I personally do not care for that, as a matter of fact, I don't care for the Hammonds line at all, just my personal opinion. However, they seem to do well in Europe. I wouldn't perpetuate an unhealthy trait. But that is my standard, and who am I to tell another man what to do or not do. If he is happy with his program, that's all that matters, if people are buying his dogs, then they must be doing something right. Everyone likes what like based on what they've seen, what they have access too, or what they can afford based on what they think will make the best dogs. That's why I always get kick out of people asking what others think about this blood or that blood. The important thing is what YOU think based on your research and deductions. So, got with YOUR Gut , and at the end if the day, you'll be able to look in the mirror and say that it worked or didn't work based on YOUR DECISION. If I'd of listened to everyone, I'd of never bred Macha to 357. THAT ALL I'LL SAY