Hi! Congratulations on your pups and momma being healthy following welping. I am assuming this to be the case, anyway. I didn't see pictures...perhaps I missed them, or if not, maybe you could upload some.
My understanding, not being a breeder of Yorkshire Terriers, is they are born black and tan, then gradually the black turns blue, and black on their heads becomes tan so no black remains. Their breed standard talks about color and marking placement, but doesn't mention white except for, if I recall, a very small spot, perhaps on the chest or toes I think which disappears. I have seen it mentioned that the genetics can be not quite right and there can be 'running gold' that interferes/intermingles with their blue. I have one who was born black and tan but when she changed, all her black changed over time to gold. I think they call that a color fault, and it is a disqualification for being shown in conformation...which is not an issue because it wasn't in my plans anyway nor will she be bred, and she changed while with her previous owner.
An all white dog at birth might be unusual but I would think because it is not, as I understand it, supposed to happen with purebred Yorkshire Terriers. I am aware that piebald (white spotting factor) can include deafness and blindness because of the way it works 'genetically' but a solid white dog with Yorkshire Terrier in its bloodline could also have a mix in its past, too. Not sure what else to say. There are some threads here that may help, including a very nice one about color.
Again, congratulations, and welcome.
I hope your puppies and momma thrive and are very healthy. |