Duchenne-type muscular dystrophy, characterized by an early severe disease course and complete dystrophin deficiency caused by DMD null variants, has been previously reported in different breeds of domestic dogs (OMIA #001081-9615) [5,6,46,47,48,49,50], domestic shorthair as well as Maine Coon cats (OMIA #001081-9685) [2,3,4,8,9,11,41,51], pigs [16,17,19,20], mice [25,26], rats [28], and rabbits [29]. The gene discussed is DMD; the disease is Duchenne muscular dystrophy.