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Genetic
and Suspect Genetic Health Conditions in the Doberman Pinscher
These health conditions have been identified in the Doberman Pinscher. It is
important to know the status before breeding a dog or bitch - clinically
affected dogs, dogs exhibiting symptoms for any of these conditions should NOT
be bred.
The text below is intended as an aid to those seeking health information and
should not be used to form a diagnosis replacing regular veterinary care by
one's own Veterinarian.
CARDIOMYOPATHY - is suspected to be an inherited disease in Dobermans.
Research is in progress in several institutions. An echocardiogram of the heart
will confirm the disease but WILL not guarantee that the disease will not
develop in the future.
HIP DYSPLASIA - is inherited. It may vary from slightly poor conformation
to malformation of the hip joint allowing complete luxation of the femoral head.
Both parents' hips should be OFA certified - excellent, good or fair rating.
HYPOTHYROIDISM - is probably inherited and means that the thyroid gland
is not producing enough hormone to adequately maintain the dog's metabolism. It
is easily treated with thyroid replacement pills on a daily basis. Thyroid
testing (T3, T4, TSH and autoantibodies) should be performed on an annual
schedule. Finding autoantibodies to thyroglobulin (T4 autoantibodies) is an
indication that the dog has "Hashimoto's Disease". Low thyroid dogs, manifested
by a high TSH and a low T4, should be treated and monitored on a regular basis.
vWd (VON WILLEBRAND'S DISEASE) - is an autosomally (not sex linked)
inherited bleeding disorder with a prolonged bleeding time and a mild to severe
factor IX deficiency. Von Willebrand's factor antigens of 70% 180% are
considered to be within the normal range for Dobermans. When dogs are tested
through the Elisa assay blood test for vWD, they are tested for carrier status
only NOT the disease. It is believed that carrier status tests (Elisa assay) are
inaccurate if a dog is ill, received any medication or vaccination within 14
days of testing, pregnancy, bitches in heat or lactation. Stress conditions
(infections, parasites, hormonal changes, trauma, surgery, emotional upset,
etc.) may have an effect on the outcome of the vWD blood test and might be a
contributing factor for bleeding tendencies. vWD carrier status is quite common
in Dobermans. A DNA test for vWD is now available - genetically: clear, carrier
(inherited one disease gene), affected (inherited two disease genes) - results
are not effected by stress conditions, etc.
WOBBLER'S SYNDROME - is suspected to be an inherited condition in
Dobermans. Dogs suffer from spinal cord compression caused by cervical vertebral
instability or from a malformed spinal canal. Extreme symptoms are paralysis of
the limbs (front, hind or all 4). Neck pain with extension and flexion may or
may not be present. Surgical therapy is hotly debated and in some surgically
treated cases, clinical recurrence has been identified.
PRA (PROGRESSIVE RETINAL ATROPHY) - is an inherited condition in
Dobermans. Clinically, visual acuity is diminished, first at dusk, later in
daylight. The disease progresses over months or years, to complete blindness. A
screening test is available and can be performed by a veterinary
ophthalmologist. CERF (Canine Eye Registration Foundation) will certify eyes for
12 months from the date of evaluation.
ALBINISM - "white coated" and "white factored" Dobermans should NOT
be bred. These dogs are *TYROSINASE POSITIVE ALBINOS*. In 1996, the AKC
established a tracking system (the letter "Z" will be part of the registration
number) allowing breeders to identify the normal colored Dobermans which may
carry the albinistic gene. All breeders should require an AKC certified pedigree
with colors to check that "white coated" and "white factored" dogs are not
present in the pedigree of the dog or bitch to be bred.
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