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Okukuji Shamo Chicken
奥久慈しゃも Ibaraki
English name: Okukuji Shamo Chicken — based on the English name in the GI register, “Okukuji Shamo Chicken”.
GI registered No.71
Requirements for Okukuji Shamo Chicken: breed — Shamo (game fowl) cross; where raised — raised in Daigo (Kuji District), Hitachiomiya, Hitachiota and Takahagi in Ibaraki; rearing period — counted from hatching: males at least 110 days of age, females at least 130; housing — floor housing; from 28 days of age, 10 birds per m² or fewer. Also: no animal protein and no antibacterial feed additives (veterinary antimicrobials are used under the guidance of the livestock hygiene service center); From about 28 days of age, a compound feed of maize, milo and oil meals with salt, calcium and botanical supplements; feed rice is allowed up to about 10% of feed weight.
Definition — what qualifies
| Breed | Shamo (game fowl) cross Chicks bred from a Shamo male and a (Nagoya male × Rhode Island Red female) hybrid female; the foundation stock is selected and bred by the Ibaraki Livestock Center Sources: [G0071] |
|---|---|
| Where it must be raised | Raised in Daigo (Kuji District), Hitachiomiya, Hitachiota and Takahagi in Ibaraki Sources: [G0071] |
| Rearing period / age at shipment | Counted from hatching: males at least 110 days of age, females at least 130 Sources: [G0071] |
| How it is housed | floor housing from 28 days of age, 10 birds per m² or fewer Sources: [G0071] |
| Other conditions |
No animal protein and no antibacterial feed additives (veterinary antimicrobials are used under the guidance of the livestock hygiene service center) [G0071] From about 28 days of age, a compound feed of maize, milo and oil meals with salt, calcium and botanical supplements; feed rice is allowed up to about 10% of feed weight [G0071] |
Japan's JAS standard for jidori sets four conditions: the chicks, the rearing period, the housing and the stocking density. A brand's own conditions can be stricter, or set differently. The JAS standard for jidori →
Native breeds named in this brand's cross: Shamo ・ Nagoya ・ Rhode Island Red （All 38 native breeds）
The specification does not mention a native-breed blood percentage or the JAS standard for jidori.
Compared with other brands
21 chicken brands set a minimum rearing period, from 75 to 150 days. The shorter of its two figures, 110 days, ranks 9th from the longest. 17 brands cap the number of birds per square metre, from 2 to 10. 10 birds ranks 8th from the most spacious (9 others also use 10).
This guide lists 4 brands from Ibaraki (also Hitachiwagyu Beef, Hitachi no Kagayaki and Rose Pork). By prefecture →
Compare this brand side by side with others → ・ Find brands by their rules →
Counts cover only the brands in this guide.
Geographical Indication (GI)
- Registration no.
- No.71
- Registered
- 2018-12-27
- English name in the GI register
- Okukuji Shamo Chicken
- Registered producer group
- Okukuji Shamo Producers' Cooperative
This definition is taken from the production method in the specification registered with Japan's Ministry of Agriculture.
Guides
Managed by
- Managed by
- Okukuji Shamo Producers' Cooperative
Other brands from Ibaraki
- Hitachiwagyu BeefBeef brands
- Hitachi no KagayakiPork brands
- Rose PorkPork 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
- [G0071] 地理的表示 登録番号第71号「奥久慈しゃも」明細書 — Ministry of Agriculture, Forestry and Fisheries (GI) ・ Primary source ・ Accessed 2026-09-25