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YorkieRose · 02-27-2006, 02:45 PM

If you are talking about standard color Yorkies..it goes back to several lines. You are wise not to breed a sire and dam with these dogs in common. Outcrossing these lines seems to work fine. Testing parents who are clear of shunts means nothing in regards to a line that has other members who have produced shunts. LS is not a dominant gene so having parents with healthy livers does not mean they will not produce a pup with a shunt. It can skip many generations according to LS reaeachers.

If I had a set of parents produce a shunt puppy, I would never breed them together again...but I would breed them to others. If it repeated, then I would spay/neuter them.
I would not breed a male or female who had a LS full sibling.

Researchers think it is unlikely the blame of one parent...it seems to show up with a common ancester/ancestors.

02-27-2006, 02:45 PM	#5
YorkieRose No Longer a Member Join Date: Jul 2004 Location: South Florida Posts: 8,577	Ls If you are talking about standard color Yorkies..it goes back to several lines. You are wise not to breed a sire and dam with these dogs in common. Outcrossing these lines seems to work fine. Testing parents who are clear of shunts means nothing in regards to a line that has other members who have produced shunts. LS is not a dominant gene so having parents with healthy livers does not mean they will not produce a pup with a shunt. It can skip many generations according to LS reaeachers. If I had a set of parents produce a shunt puppy, I would never breed them together again...but I would breed them to others. If it repeated, then I would spay/neuter them. I would not breed a male or female who had a LS full sibling. Researchers think it is unlikely the blame of one parent...it seems to show up with a common ancester/ancestors.