Wagyu

Wagyu is a beef breed that comes out of Japan. The name means roughly "Japanese cattle," and it takes in several regional strains, the best known being Japanese Black, Japanese Brown, Japanese Polled and Japanese Shorthorn. What sets the breed apart, above everything else, is the dense marbling running through the meat, fine flecks of fat worked right into the muscle.

Wagyu are big cattle with a placid, even nature. For generations they pulled carts and worked the land before breeders turned their attention to meat quality, and that long history of close daily contact with people still shows in how manageable and good-natured the cattle are. Grown animals carry plenty of weight but tend to settle well for anyone who handles them regularly.

Outside Japan, producers run Wagyu as fullblood (purebred) herds and also use the genetics in crossbreeding programs, adding marbling to other beef breeds. Cattle of this breed can live a long time by cattle standards, commonly 15 to 20 years, though those raised for beef are processed well before then.

Who it suits

The Wagyu suits beef producers chasing premium marbled meat rather than fast weight gain or sheer volume. The breed pays back patient, hands-on management and a longer feeding period, so it fits operations set up for careful handling and steady nutrition across many months. Its calm nature makes it workable on smaller holdings too, though the price of fullblood stock and the long finishing time keep it a specialist option rather than a broadacre commercial breed.

Cattle have worked the land in Japan for something like two thousand years, kept mainly to plough rice paddies and haul loads. The rough terrain and the grind of draught work favoured animals with strength, stamina and a settled temperament, and the marbling the breed is famous for today traces partly to fat stored as reserve energy in these working cattle.

For most of that history the Japanese ate little beef, and many districts kept their cattle fairly isolated from one another. That isolation let separate local populations develop, each with its own traits. Once Japan opened up to wider contact with the rest of the world in the second half of the 1800s, breeders crossed some imported European cattle with native stock to lift size and build.

Crossbreeding with imported cattle was largely stopped in the early 1900s to protect the character of the native strains. From the 1940s, Japanese herd books formally recognised the main breeds: Japanese Black, Japanese Brown (also known as Japanese Red), Japanese Polled and Japanese Shorthorn. Japanese Black makes up the large majority of Wagyu raised today.

Wagyu genetics first reached other countries in the 1970s, and again in the 1990s, when small numbers of live animals and semen went to North America and Australia. Those exports laid the foundation for the fullblood and crossbred Wagyu herds now run around the world, Australia among them.

Wagyu are solid, deep-bodied cattle with a long, fairly straight back and bone that's fine for their overall weight. Japanese Black, the most common strain, is solid black all over, while Japanese Brown cattle run red to reddish-brown. Horned and naturally polled lines both exist, the polled type coming through the Japanese Polled strain. Rather than the heavy, extreme muscling seen in some specialised beef breeds, Wagyu present as moderate, balanced animals.

Coat and colours

The coat sits short and smooth against the body. Colour comes down to strain: Japanese Black cattle are an even black all over, sometimes with a faint brownish tinge in older animals or those that spend a lot of time in the sun, while Japanese Brown ranges from light red through to a deeper reddish-brown, often paler around the muzzle and belly line. Calves arrive with the colouring of their strain and keep it for life. None of this coat colour hints at the trait that matters most, the fine, even marbling of fat within the muscle, which only becomes visible once the meat is cut.

Wagyu have a name as one of the more even-tempered beef breeds going around. They're generally calm and good-natured, settle into a routine quickly and put up with close handling better than a lot of cattle do. That disposition goes back centuries, to the years when people worked alongside individual animals every day as draught stock.

With handlers they know, the breed moves easily and cooperates well, and stress levels during handling tend to run lower than in more flighty breeds, which counts for both animal welfare and meat quality. Wagyu get on well within the mob and hold stable group structures. Around strangers or in new surroundings they can turn a bit wary, as most cattle will, so quiet, consistent handling gets the best out of them.

Calm as they are, these are still large, powerful animals. Bulls especially need to be treated with respect at all times, never assumed safe just because the breed has a docile reputation. Solid yards and handling from a young age keep stock settled and predictable.

Grooming

• Keep the short coat clean; cattle mostly look after themselves but do well with something to rub against, like brushes or posts.
• Check hooves regularly and trim when needed to head off lameness, especially for animals kept on soft ground or under cover.
• Keep external parasites (flies, lice, ticks) under control on a seasonal basis.
• Check skin, eyes and the udder of breeding cows whenever you're handling them.

Exercise

• Give cattle room to walk and graze; movement helps healthy growth and sound limbs.
• Don't force fast, stressful movement, which works against the breed's calm nature.
• Paddock access or a decent-sized yard beats constant close confinement wherever it can be arranged.

Environment

Wagyu cope with a range of climates but do best with shelter from heat, cold, wind and wet. In Australian conditions, shade and clean water in every paddock are essential once the heat comes on, since cattle can struggle badly with heat stress over a hot summer, and dry, sheltered ground to lie on matters just as much when it turns cold or wet. Stable mobs, low-stress handling and a steady daily routine suit the breed's temperament and help keep feed intake on an even keel.

Wagyu are ruminants, and forage forms the base of the diet, pasture, hay or silage supplying the fibre a healthy rumen needs. Clean water has to be on hand at all times, and daily intake climbs sharply once the weather turns hot. To build the breed's heavy marbling, finishing programs bring in energy-dense grain or concentrate feeds and stretch the feeding period well past what's used for typical beef cattle, often out to 24 to 30 months or more.

Any change of feed should happen gradually over several days to avoid digestive upsets such as acidosis or bloat. Mineral and vitamin supply needs to match both the forage base and the animal's stage of life.

Treats and supplements

Keep any extra feeds modest and consistent. Mineral licks or blocks matched to the local forage help cover trace elements such as copper, selenium and cobalt where the soil runs short, but only on the advice of a vet or nutritionist, since some minerals cause harm in excess. Sudden large amounts of grain or tasty treats can upset the rumen and are best avoided.

Wagyu are generally solid, hardy cattle and can live 15 to 20 years, though animals raised for beef are processed well before then. Their health concerns are mostly the same ones that affect cattle generally: digestive, respiratory, foot and parasite problems. The breed's long, energy-dense finishing period adds a particular need to watch rumen health and the conditions linked to high-grain diets.

Preventive care

• Follow a vaccination program suited to the region and the herd, worked out with a vet.
• Run routine parasite control and keep an eye out for resistance.
• Keep hooves trimmed and footing dry to prevent lameness.
• Bring in and change feeds gradually to protect rumen health.
• Provide clean water, shade and shelter to cut down heat and cold stress.
• Keep handling calm and yards safe to limit injury and stress.

Wagyu reproduction follows the usual pattern for cattle. Heifers reach puberty inside their first year but are usually first joined at around 14 to 18 months of age, depending on growth and condition, so they calve down as two-year-olds. Mating happens either by natural service with a bull or, very commonly in pedigree and crossbreeding programs, by artificial insemination, which has done a lot of the work in spreading Wagyu genetics around the world.

Gestation runs about nine months, close to 280 to 290 days. Cows almost always produce a single calf; twins are rare. Calves are up on their feet and suckling within hours of birth and rely on early colostrum for immunity. The calf usually stays on the cow for several months before weaning, and Wagyu cows tend to be attentive, good-natured mothers, in keeping with the breed's calm temperament. Careful choice of sires and dams is central to keeping up the marbling and meat quality the breed is bred for.