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| Legg-Calve-Perthes | |
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| Topic Started: Feb 2 2007, 09:59 AM (223 Views) | |
| Post #1 Feb 2 2007, 09:59 AM | Mary Henderson |
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Since we are talking about rear limb problems.... How about Legg Calves Perthe? I have recently heard about this disease and since our breeds do not have a genetic marker, how does one figure out if the prblem is genetic or caused by an injury? I've done a little bit of research but nearly everything I read does not give a clear indicator. Thanks, Mary |
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| Post #2 Feb 3 2007, 12:33 PM | Rolling Hill |
The treatment for Legg-Calve-Perthes is surgical...a femoral head osteotomy. After the head of the femur is removed, you can send it off for histopath and you might be able to tell if it was hereditary or traumatic. If the cause can't be determined and it's in a breed where this disease occurs, I would error on the safe side and say it's hereditary. I wouldn't repeat the cross that produced an affected pup. I've seen dozens of dogs that have received major trauma to their pelvic area...none of them ever came up with LCP. |
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| Post #3 Feb 3 2007, 04:51 PM | Mary Henderson |
I understand about not making the cross again... The thing I do not understand is when a pup is affected and one cannot find another affected pup from the line. I understand that not all breeders are forthcoming about problems in their lines but the lines I'm looking at have grandparents that are still being used for breeding as well as great grandparents and GG grandparents. If any of these individuals had produced a pup with LCP you would expect that most of these animals would be spayed or neutered. |
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| Post #4 Feb 4 2007, 11:07 AM | Rolling Hill |
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OFA site on LCP They don't know the inheritance pattern for LCP but they suspect either polygenic or autosomal recessive with incomplete penetrance. Either pattern makes it hard to produce an affected dog consistantly. Just because a pairing has produced an affected pup doesn't mean that the parents should never be bred again...just not to each other. It all comes down to what the breeder is comfortable with and what they can find out about the line. A single affected pup may be all that you ever see. Hope this helps! |
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| Post #5 Feb 4 2007, 01:52 PM | Mary Henderson |
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I've talked to my vet about this subject, (in her years of practice she has not seen it in Jacks). I am planning to have all of my PRTs OFA evaluated and she said it is a good idea as the small dogs can have such strong muscles that a slight problem may not be noticeable. Thanks for for the information :) |
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| Post #6 Feb 4 2007, 02:04 PM | Rolling Hill |
You're welcome! You know, if you send in pelvic x-rays to the OFA for hip dysplasia, your LCP cert. is free...just fill out the paperwork.
 http://www.offa.org/lcpfromhdappbw.pdf |
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| Post #7 Feb 4 2007, 02:26 PM | Cricket Knoll |
| Have you noticed that if you send in results to OFA for certification...(I've only sent BAER results so far) but the Russell Terrier is not designated as a separate breed....I believe that Parsons and Russells are all considered "Jack Russsell Terriers"...is that correct? I know that my CERF certificates had to be corrected because the dogs were listed as Parson Russell Terriers. I don't know how important it really is that the breed designation be correct, but if you were going to compile statistics per breed, I would guess that the numbers would be skewed... |
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| Post #8 Feb 4 2007, 03:01 PM | Rolling Hill |
You have to go over your certificates carefully when you get them back...to look for mistakes...especially when you are registering results for the first time. I had the breed "Russell Terrier" added when I first started sending in my CERFs as they didn't have that breed on their list. They have made a few mistakes with my results in the past. I think CERF once turned one of my dogs into a Yorkie so I couldn't find my results online. :wacko: I don't know if they lump their statistics together but I wouldn't think so or they would just call them all JRTs. That's something we should look into. |
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| Post #9 Feb 4 2007, 05:53 PM | Cricket Knoll |
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Melissa, I'm talking about OFA. My CERF certificates were wrong and they were very anxious to correct the problem....but I checked the OFA site and they designate neither Russell Terrier nor Parson Russell Terrier... OFA seems to group them all together as Jack Russell Terriers (unless I'm missing something....) |
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| Post #10 Feb 4 2007, 06:05 PM | Rolling Hill |
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Everything I have from the OFA has "Russell Terrier" on it and the OFA records CERF results as long as the dog already has an OFA number. Example: http://www.offa.org/results.html?all=charm...s+of+jp&x=0&y=0 |
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4:08 PM Nov 28
