Border Collie Kennel "v.d. Floretty Hof"

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Op dit moment is er een nieuw ziekte ontdekt bij de border collies. Het gaat om een oogziekte.

Er is helaas nog niks bekent over de vererving hiervan.

 

Verder op deze site vindt u een mail die we gekregen hebben van Alan Wilton uit Australie, hij doet daar onderzoek naar verschillende ziektes.

Ze willen graag meewerken om te kijken of we een DNA- test voor deze ziekte kunnen ontwikkelen.

Waarschijnlijk zal dit nog wel enkele jaren gaan duren.

 

De eerste symptomen waar mensen op moeten letten zijn:

 

De lens is groot en blijft ook groot,

Het oogwit van de oogbol wordt rood

Vaak is de hond ook slomer en prikkelbaar.

 

Mocht u twijfelen neem dan contact op met de fokker of met de dierenarts.

 

 

The recent cases of glaucoma are very unfortunate.

Glaucoma is not common in Border Collies or we would have many dogs with loss of sight in one or both eyes.

There have been about 5 cases recorded in Australia in last 20 years.

It would not hurt to have a few animals tested by an eye doctor but I do not think it necessary to go to the expense of testing them all.

We are not even sure what is abnormal eye structure and likely to develop into glaucoma and what is normal variation between dogs.

They look at the "angle" which is the gap between the iris and cornea.

If we collect blood samples from glaucoma cases we may, in the future, be able to develop a DNA test

if it turns out to be simply inherited.� We do not know how it is inherited at this time. �It would take several years to complete the research and would require funding to finance it but we will do our best.

I have included a copy of the form we put together for samples for this type of research.

Also, here is some info I put together.

Regards

Alan

Cases of glaucoma have recently been found in Border collies.� Glaucoma cases seem to rare in Border collies and the breeders can not be blamed for these cases.� They had no way of knowing it would develop.� If glaucoma was common we would expect to see a lot more dogs going blind.

We currently know little about the genetics of glaucoma in Border collies.� If it has a genetic basis we do not know how it is inherited.� Glaucoma is a build up of pressure in the eye because the fluid drainage system is blocked.� Blockage could be more likely in animals with particular eye structure, perhaps inherited.� As in the case of Collie Eye Anomaly, just because a dog has the unusual eye structure does not mean it will develop symptoms.

There are currently no DNA tests for predisposition to glaucoma in Border collies.� If samples are collected from cases now, research can be done and in several years a test might be developed, if a funding source is found for the work.

Breeders with dogs related to glaucoma cases who are worried about breeding from them could have them tested be a veterinary ophthalmologist to see if the dogs are predisposed to glaucoma.� However, this will not tell them whether any pups they produce will become affected.� Only a small proportion of dogs related to glaucoma cases are likely to develop the condition.� It is an individual decision for each breeder whether to use glaucoma related dogs or not.

There is a lot of general information about glaucoma available on the web.� Below are a few informative sites.

Good description of Narrow angle glaucoma