List of unexceptable defects and problems as
compiled from those reported in the breed


Disease/Defect
Description
Mode of Inheritance
Cleft Palette/Hair Lip Cleft Palette is the nonclosure of bones of upper jaw and roof of mouth commonly associated with hair lip.
Unknown in most breeds
Color Mutant Alopecia Loss of hair associated with the dilute color gene.
Recessive
Cryptorchidism  Undecended testicles.
Unknown
Demodectic Mange  Hairloss caused by a tiny mite "demodex canis"
Unknown
Entropion Eyelids roll in, causing hair to rub on eye, can lead to blindness.
Recessive
Hernia Inguinal Bulging of abdominal contents in groin area. Seen only in female dogs.
Recessive
Hernia Umbilical Bulging of abdominal contents at umbilicus. Common usually harmless.
Recessive
Hip Dysplasia  Progressive, developmental deformity of hip joints; sysmtomless to crippling.
Polygenic? Unknown
Hydrocephalus Increasef fluid pressure within rain damages and destroys nerves.
Several recessives
Long Hair Hair that exceeds 1 inch in length
Recessive
Monorchidism One testicle present in body that may or may not be decended.
Unknown
Patella Luxation Knee cap slips out of its groove; symtomless to crippling, can be either outward or inward.
Recessive? Unknown
Perthe's Disease Degeneration of the femoral head of the hip bone.
Simple autosomal recessive?
Retinal Atrophy Retina degenerates, causing first night blindness then total blindness.
Recessive
Seizures/Fits/Epilepsy Recurrent seizures, with onset at one to three years.
Unknown