Shadai Corporation is consisted of main office Shadai Stallion Station, Shiraoi farm which is bloodmare section, Shiraoi farm Yearling which is yearling section, and Shadai horse clinic.

Company Name
Shadai Corporation Ltd.
Main Business Activities
General Thoroughbred Operation
Date Established
Feburary 20, 1965
31,000,000 yen (JPY)
Number of Employees
Teruya Yoshida
275 Hayaktia-Genbu, Abira-cho, Yufutsu-gun, Hokkaido 059-1432


Shadai Stallion Station

Shadai Stallion Station estate comprises 30 hectares and has been around 30 stallions standing at our stud. Shadai Stallion Station has had a long list of champions, including successive Northern Taste and Sunday Silence, on its past and present rosters since 1982.

275 Hayaktia-Genbu, Abira-cho, Yufutsu-gun, Hokkaido 059-1432
tel.+81(0)145-22-4581 fax.+81(0)145-22-4583

View on Google Maps.
The appearance of the Shadai Stallion Station

Shiraoi farm

Shiraoi farm adjoning the Pacific Ocean has about 130 mares. Best progenies: Triple crown champion racehorse Orfevre, Japan Cup winner Zenno Rob Roy.

271 Shadai, Shiraoi-cho, Shiraoi-gun, Hokkaido 059-0901
tel.+81(0)144-82-2136 fax.+81(0)144-82-4721

View on Google Maps.
Shiraoi farm HP
Image of the Shiraoi farm

Shiraoi farm Yearling

Hayakita farm takes care of yearlings after weanling on attention. Best progenies: Orfevre, IFHA top rated Dubai Duty Free winner Just a Way, and Japanese 2,000 guineas winner Isra Bonita.

317-1 Hayaktia-Tomioka, Abira-cho, Yufutsu-gun, Hokkaido 059-1434
tel.+81(0)145-26-2225 fax.+81(0)145-26-2226

View on Google Maps.
Image of the Shiraoi farm Yearling

Shadai horse clinic

Shadai horse clinic is a preeminet equine hospital in Japan. We are provide dedicated services for horses requiring specialized medical and surgical care.

100-12 Uenae, Tomakomai-shi, Hokkaido 059-1365
tel.+81(0)144-58-2254 fax.+81(0)144-58-3139

View on Google Maps.

The appearance of the Shadai horse clinic


In 1955, original Shadai farm was established and steadily enhanced. In 1994, it was spun off into Shadai farm, Northern farm, and Oiwake farm. In 1980, Shadai Thoroughbred Club was found as racing club. Then Sunday Thoroughbred Club, Shadai Group Owners, and G1 Thoroughbred Club were found as well. Share holders can own shared horses through the racing club easily.

Racehorse breeding and raising

Shadai farm

In 1955, original Shadai farm was established at Chiba, near Tokyo. And then in 1994, current Shadai farm was found in Chitose, Hokkaido. Shadai farm has own training center near the farm and in Miyagi, main land Japan. Best progenies: Dubai World Cup winner Victoire Pisa, Japanese Derby winner Neo Universe, Champion Miler Daiwa Major.

Head office / 1288-140 Higashioka, Chitose-shi, Hokkaido, 069-1181

Shadai farm HP
Image of the Shadai farm

Northern farm

In 1994, Northern farm was established at Abira, Hokkaido. Northern farm also owns 2 main training centers in both east and west of Japan. Best progenies: Best regendary champion horse Deep Impact, Triple tiara winner Gentildonna, Japanese Derby winner King Kamehameha.

Head office / 275 Hayaktia-Genbu, Abira-cho, Yufutsu-gun, Hokkaido 059-1432

Northern farm HP
Image of the Northern farm

Oiwake farm

In 1995, Oiwake farm was established at Oiwake area, Hokkaido. Then own brilliant training center, Oiwake farm Lily Valley, was built in 2011. Best progenies: Champion dirt sire Gold Allure, Mile Championship winner Persian Knight.

Head office / 1233-1 Oiwake-Koyo, Abira-cho, Yufutsu-gun, Hokkaido 059-1984

Oiwake farm HP
Image of the Oiwake farm

Racing club

Shadai Thoroughbred Club

Owned horses: Only beating Deep Impact Japanese trained Grand Prix winner Heart's Cry, Dirt champion horse Gold Allure, Japanese 2,000 guineas and Derby winner Neo Universe, and Frankel's super champion filly Soul Stirring.

Tokyo Head office / Shadai Bldg. 5-17-9 Roppongi, Minato-ku, Tokyo, 106-0032 tel.+81(0)3-3583-8095

Shadai Thoroughbred Club HP

Sunday Thoroughbred Club

Owned horses: Japan Cup and Dubai Sheema Classic winner Gentildonna, Triple Crown Champion Orfevre, Japanese 2,000 guineas and Derby winner Duramente, Japanese Derby winner Deep Brillante, Hong Kong Queen Elizabeth Ⅱ Cup winner Rulership.

Tokyo Head office / Precious Roppongi Bldg. 5-18-18 Roppongi, Minato-ku, Tokyo, 106-0032 tel.+81(0)3-3560-7120

Sunday Thoroughbred Club HP

G1 Thoroughbred Club

G1 Thoroughbred Club was newly established in 2009. Owned horses: Mile Championship winner Persian Knight, American Jockey Club Cup winner Tanta Alegria, 2 Grade 3 races winner Albert Dock.

Tokyo Branch / 5-17-9-♯303 Roppongi, Minato-ku, Tokyo, 106-0032 tel.+81(0)3-3505-4111

G1 Thoroughbred Club HP

Racehorse Syndicates

Shadai Group Owners

For only JRA or NAR owner join this club. Owned horses: Japanese 2,000 guineas record winner Logotype, Japan Cup winner Screen Hero, Champion dirt horse Gold Dream.

Tokyo Head office / 5-17-9 Roppongi, Minato-ku, Tokyo, 106-0032 tel.+81(0)3-5572-6850

Shadai Group Owners HP


Northern Horse Park

Northern Horse Park has a wide range of activities and events throughout the year. Having fun with horses and enjoying nature has never been easier. Our restaurants offer a variety of delicious dishes made from fresh, local ingredients. The unique wedding venue is an ideal choice for couples to celebrate their vows. The complete, personalized service offered will ensure that the memories of this milestone will be treasured forever.
The Park is affiliated with Northern Farm, a racehorse breeding and training farm. We have a complete range of facilities for competitive equestrian events, and we are dedicated to the development of Equestrian culture in Japan. Also the Park is very popular place you can meet the retired thoroughbreds.

114-7 Misawa, Tomakomai-shi, Hokkaido, 059-1361 tel. +81(0)144-58-2116

Northern Horse Park HP