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Originally Posted by lksdolls  Liver shunts has nothing to do with breeding them down in size. It can occur in any size dog, it's just more common in yorkies than other breeds. |
It's not about size, it's about looking at one trait when breeding and not considering why that trait is there. When you hold back all the tiny males to breed because you want smaller pups you have to investigate why the dog is so small. One of the first indications of liver shunt is growth problems. A friend of mine who is a microbiologist is working with Dr. Center on LS and you'd be surprised what they are finding when they look at lines where people have been linebreeding with decreasing size in mind.