Australia is one of the biggest producers of wagyu beef in the world and uses its own grading scale the aus meat marbling system.
Marbling a5 wagyu beef.
Grade meaning the overall beef marbling score bms beef color standard bcs beef fat standard bfs firmness texture.
Wagyu beef for example can be extremely marbled due to its genetics so much so that it s prized for that marbling.
Only 0 5 of wagyu in japan reaches a bms of 12.
Wagyu labeled a5 has a marbling score of 8 12 a4 is 5 7 a3 is 3 4 and so on.
In order to qualify as a5 japanese wagyu beef must be graded as grade a for yield and grade 5 in bms bfs bcs firmness and texture.
The australian wagyu marbling scale.
It is widely considered the finest beef you can get.
Yield meaning the ratio of meat compared to the actual carcass weight.
A5 wagyu beef is the highest rating for what is already a highly sought after type of beef.
Marbling is considered best when it s bright white and evenly distributed in fine thin veins rather than coarse chunks.
A5 wagyu from kagoshima japan.
The beef is so rich only small amounts are eaten not an entire 8 oz steak.
Like i said earlier some breeds are more inclined to marbling than others.
In japan a bms beef marble score of 12 has a minimum of over 56 imf.
To achieve an a5 rating the marbling color brightness of meat firmness texture of meat as well as the color luster and quality of the fat is all scrutinized to be of the highest quality.