X-chromosomal Myotubuläre Myopathie (XL-MTM) - Boykin Spaniel ISAG For official parentage verification of

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da die Funktion der Zapfen relativ gut erhalten bleibt

Angeborene kurzschwänzige Hunde sind in vielen Rassen vorhanden

meanwhile dogs which are severely affected have been reported to experience severe respiratory distress

X-chromosomal Myotubuläre Myopathie (XL-MTM) - Boykin Spaniel ISAG For official parentage verification ofMyotubular myopathy is a X linked recessive disorder. Affected infant male puppies show signs of facial, axial and proximal neuromuscular weakness with tetraparesis, difficulty holding the head up and a dropped jaw, including hypotonia and areflexia leading to respiratory insufficiency and death within 2 weeks. The symptoms usually occur postnatal and progress very quickly. The affected male puppies have to be euthanised due to progressive symptoms.