something somewhere is not throwing workers, be it the dog or the bitches chosen, but its happen because Ive seen it. its not just the odd one here and there by most accounts either. its obviously throwing workers as well as some people seem happy with what they have. so like in most things there is 2 sides.
i have known a true Trojan of a dog (infcat the person thinks it was his one in a lifetime dog, and hes had a few) be bread from time and time again and produce pretty much nothing, certainly nothing to carry on the line with..... did this make him a poor dog, no, just not a good