What dogs can be Blue Merle?

What dogs can have merle coloring?

The Merle pattern can be seen in various breeds, such as the Australian Shepherd Dog, Australian Koolie, Border Collie, Dachshund, French Bulldog, Louisiana Catahoula, Labradoodle, Miniature American Shepherd, Miniature Australian Shepherd, Pyrenean Shepherd, Rough Collie, Shetland Sheepdog, Welsh Sheepdog, Cardigan …

Why is double merle bad?

Double Merle dogs are highly likely to suffer from hearing and vision impairments and in some cases complete blindness and deafness. Deafness and hearing impairment happens due to lack of hair pigment produced in the inner ear. Double Merles can also be blind or have vision problems due to congenital eye defects.

What does blue merle look like?

Blue merles can exhibit a range of coat markings. Some blue merle dogs will have a mostly gray-blue coat with a few small, black patches. The most common merle pattern and the one described in most breed standards is a coat that is approximately 50 percent merle, or gray-blue, and 50 percent black patches.

What is a hidden merle dog?

Hidden merles appear to be solid-colored or have very faint merle patches that go unnoticed. The recessive red allele (“ee”) hides some merling. This is because recessive red dogs do not produce eumelanin pigment, leaving them a solid red color caused by phaeomelanin. Phaeomelanin is not affected by merle.

What’s the difference between merle and brindle?

Brindle is a coat pattern and not a color, and has a wild-type allele which is the product of at least two recessive genes and is rare. … Merle and black are dominant genes. A blue merle has two blue genes as well as one merle but can carry others as well.

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