What dog breeds carry Merle Gene?

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 …

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.

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 is the difference between Brindle and merle?

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.

How do you get merle bullies?

If two merle dogs are bred together, each puppy in the litter has a 25% chance of being born a double merle. A double merle inherits the merle gene twice. One copy of the merle gene causes a marbling effect on the coat and creates lighter spots throughout the solid color coat.

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