This is often used as a reason why
the merle coat pattern should not be recognised in a breed, even when it occasionally crops up naturally.
One study reported 36.8 % of Dachshunds with
the merle coat pattern (Mm) suffered hearing problems ranging from mild to complete deafness.
While all of the breeds with
the merle coat pattern produce blue merles, only certain breeds produce red merles.
The merle coat pattern is popular because it is unusual and very unique, with each merle dog having a different coat pattern.
In a wider context, such breeding brings the ethics of all dog breeders into question and casts a pall over the show dog world, as there is a perception that show dog breeders are the worst offenders for producing double merles as they are striving for the perfect
merle coat pattern.
The National Kennel Club American pit bull terrier standard is more restrictive, accepting most colors and patterns with the exceptions of shades of gray and blue coloration and
the merle coat pattern.
The merle coat pattern, which appears mottled, is not traditionally considered part of the breed standard.
Because there are some health risks associated with the gene responsible for
the merle coat pattern, the AKC does not accept Chihuahuas that have a merle coat for registration.
There is no particular color or pattern that is preferred above the others but there is one pattern that is not preferred —
the merle coat pattern.
Border Collies, classically working dogs, known for their high intelligence can come in
a Merle coat pattern.
Not exact matches
Typically though of coming with a white and black
coat,
Merle Border Collies are the least common color
pattern found naturally in Border Collies.
Because the
Merle gene is dominant over other color genes breeding a
Merle parent with a non
Merle parent will statically guarantee at least one puppy in a little of four or more will be born with a
Merle patterned coat.
Hair can be wavy or straight, and the
coat can come in many different
patterns and colors, including black, tri color, blue
merle, red
merle, red, red and white, or some combination of these colors.
The
merle pattern can occur in dogs of all
coat colors.
The word
Merle refers to a
pattern in a dog's
coat, which may include different colors.
Although the genetics for
merle are associated with the genetics for harlequin
patterned dogs, harlequin is a recognized
coat pattern for the breed, while
merle is not.
She also has
merle markings that give the spotted blue and black
pattern to her
coat.
To avoid producing «double
merle» (M / M) puppies, dogs with a copy of M (particularly those with M alleles near the size which is likely to produce the classic
merle coat color /
pattern) should only be bred to dogs that do not have a copy of the M allele.
Specific sizes of the M Allele have been associated with the potential to produce «classic»
merle patterning or other M - associated
coat color variations.
Merle is inherited in a dominant fashion, meaning that only one copy of an M allele is necessary for a dog to display some variation of the merle coat color / pattern, which is marked by random dilution of eumelanin (black pigment) leaving patches of normal coat color within areas of diluted pigmenta
Merle is inherited in a dominant fashion, meaning that only one copy of an M allele is necessary for a dog to display some variation of the
merle coat color / pattern, which is marked by random dilution of eumelanin (black pigment) leaving patches of normal coat color within areas of diluted pigmenta
merle coat color /
pattern, which is marked by random dilution of eumelanin (black pigment) leaving patches of normal
coat color within areas of diluted pigmentation.
Merle:
Coat pattern seen on many breeds of dogs that mixes white with the predominant coat color to form spots throughout the body of the
Coat pattern seen on many breeds of dogs that mixes white with the predominant
coat color to form spots throughout the body of the
coat color to form spots throughout the body of the dog.
Merle Goldendoodles have a varied
coat pattern caused by a gene that randomly suppresses just some of the solid color:
Merle is a varied
coat pattern.
Pit bulls can have just about any color or
coat pattern, except for
merle, while the Amstaff's
coat color is more diffused and very limited in range.
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.
We must note that the harlequin
coat pattern is associated with birth defects, as it is related to the notorious
merle gene.
They come in two
coat varieties: rough and smooth; and they may come in just about any color and color
pattern including solid, bicolor, tricolor and
merle.