Wonderful pedigree Siberian kittens sometimes available to loving INDOOR ONLY homes.
To go on my waiting list you will be required to pay a non refundable deposit of £100 to secure a place. (this comes off the overall cost of a kitten). On choosing your kitten a further £100 is required to reserve them and the balance payable on collection.
Sorry I no longer accept waiting list enquiries without a deposit.
Please contact me via my website !

Allergy testing available on request for a small fee

WARNING! Scammers on free advertising sites selling so called pedigree kittens for cheap, do not approach these people and go only to a registered breeder. I have also noticed people selling very young unvaccinated, unregistered kittens for cheap on these sites, again these type of kittens do not make great pets and are far to young to be rehomed, they most likely won't be purebred siberians either!

Information on my website 'adopting a kitten page' on why you should choose a reputable, registered breeder.

Saturday, 15 October 2011

HCM scanning

I am pleased to say that I had 3 of my cats hearts scanned today for hypertrophic cardiomyopathy and all cats were found to have apparently healthy hearts with no signs of HCM on ausculation and ultrasound examination. These cats were Karlisa, Boris and Belle ( Mother, son and daughter). You may be wondering what this condition is and why they have been scanned? click here for link of brief explanation of the disease.
This disease has been found in this breed along with cases of pkd, testing for the latter is pretty straight forward and a simple gene test can normally pick up the the identified mutation which is believed to have come into the breed from outcrossing to persians, but HCM is alittle more difficult as more than one gene can cause it. At the moment no gene test is available for HCM in this breed although researchers are working on finding the responsible gene(s) and so only by having cats hearts examined via ausculation (listening with a stethoscope) for murmurs and ultrasound examination of the heart muscle can changes be picked up. Hcm causes thickening of the heart muscle leading to heart failure or sudden death. Due to the nature of the disease it does not mean that a negative cat will stay that way and so regular monitoring of breeding cats is needed to ensure they stay healthy. The recommended testing as far as I am aware is once a year until 3 yrs old (start at 12 months) and then every 2-3 yrs there after. Karlisa is three now and so will hopefully be tested one last time before she retires in a couple of years. Her offspring and any future breeding cats will also be tested.

I am working on testing the other girls in due course and Rasputin will be tested once he is 12 months old. The lines I have tested so far are the lines that I will most likely sell offspring from for breeding hence my decisions to test those first. The other lines I have not decided if I will continue to work with or keep in breeding but if they stay in breeding then they will be tested. It is a difficult disease to control and it is impossible to eliminate all genetic disease. Care must also be taken not to abandon all lines that may have issues further back as if we do that then we severely restrict the gene pool leading to other health issues. HCM has been tracked back to a small handful of foundation cats and lines with heavy inbreeding. Quote from SRI data 'The highest levels of deaths are reported on lines with heavy inbreeding '

My aim is to follow advice from SRI and try to select lines with minimal or no cases of HCM reported, test breeding cats regularly and keep inbreeding to a minimum. I would like to say that at the moment HCM is not a big problem in the breed as in some other breeds but careful monitoring and testing is needed to help bring to light cats with this gene.

4 comments:

  1. Great news Clare.

    Royal Dick Vet (Centre of Excellence) recommend testing from 18 months onward, as prior to that - the heart is still developing and there have been some false results in younger cats. However, each Vet/Specialist does have a different approach and its important that we all take advice and work with those whom we use.

    Currently in Scotland, thanks to the UK Bengal Breeders, we have a lecture on HCM planned next month, and then a series of scanning clinics planned - which will enable breeders of breeds which are affected by HCM - to have their cats scanned by an expert cardiologist.

    I think your point regarding 'not abandoning all lines which may have had issues further back' is wise - as if we do that - we end up reducing gene pool and open the Siberian up to other issues.

    I think its also important that we are all aware that the SRI don't have all information - in that unfortunately not all owners/breeders report cases of HCM. So - by doing what you are doing - i.e., scanning - its the right step.

    Lesley x

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  2. Thanks, I hope to gain more information soon on the subject from various cardiologists with regards testing and take it from there. HCM can occur at any age and so its difficult to control and yes im sure you are right in that there will be lines not listed who have had issues. All we can do in try and choose our lines wisely, not reduce the gene pool too much, not double up too much and hope for the best and abandon lines which have caused issue whether it be HCM or something else. Im very happy with this line at present and have not had any major issues with Karlisa so I think it will be a good line to work with in future and base my cattery on as ive had it for 2.5 yrs now. Others are fairly new and im still observing them along with relatives from the lines.

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  3. Clare - the HCM lecture which is planned in Scotland. I will make sure that any notes/information etc., is passed on. I know there has been talk about someone possibly trying to do a video - so will see what transpires.

    I think that responsible breeders are keen to ensure that their lines are healthy - and only by taking advice and learning ourselves - can we hopefully try and alleviate as much as possible in terms of any genetic problem.

    I know that the lines I have imported are from HCM screened backgrounds - not that it guarantees there won't be a problem - as it can strike any cat - but it does, at least, give some reassurance. Like everything in life, nothing is sure or certain :)

    Will update you regarding the lecture once its taken place x

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  4. It would be good to see the result of the lecture, nice to have that available near you. Its hard choosing lines as like you say it relies on breeders/owners reporting issues and not all do so we have to be realistic and not be complacent just because the lines appear clear. There are so many things to consider when breeding responsibly but I feel we owe it to the breed to keep them as healthy as possible.

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