The piebald, extreme white and
merle coat colours are associated with deafness, selection against which would eliminate the problem.
Not exact matches
Double
merles are often partially or completely white in
coat colour (sometimes termed albino, though this is not entirely accurate).
Sometimes dogs may appear to have normal
coat colouring but are in fact
merles and will produce puppies with the
merle colouration.
The
merle gene causes the
coat hair to produce a faded, or shaded
colour (hence the
merle pattern), two
merle genes together often cause the
coat to be white or with limited
merle shading.
A dog with a
merle coat is characterised by having patches of hair with diluted pigment (
colour).
Breeders may therefore try to pass off their double
merle pups as a different
coat colour that has not resulted from
merle - to -
merle breeding.