You speak about dwarf, yes this is too important, but Hanka (and others), You I think can my thake and info about broken tail. in this year in CZ You mas see dogs in bonitation with this tail and maybe know moore about others dog, who have in pedigree stamp " not breed" with broken tail. Dogs with this are and in Italia, but ... ufortunely going to breeding. I think and moore dogs are with this bad problem. Or now we all "hunting" only dwarf, and not interesing moore about HD ED, PRA epilepsia and others problems
http://www.wolfdog.org/forum/showthread.php?t=10745