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BFCA has donated over
$50,000 in the past to help fund research projects that are pertinent to
the health and future of Bichons. Donations from owners or friends of
Bichons are encouraged so this can continue. See our Donate/Memorial
and Boutique areas for more details. The BFCA health committee is very
pleased that 4 of the top 5 diseases in Bichons are targeted in the
studies below: skin problems/allergies, bladder stones, patellar
luxation, dental disease, and cataracts. Liver disease is the #8
disease in Bichons, and diabetes the # 10 disease.
Completed studies to
which BFCA has donated funds
1.
Juvenile cataracts:
Dr. Kirk Gelatt at the
University of Florida conducted Bichon cataract research for more than
10 years, including a search for the DNA marker for inherited
cataracts. His published paper on his findings can be found on this web
site at
http://bichonhealth.org/HealthInfo/CataractInheritance.asp. We
accomplished some, but not all, of our goals. While we did not get a
DNA marker out of our program, we did eliminate a lot of possible
markers and did identify mode of inheritance and familial lines and -
very important - we got the attention of Bichon breeders around the
world. Remember that negative results are also results. We can
exclude lots of possible markers in future research by virtue of those
eliminated already. Unfortunately cataracts occur in several locations
on the lens of the eye and therefore may have different markers for each
type or location of cataract. This has probably made it more difficult
to identify the DNA marker. Continued screening and avoidance of
breeding affected dogs is a very positive method of eliminating
disease. All breeders MUST continue to follow that practice in hopes of
reducing incidence of cataracts in Bichons.
Current, ongoing
studies to which BFCA has donated funds
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Patellar luxation:
The first study is Patellar Luxation in Dogs, which is ongoing in The
Netherlands by Dr. Herman Hazewinkel. Although his study is of
Flatcoated Retrievers, the data can be transferred to other breeds now
that the canine genome is mapped. His goal is to develop a
DNA-screening test for patellar luxation, which would be of great
value to Bichons.
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Allergies:
Dr.
Bruce Hammerberg at North Caroline
State University is trying to develop an assay (blood test) for
prediction of risk of atopic dermatitis (skin allergies) in dogs, a
debilitating disease that is the #1 health problem in Bichons. The
mast cells in the skin are mainly responsible for itching and skin
damage seen in atopic dermatitis. Dr. Hammerberg has discovered that
mast cells in atopic dogs release significantly more inflammatory
mediators than the mast cells in normal dogs. He hopes to identify an
inherited difference in atopic dogs, which can predict the risk of
developing atopic dermatitis.
Dr. Hammerberg is requesting our
assistance in sending blood samples via your veterinarian from Bichons
with a diagnosis of allergies and the parents, if possible. If you can
help, contact him via email at
Bruce_Hammerberg@ncsu.edu or phone
919-513-7712
for more details.
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Rabies:
Dr.
W. Jean Dodds, world-renowned vaccine researcher and practicing
veterinarian, and Kris L. Christine, a pet vaccine disclosure
advocate, have established the Rabies Challenge Fund. The fund will
support a 7-year and 10-year canine rabies vaccine challenge study in
the US and a rabies vaccine adverse reaction reporting system. The
goal is to prove that rabies vaccinations provide immunity for at
least 7 years, and perhaps 10 years. Rabies vaccination is required
by law in most states to be administered every 1-2 years, yet some
studies indicate the one-year vaccine may be effective for at least 3
years. Researchers believe that the rabies vaccine causes the most
frequent and severe adverse reactions in animals. See this web site
for more information:
http://www.dogsadversereactions.com/rabiesChallenge.html
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Liver shunts:
Dr. Sharon Center, the chief investigator at Cornell, is the top
canine liver expert in the USA who is devoted to this research.
Portosystemic vascular anomalies (PSVA) and microvascular dysplasia (MVD)
are related genetic disorders of the liver circulation that afflict a
number of small purebred dogs, including Bichons. This trait causes
high serum bile acid (SBA) values. Their goal is to identify a genetic
marker that will allow informed breeding strategies to significantly
reduce trait frequency.
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Diabetes:
Since
1992 the incidence of diabetes in Bichons has climbed from #22 to the
#10 disease. The onset of diabetes is middle to older age Bichons,
often after the breeding years. Dr. Rebecka Hess at the University of
Pennsylvania is attempting to
Identify possible genetic markers associated with diabetes in young,
unaffected, breeding dogs that will enable breeders to determine which
dogs should not be bred to one another years before the onset of
diabetes.
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Skin
disorders/allergies:
Dr. Cheryl London at
Ohio State University is researching the genetics behind mast cells
that produce a substance as a response to allergens, eicosanoid, a
powerful stimulator of inflammation. Disorders involving mast cells,
allergic reactions and autoimmunity, are becoming increasingly more
common in dogs. Humans have more mast cells in the respiratory tract
and dogs more in the skin, which explains why humans exhibit more
respiratory symptoms with allergic reactions, and dogs more commonly
develop skin irritations. The goal is to find therapeutic
interventions to inhibit the production of canine mast cell eicosanoid
as a reaction to
allergens.
Future research
to which BFCA plans to donate funds
Another pertinent
study that BFCA will donate funds toward, if CHF approves the grant, is
regarding bladder stones by Dr. Joe Bartges at the University of
Tennessee in Knoxville. He has been involved in bladder stone research
for many years, and now has interest in studying Bichons. He
discovered that Bichons develop calcium oxalate stones at a younger age
(sometimes as young as 1 year) compared to other breeds (usually 7-8
years of age), and that Bichons seem to be more difficult to treat. As
you probably know, calcium oxalate stones are genetic and struvite
stones are caused by diet and/or bladder infection, so are not
genetic. Struvite stones can be dissolved with diet, antibiotics, and
vitamin C supplements. Calcium oxalate stones cannot be dissolved so
must be removed surgically, which is a hardship for the owners and the
dogs that suffer with the pain and frequent bloody urination from the
stones. His goals include discovering why Bichons develop these stones
at a younger age (do bichons have a metabolic issue that causes this?),
how we can improve prevention and treatment, and finding a DNA marker
that could determine increased risk in forming these stones. Breeders
would benefit by being able to eliminate from their breeding programs
Bichons that have increased risk in forming calcium oxalate stones.
Judging from the frequency of emails about Bichons with calcium oxalate
stones that the BFCA Health Committee receives from our web site, some
Bichons requiring multiple surgeries for the stones, there is great need
to work toward preventing this disease that is the # 2 disease in
Bichons.
Other
research opportunites for Bichon owners who are willing to help:
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