Blondi profoundly distraught when he lost him. He had been given a German Shepherd before named "Prinz" in 1921, during his years of poverty, but he had been forced to lodge the dog elsewhere. However, she managed to escape and return to him. Hitler, who adored the loyalty and obedience of the dog, thereafter developed a great liking for the breed. He also owned a German Shepherd called "Muckl". Before Blondi, Hitler had two German Shepherd dogs, a mother [born 1926] and daughter [born ca. 1930] – both named Blonda. In some photos taken during the 1930s the younger Blonda is
German Shepherd GSDs to be homozygous for the mutation, with a further 38% being carriers. Now that a test is available the disease can be bred out of breeds with a high preponderance. The test is only recommended for predisposed breeds, but can be performed on DNA samples from any dog, collected through swabbing the inside of the animal's cheek with a sterile cotton swab. Prospective German Shepherd buyers can now request the test from the breeder or buy from a breeder that is known to test their dogs. Additionally, German Shepherds have a higher than normal incidence of Von Willebrand disease,