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by Goldens on 06 January 2010 - 02:01
Does anybody have any information on this disease? It is called persistent right aortic arch. I cannot find anything that proves it is genetic. Also, what about breeding the sire or dam again? Internet sources say that with screening, littermates could be bred but not the parents? For a disease there seems to be no test for this makes no sense to me. Any information breeders wish to share?
by Samba on 06 January 2010 - 03:01
Not a breeder, but I wouldn't put the pair together again that produced it.
by dogshome9 on 06 January 2010 - 11:01
I had a litter of 7 pups almost 4 years ago and 1 puppy had this condition he looked to be perfectly normal until he was 6 weeks old. He had corrective surgery at 9 weeks of age. Last time I heard from his owners, he was still doing very well.
I also kept a female from the litter and she has been bred from once and did not produce the condition even so I would not breed to that stud again.
I also kept a female from the litter and she has been bred from once and did not produce the condition even so I would not breed to that stud again.
by Jenni78 on 06 January 2010 - 12:01
There is no proof it is genetic. People don't understand that "congenital" does not always mean "inherited". PRAA is one of those things that occasionally crops up. Is there a predispositon to it in some dogs? Probably. But it can also simply be one of those "shit happens" things that occur when that particular fetus is developing.
There was a thread on here recently about it, where an owner came on here blasting the breeder and saying those dogs should never be bred and she got jumped on b/c there is no proof that those 2 dogs are any more likely to produce it than any other 2 dogs. Out of countless progeny- I'll be conservative and guess that these two were bred 5 times w/about 10 pups each time (this bitch had huge litters) so let's round that to 50 pups. ONE dog had PRAA, so that's 1 in 50 (and these dogs are all plenty old enough to be sure they don't have it), 2 in 100, although stats don't really work like that, but for argument's sake, that's a 2% chance.
Is a 2% chance enough reason to say those 2 dogs should never be bred? Methinks not!
It also depends on what the dogs are producing otherwise. If they are just pets that someone feels like breeding for no good reason than puppies are cute, then that's a factor, too. If, like in the case above, it's a case where the 2 are consistently producing exceptional working dogs in every way, I stand by my statement that it's not enough to make me stop breeding them.
However, if I had one or two litters out of particular pair, and say 2-3 pups had it, that's a different story, IMO. It is easily correctable, as noted before.
There was a thread on here recently about it, where an owner came on here blasting the breeder and saying those dogs should never be bred and she got jumped on b/c there is no proof that those 2 dogs are any more likely to produce it than any other 2 dogs. Out of countless progeny- I'll be conservative and guess that these two were bred 5 times w/about 10 pups each time (this bitch had huge litters) so let's round that to 50 pups. ONE dog had PRAA, so that's 1 in 50 (and these dogs are all plenty old enough to be sure they don't have it), 2 in 100, although stats don't really work like that, but for argument's sake, that's a 2% chance.
Is a 2% chance enough reason to say those 2 dogs should never be bred? Methinks not!
It also depends on what the dogs are producing otherwise. If they are just pets that someone feels like breeding for no good reason than puppies are cute, then that's a factor, too. If, like in the case above, it's a case where the 2 are consistently producing exceptional working dogs in every way, I stand by my statement that it's not enough to make me stop breeding them.
However, if I had one or two litters out of particular pair, and say 2-3 pups had it, that's a different story, IMO. It is easily correctable, as noted before.
by Samba on 06 January 2010 - 22:01
It is true that congenital does not equal genetic. I think PRAA occurs often enough in the breed that a genetic basis is suspected. I will ask the canine cardiologist next time I see her what she knows of it in the breed. A breeder can hardly be held responsible for this happening though unless they breed affected dogs,etc.
http://www.ncbi.nlm.nih.gov/pubmed/15074857
http://www.ncbi.nlm.nih.gov/pubmed/15074857
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