オールド・イングリッシュ・ブルドッグ
This breed originated in the second half of the 19th century. The breed started from the native Shikoku-Inu (an indigenous dog weighing about 25 kilograms (45 pounds) and standing about 55 centimetres high). These dogs were crossed with European dog breeds, such as the Old English Bulldog in 1872, English Mastiff in 1874, Saint Bernard and German Pointer in 1876, Great Dane in 1924, and Bull Terrier. The aim was to breed a larger, more powerful dog specifically for dog fighting competitions in Japan. The heyday of Tosa breeding was between 1924 and 1933, when it was said that there were more than 5,000 Tosa breeders in Japan.