The progenitors of the Kobe and Mishima cattle were probably brought to Japan by ancestors of the modern Japanese people over 2,000 years ago. Whereas Kobe beef is the result of breeding these with European cattle, the Mishima have never been crossed with modern European breeds. This is possible because of the area's unique island geography.
Mishima beef should not be confused with Mishima Ranch beef, which is an American style Kobe beef produced by Brand Advantage Partners located in Boise, Idaho.