Dobermann - has the highest frequency of this condition.It occurs in 93 percent of blues and 75 percent of fawns.

• %23[[杜宾犬]]-是所有犬种中具有最高该疾病患病率的犬种.；93%25的蓝色杜宾和75%25的黄褐色杜宾患有该疾病