Hayama Beef
葉山牛 Kanagawa
English name: Hayama Beef — no official English name found, so romanised by this site.
Requirements for Hayama Beef: breed — Japanese Black (heifers (never calved), steers); age — fattened for at least 12 months on the producing farm; grade — meat quality grade 4 or higher; yield grade A or B. Also: raised on member farms on the Miura Peninsula with farm-mixed feed and no growth hormones; Sold through the central wholesale meat market in Kanagawa or Tokyo. Not specified: where raised.
Definition — what qualifies
| Breed | Japanese Black Sex / type: heifers (never calved), steers Sources: [B012] |
|---|---|
| Where it must be raised |
Not set (no such requirement in the source) |
| Age / fattening period | Fattened for at least 12 months on the producing farm Sources: [B012] |
| Grading | Meat quality grade 4 or higher; yield grade A or B Sources: [B012] |
| Other conditions |
Raised on member farms on the Miura Peninsula with farm-mixed feed and no growth hormones [B012] Sold through the central wholesale meat market in Kanagawa or Tokyo [B012] |
Grades follow the Japan Meat Grading Association: yield grade (A–C), meat quality grade (1–5), and marbling as BMS No. (1–12). How Japanese beef is graded →
Compared with other brands
This guide lists 75 beef brands that require Japanese Black cattle. 61 beef brands set a meat quality grade. 24 of them, including Hayama Beef, require grade 4 or higher or something stricter. 7 beef brands set a minimum fattening period, from 12 to 20 months. 12 months ranks 5th from the longest (2 others also use 12).
This guide lists 3 brands from Kanagawa (also Yamayuri Pork and Yokohama Beef). By prefecture →
Compare this brand side by side with others → ・ Find brands by their rules →
Counts cover only the brands in this guide.
Guides
- Does Kobe beef have to be A5? We counted the grading rules of 100 Japanese beef brands
- Heifers, steers, or anything? The sex rules of 100 Japanese beef brands
- Where must Japanese brand beef be raised? We counted the region rules of 100 brands
- How old is Japanese brand beef? We counted the age rules of 100 brands
- What counts as wagyu? Four breeds, born and raised in Japan — and how 100 beef brands break down
Managed by
- Managed by
- Miura Peninsula Dairy Federation, Hayama Beef Shippers' Group
- Official site
- https://hayama-miura-rakuren.jp/about.html
Other brands from Kanagawa
- Yamayuri PorkPork brands
- Yokohama BeefBeef brands
About the names
Brand names are proper nouns. English names follow the brand association's official English page first, then the English name in the GI register, and otherwise romanised Japanese plus "Beef", "Wagyu" or "Pork". We never call a non-Wagyu brand Wagyu.
Sources
Sources are in Japanese
- [B012] 葉山牛の定義 — Miura Peninsula Dairy Federation ・ Primary source ・ Accessed 2026-09-18