Jinseki beef

Jinseki beef (神石牛, Jinseki-gyu) is a Japanese regional wagyu brand consisting of Japanese Black (Kuroge Washu) cattle raised in Jinseki Kogen Town, Jinseki District, Hiroshima Prefecture, and the beef sold under that name. It sits beneath Hiroshima Prefecture's unified 'Hiroshima Beef' (Hiroshima-gyu) brand as a local, area-specific brand. The producer organization behind it is the Jinseki Beef Promotion Council (神石牛振興協議会). The brand is defined by a certification system introduced by the council in 2015. Under that system, 'Jinseki bloodline' refers to Hiroshima Prefecture seed bulls descended from the Jinseki-lineage bull 'Dai-2 Yokotoshi' within three generations (sire, maternal grandsire, or maternal great-grandsire). Only about 400 head are shipped annually, a deliberately small volume that has earned Jinseki beef the nickname 'the phantom wagyu' (幻の和牛). Jinseki beef is prized for fine muscle fibers and relatively little excess fat, giving it a dense, deep umami and a tender, melt-in-the-mouth texture. Its fat is said to have a mild, milk-like sweetness and a low melting point, and the beef carries the distinctive 'Wagyu aroma' (和牛香) reminiscent of peach or coconut. The cattle are raised in the cool highland climate, clear air and clean water of Jinseki Kogen, an environment described as ideal for animal health and meat quality. The modern brand traces its roots to the Taisho era. In 1927, at the funeral of Emperor Taisho, a Jinseki bull named 'Toyoman' helped pull the imperial hearse, bringing the region's cattle wide fame. The brand later faded from the market after Hiroshima Prefecture unified its wagyu under the Hiroshima Beef brand in 1986, and was revived as a regional brand in the 2010s alongside the prefecture's 'Hiroshima Bloodline Wagyu Motonari' initiative. In 2022, when U.S. President Joe Biden visited Japan, Prime Minister Fumio Kishida served 'grilled Jinseki beef fillet', drawing public attention to the brand. Today Jinseki beef is sold through the brand's official website and online shop, and is served at branded restaurants including Yakiniku Jinseki Nishiazabu in Tokyo and Premium Yakiniku Jinseki in Fukuyama, Hiroshima Prefecture.

Jinseki beef is a regional wagyu brand from Jinseki Kogen Town in Jinseki District, Hiroshima Prefecture. The area lies on the Kibi Plateau at an elevation of 500–650 meters, a cool highland with limited flatland and few rivers, where cattle were historically raised as draft animals (役牛) for farming, manure and transport. A medieval origin is claimed for the Kawahigashi cattle-horse memorial rice-planting dance in the Toyomatsu area, a Hiroshima Prefecture intangible folk cultural property. The name 'Jinseki beef' is said to have spread naturally because cattle from the area were supplied in large numbers to the Kuni no Ushi market, one of Japan's three great cattle markets, and because sellers displayed banners on the animals' backs recording origin, name, age and performance, thereby guaranteeing quality. According to the Hiroshima Prefectural Agricultural Association's 'Geibi Shinpūdoki' (1938), a man named Hirakori in Toyomatsu Village, Jinseki District, studied cattle-raising methods during the Eiroku era (1558–1570) and spread them within the district, which is regarded as the origin of Jinseki beef. During the Kan'ei era (1624–1645), a man named Tokubei from Yagawa Village in Iishi District, Izumo, purchased a seed bull from Jinseki; its breeding became the Yagawa cattle. In the Meiji era, demand shifted from draft cattle to dairy and beef cattle, and improvement associations were formed. In 1909 a district livestock station was established at Yuki Tenjimbara to breed seed cows. After the First Sino-Japanese War, the Russo-Japanese War and the Taisho boom, Japanese beef consumption grew sharply, and Jinseki cattle were used as raw material for Hiroshima-made canned beef, which at one point held the top domestic share. The modern history of the brand is usually dated from the Taisho era. In 1916 a Hiroshima Prefectural livestock station was established in Jinseki District to raise seed bulls and distribute them within and beyond the prefecture, making Jinseki a production base for Hiroshima seed bulls and spreading the Jinseki name until it became synonymous with Hiroshima beef. The livestock technician Kenzo Tange contributed greatly to this development. In May 1926, Crown Prince Hirohito (later Emperor Showa) visited Hiroshima, and the Jinseki bulls 'Toyokami' and 'Toyomi' were presented at Fukuyama Castle. This led to the selection of the Jinseki bull 'Toyoman' together with the Hiba bull 'Yahata' as hearse-pulling oxen at the funeral of Emperor Taisho on February 7, 1927 — the first time oxen other than Kyoto Tanba cattle had been chosen. Toyoman was later granted to Hiroshima Prefecture by imperial gift, sired many seed bulls, and is regarded as the root of modern Jinseki beef. The bull 'Dai-2 Yokotoshi', born in 1954 in Shinsaka Village, Jinseki District, and descended from Toyoman on both sides, won first prize at the 1955 Hiroshima Prefectural Livestock Fair and was used as a seed bull. After the period of high economic growth, mechanization of farming reduced cattle numbers, and Hiroshima wagyu, despite winning prizes, was often sold to improvement organizations in other prefectures. Producers' pride led them to resist introducing bloodlines from other prefectures or even from Hiba, and experts noted rising inbreeding coefficients. In 1972, following the Ministry of Agriculture and Forestry's beef cattle breeding group project, Hiroshima began creating new wagyu through crossbreeding of Jinseki and Hiba lines. The bull 'Dai-3 Shinryu no 4', born in 1980 in Jinseki Town, won the top prize in the young bull section at the 4th National Wagyu Ability Competition in 1982, and its offspring won the top gold prize in the beef cattle section at the 6th competition in 1992. Later, Hiroshima Prefecture began building the unified 'Hiroshima Beef' brand as a differentiation strategy, and in 1986 it announced that wagyu distributed in Hiroshima would be unified under that name. As a result, Jinseki beef disappeared from the domestic wholesale market. After the GATT Uruguay Round, Japan's beef import quota was abolished in 1995, but wagyu was recognized as a high-value product able to survive. The BSE problem from 2001 and the municipal mergers from 2003 led to a proliferation of regional wagyu brands across Japan. Hiroshima Beef, however, saw declining cattle numbers due to aging producers and lagged behind other prefectural brands. Hiroshima then rebuilt its brand around bloodlines, launching the new prefectural brand 'Hiroshima Bloodline Wagyu Motonari' in 2013, followed by the revival of Jinseki beef and Hiba beef as regional brands. In November 2014, eight organizations including Jinseki Kogen Town, the wagyu improvement association, the chamber of commerce and JA Fukuyama formed the Jinseki Beef Promotion Council, and in March 2015 the council established a new certification system for the Jinseki beef brand, engaging in public relations and sales. In 2022, when U.S. President Joe Biden visited Japan, Prime Minister Fumio Kishida served 'grilled Jinseki beef fillet', bringing the brand renewed public attention. The official website was renewed on April 1, 2025.

• 2025

  The official website was renewed on April 1.

• 2022

  Prime Minister Fumio Kishida served 'grilled Jinseki beef fillet' to U.S. President Joe Biden during his Japan visit.

• 2015

  The Jinseki Beef Promotion Council established a new certification system for the Jinseki beef brand.

• 2014

  Eight organizations including Jinseki Kogen Town, the wagyu improvement association, the chamber of commerce and JA Fukuyama formed the Jinseki Beef Promotion Council.

• 2013

  Hiroshima Prefecture launched the new prefectural brand 'Hiroshima Bloodline Wagyu Motonari'.

• 1992

  Offspring of 'Dai-3 Shinryu no 4' won the top gold prize in the beef cattle section at the 6th National Wagyu Ability Competition.

• 1986

  Hiroshima Prefecture announced the unified 'Hiroshima Beef' brand; Jinseki beef disappeared from the domestic wholesale market.

• 1982

  'Dai-3 Shinryu no 4' won the top prize in the young bull section at the 4th National Wagyu Ability Competition.

• 1980

  The bull 'Dai-3 Shinryu no 4' was born in Jinseki Town.

• 1955

  'Dai-2 Yokotoshi' won first prize at the Hiroshima Prefectural Livestock Fair and was used as a seed bull.

• 1954

  The bull 'Dai-2 Yokotoshi', descended from Toyoman on both sides, was born in Shinsaka Village, Jinseki District.

• 1927

  Jinseki bull 'Toyoman' pulled the imperial hearse at Emperor Taisho's funeral, the first non-Tanba oxen chosen.

• 1926

  Crown Prince Hirohito visited Hiroshima; Jinseki bulls 'Toyokami' and 'Toyomi' were presented at Fukuyama Castle.

• 1916

  A Hiroshima Prefectural livestock station was established in Jinseki District to raise and distribute seed bulls.

• 1909

  A district livestock station was established at Yuki Tenjimbara to breed seed cows.

• 1624

  Tokubei of Yagawa Village, Iishi District, Izumo, purchased a seed bull from Jinseki; its breeding became Yagawa cattle.

• 1558

  According to tradition, Hirakori in Toyomatsu Village, Jinseki District, studied and spread cattle-raising methods, regarded as the origin of Jinseki beef.

Rare, high-end regional wagyu positioned as 'the phantom wagyu' and 'the highest peak among wagyu', with only about 400 head shipped annually.

• Jinseki beef (Japanese Black wagyu)

  Beef from Japanese Black cattle raised in Jinseki Kogen Town, certified under the Jinseki Beef Promotion Council system.

• Jinseki beef fillet

  Fillet cut served at official functions and branded restaurants.

• Yakiniku cuts

  Cuts served at Yakiniku Jinseki Nishiazabu and Premium Yakiniku Jinseki.

1. 1神石牛公式サイトjinsekigyu.jp
2. 2神石牛 - Wikipediaja.wikipedia.org
3. 3Jinseki beef - Wikidatawikidata.org