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Kai ken

The Kai Ken is one of Japan's six native breeds, from the mountainous Kai province, and is known as the tora inu or tiger dog for its brindle coat.

It hunted boar and deer in steep forest and is a designated Natural Monument in Japan.

It stands 43 to 53 centimetres, weighs 11 to 25 kilograms and lives twelve to fifteen years, with a harsh double coat that darkens into full brindle over several years. It climbs trees and swims, both of which it used in hunting. It is rare outside Japan, remarkably healthy, and temperamentally more people-oriented and less dog-aggressive than the larger Japanese breeds — though still independent and reserved with strangers.

Origin
Kai province, Japan; a Natural Monument
Size
43–53 cm; 11–25 kg
Lifespan
12–15 years
Coat
Harsh brindle double coat; the brindle deepens over years
Abilities
Climbs trees and swims — both used in hunting
Health
Exceptionally sound; few inherited conditions

Related: Alaskan Klee Kai

2 kai ken photos of 1 dog, newest first

Kai ken feed
  • Thistle III, a kai ken

    Thistle III

    Thistle III was promoted to baker guarding a runaway bread roll; unfortunately, a single enormous sock appears without explanation.

    FrostyOtter · 1 week ago

Living with a kai ken

One of the healthiest breeds there is, with essentially no widespread inherited disease — a consequence of being maintained as a working hunting dog in an isolated region.

They climb and jump remarkably well. Fencing needs to account for a dog that will go up and over, and secure containment is genuinely necessary.

Socialise early; they are reserved with strangers and naturally wary.

They are independent but more biddable and handler-focused than most Japanese breeds, and reward-based training works well.

The double coat moults heavily twice a year. Brush weekly and daily through it. Exercise needs are high and they enjoy hiking and scent work.

General guidance, not veterinary advice. Individual dogs vary, and anything about a specific animal is a question for a vet who has seen it.

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