas grain finished beef are much milder.
Marbling is fat so it is largely determined by the diet of the animal and to a certain degree the breed of cattle.
Beef marbling standards bms or beef marbling standards rely on marbling to grade beef quality.
Cattle that are raised on grain will have more marbling than grass fed beef this is fairly intuitive since you can imagine how difficult it would be to get fat by eating grass.
Based on that one location of the cow they can then determine if the beef in the entire cow is prime choice or select.
When beef graders yes there are people who grade beef for a living are grading beef they specifically look at amount of marbling in the ribeye muscle between the 12 th and 13 th ribs.
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 is a measure of quality and as such the meat industry is always using meat science to make production more predictable and uniform to boost profits.
Marbling is what gives beef its flavor juiciness and tenderness.
Beef marble scores are used to rate beef.
Wagyu beef for example can be extremely marbled due to its genetics so much so that it s prized for that marbling.
In japan up to 12 different grades exist for wagyu beef.
The following factors affect marbling in beef.
Certain breeds have higher marbling scores on average due to the way they metabolize food.