Everyone claims they “know wagyu.” They don’t. We do.
This library exists to help you learn all things Wagyu beef terminology.
Wagyu simply means “Japanese cow” (“Wa” = Japanese, “Gyu” = cow). Today, the term refers to four native Japanese cattle breeds known for exceptional marbling, tenderness, and flavor.
American Wagyu is Wagyu genetics raised in the United States. It includes everything from F1 cross cattle to Purebred and Full Blood Wagyu, making it one of the most diverse beef categories in the world.
Japanese Wagyu refers to Wagyu cattle born and raised in Japan under strict breeding and traceability standards.
Australia has one of the world’s largest Wagyu industries outside Japan and produces everything from F1 cross cattle to Full Blood Wagyu.
Kobe Beef is a protected brand of Tajima-line Japanese Black cattle raised in Japan’s Hyogo Prefecture under strict certification requirements. Not all Japanese Wagyu is Kobe Beef.
A5 is Japan’s highest official beef grade, combining Yield Grade “A” with Quality Grade “5.”
Akaushi, or Japanese Brown, is one of Japan’s four native Wagyu breeds and is known for rich beef flavor and balanced marbling.
The most common Wagyu breed in Japan, famous for producing the highest levels of marbling.
Another name for Akaushi.
A leaner Wagyu breed known for deep beef flavor.
The rarest Wagyu breed, naturally hornless and very uncommon.
100% traceable Wagyu genetics with no crossbreeding outside registered Wagyu bloodlines.
Typically at least 93.75% Wagyu genetics (15/16).
Any Wagyu animal with less than Purebred genetics.
50% Wagyu and 50% another breed, commonly Angus.
The offspring of two F1 Wagyu cattle, averaging 75% Wagyu genetics.
Typically 87.5% Wagyu genetics.
Typically 93.75% Wagyu genetics and often considered Purebred.
Any Wagyu crossed with another breed.
The inherited traits that influence marbling, growth, tenderness, and flavor.
The tiny streaks of intramuscular fat that melt during cooking.
Fat located inside the muscle that creates tenderness and flavor.
A heart-healthy monounsaturated fat found in high concentrations in many Wagyu cattle.
Beef Marbling Score, Japan’s 1–12 marbling scale.
America’s highest USDA quality grade—but still very different from Japanese A5.
How much usable meat comes from a carcass.
The USDA evaluation of marbling and maturity.
The animal after harvest before fabrication into retail cuts.
Weight of the carcass after harvest.
The percentage of live weight that becomes hanging weight.
Cattle finished entirely on forage.
Cattle finished on a grain-based diet to increase marbling.
A finishing program using barley as a primary grain.
A finishing program centered around corn.
The idea that geography, climate, forage, and environment influence the final flavor of beef.
Japanese-style grilled beef cooked in small pieces.
Thinly sliced Wagyu briefly cooked in hot broth.
Thin Wagyu simmered in a sweet soy broth.
The Japanese name for the rump cap, similar to picanha.
A beautifully marbled shoulder cut also known as the Denver steak.
The sirloin cap, prized for its rich flavor and fat cap.
One of the most marbled chuck cuts.
A richly marbled chuck eye steak often called the “pre-ribeye.”
A tender shoulder steak with outstanding beef flavor.
Also called flap steak, known for deep beef flavor.
A loose-textured steak with intense flavor.
A triangular sirloin roast popular for grilling.
Another name for picanha or top sirloin cap.
A tender shoulder muscle often called the “mock tenderloin.”
Often called the “poor man’s ribeye.”
The Meat Dudes philosophy of seasoning Wagyu generously with salt to let the beef shine.
Cooking low and slow before finishing with a hot sear.
One side of the grill with direct heat and one side with indirect heat.
Allowing meat to sit after cooking so juices redistribute.
The rise in internal temperature after meat is removed from heat.
A tacky surface that forms on meat after air-drying, helping smoke adhere and creating a better crust.
Seasoning meat with salt in advance to improve flavor, moisture retention, and crust formation.
Rendered Wagyu beef fat used for searing, roasting, and finishing dishes.
