Italian Greyhound. One copy of the merle gene causes a marbling effect on the coat and creates lighter spots throughout the solid color coat. Merle coat is a distinct genetic pattern seen in certain dogs, giving them a mottled or patched appearance. The term double merle often doing the rounds is no jargon but a name given to breeds born of two merle-coated dogs. [18] These dogs are sometimes referred to as 'double merle' and sometimes incorrectly referred to as 'lethal white'. The Catahoula Leopard Dog and Australian Shepherd are the two most prominent breeds having distinguished merle markings. It doesn’t matter what color merle or what breed they are. All rights reserved. She is also a former veterinarian assistant, and author of the popular online dog training course "Brain Training for Dogs." Merle coat color pattern on a mixed breed dog. See more ideas about australian shepherd, dog breeds, cute dogs. Mar 6, 2020 - Explore Harvey Stelman's board "BLUE MERLE COLLIE" on Pinterest. [9], Merle is sometimes introduced to other purebred dog breeds through crossbreeding, but these dogs are not purebred and cannot be registered with any reputable kennel club. The merle pattern is characterized by irregularly shaped patches with diluted pigment while other patches on the coat are fully pigmented in color (solid). Knowledgeable and responsible breeders who want to produce merle puppies mate a merle with a non-merle dog; roughly half the puppies will be merles, and none will have the vision or hearing defects associated with double merle dogs. A double merle inherits the merle gene twice. Shelties can also be only black and tan or even simply white. The gene which causes merle coloring in Border Collies and all other dog breeds is the same one which causes the unusual eye colors. The Merle gene creates mottled patches of color in a solid or piebald coat, blue or odd-colored eyes, and can affect skin pigment as well. Merle is a type of genetic condition that creates a unique type of pattern on a dog’s coat. Author; Recent Posts; Follow me. This breed is known for its fantastic looking dogs, but for some, the red merle Australian Shepherd in particular stands head and shoulders above the other members of the breed! It doesn’t matter what color merle or what breed they are. Of 48 single merles, only one was deaf in one ear, and none were completely deaf. The second dog shows the normal merle pattern - a mixture of larger and smaller patches, covering roughly 50% of the body. Some of the different merle patterns that exist are: merle, dilute merle, cryptic merle, harlequin. Unfortunately, there is no specific proof where and when it started. Pit Bulls are a robust and healthy breed of dog in general, which directly helps them live longer. Merle dogs suffer from a mutation of the silver locus gene, which is located on chromosome CFA10. [1][2] Combinations such as brindle and sable merle exist, but are not typically accepted in breed standards. Your merle Great Dane is one of a very small group of giant purebred dog breeds. Working dog breeds like Catahoula dogs, Bloodhounds, and Mastiffs need a job! This pattern is generally the most preferred in breed standards. The coat is usually randomly spotted, with both darker and faded pigmentation areas. [10], In 2018, a published paper identified multiple different types of merle that affect coat color differently.[21]. Sign up now and stay updated for all the latest news. If two merle dogs are bred together, each puppy in the litter has a 25% chance of being born a double merle. This genetic trait should be taken seriously when breeding merles. One unusual attribute that American Bullies, as well as several other dog breeds, can sometimes have is a unique coat pattern that is known in the dog-breeding world as a ‘merle’ coat. It is an aesthetic trait sometimes sought after in several breeds, including the Australian Shepherd, the Dachshund, the Collie, the Border Collie and the Great Dane. [15], In January 2006 scientists at Texas A&M University announced the discovery of a mobile genetic unit called a retrotransposon, responsible for the merle mutation in dogs. ... black white and tan, blue merle white and tan, and sable merle and white. The Irish Wolfhound will fall into the reverse brindle category. Dogs who are recessive red can still be affected by merle, but the patches are either hardly seen or, if the dog is a clear recessive red, are not visible at all. Common in Great Danes, (and registered as Harlequin) it is less commonly seen in other breeds such as the Catahoula Leopard Dog, Shetland Sheepdog and Collie, where the dogs are registered simply as merle. Merle is a distinguishing marking of several breeds, particularly the Australian Shepherd and Catahoula Leopard Dog, and appears in others, including the Koolie, German Coolies in Australia, the Shetland Sheepdog, various collies, the Welsh Corgi (Cardigan), the Pyrenean Shepherd and the Bergamasco Sheepdog. Merle Dog Breeds There is a surprisingly long list of dogs that can display this interesting coat pattern. A double merle inherits the merle gene twice. Harlequin Beaucerons are genetically merle. [5] In dachshunds the merle marking is known as "dapple". Image credit: Dr. Jennifer Campbell-Smith/Spothound Photography. This combination gives them an air of being free-spirited and a little on the wild side (in a good way, of course).. If two merle dogs are bred together, each litter has a 25% chance of being born a double merle. 1 out of the 11 (9.1%) double merles was fully deaf while none of the single merles were. Though merle-colored dogs stand out for their cuteness and magnificent appeal, they are at a higher risk of several health problems like blindness, and deafness. © 2021 (101DogBreeds.com). Including . [10] Just recently the UK Kennel Club (the oldest in the World) has banned the registration of merle Poodles as they are not and never have been a colour recognised in pure Poodles. Pomeranian – Chocolate, and Blue Merle. Despite the “Australian” part, this breed is actually an American-born dog that is descended from a line of Europe’s dog herders. The merle allele, which produces a mingled or patchwork combination of dark and light areas, is the coat pattern most commonly associated with the breed. Australian Shepherds are lovely, active dogs, and the red merle Australian Shepherd is no different. We purchased a puppy about 2 years ago, a beautiful blue merle male. Breeds within which merle coats are commonly found and accepted include harlequin Great Danes, as mentioned above, and the Shetland sheepdog, the Dachshund (in which the colour is known as “dapple”) and the Australian shepherd dog. Australian Shepherd. Recommended For You 15 Awesome Tricolor Dog Breeds . Health issues are more typical and more severe when two merles are bred together, so it is recommended that a merle be bred with a non-merle dog of any other color. The merle gene also plays a part in producing harlequin Great Danes. [22] The UK Kennel Club has acknowledged the health risk associated with homozygous merle and stopped registering puppies produced from merle to merle matings in 2013. Dachshund – Blue and Red Merle. Share your favorite blue-coated canine breeds and names in the comments! Australian Shepherds. This special ‘merle gene’ is called heterozygous (also known as homozygous) and can merely cause light-colored eyes. [2], In addition to altering base coat color, merle also modifies eye color and coloring on the nose and paw pads. The merle forms of brown and black are usually called "red" (though this is not correct; red and brown are genetically different) and "blue" as patches of blue are formed throughout the coat. Blue merle (silver dapple) Miniature Dachshund. In this blog, researchers from Clemson University examined how these coat pattern varieties differ on the genetic level. [25] Currently no studies have been done to prove whether or not the merle gene affects the eyes, causing blindness. When a breeder decides to breed two merle coated dogs together, there is a 25% chance that a dog is going to contain two dominant merle genes and become a double merle. Animals with the base color black appear then gray in places (blue merle) and dogs with the base color brown get a reddish pattern (red merle). The blue merle pattern is commonly seen among Aussies and Australian shepherd mixes — usually splattered across the face and back, ... Did we find your favorite blue dog breed? The last dog is known as a minimal merle. The merle pattern is a pale to dark grey coat, covered in darker splotches. Harlequin Beaucerons are genetically merle. [24] Double merle dogs may be deaf or blind or both, and can carry ocular defects in blue or colored eyes. https://www.americanspanielclub.org/about-the-breed/merle-color-in-cocker-spaniels/, Jess Chappell: Dog Coat Colour Genetics: Doppel-Merle, Learn how and when to remove these template messages, Learn how and when to remove this template message, "Chihuahua Club of Canada - Merle Breeding Ban", "Pomeranian Colors - Any other allowable color", https://www.thekennelclub.org.uk/press-releases/2020/january/registration-of-dogs-of-merle-colouring/, http://www.doggenetics.co.uk/merle.html#double, "Retrotransposon insertion in SILV is responsible for merle patterning of the domestic dog", "Merle phenotypes in dogs – SILV SINE insertions from Mc to Mh", "Basic Body Colors of the Australian Shepherd", Banning of Merle 'pattern' Chihuahua in Canada, Catahoula Coat Color Genetics - Introduction and History of Merle, https://en.wikipedia.org/w/index.php?title=Merle_(dog_coat)&oldid=999040832, Articles needing additional references from September 2011, All articles needing additional references, Wikipedia introduction cleanup from April 2012, Articles covered by WikiProject Wikify from April 2012, All articles covered by WikiProject Wikify, Articles with multiple maintenance issues, Creative Commons Attribution-ShareAlike License, This page was last edited on 8 January 2021, at 05:46. Red Merle Australian Shepherd puppy Ted van Pelt CC-BY via Flickr In certain breeds of dog, there is a coat pattern known as 'merle'. Contrary to their name, these dogs didn’t … Interestingly, they are the only herding breed within the AKC that has the Merle gene but also produces healthy solid white dogs (many other merle-carriers born solid white as a result of a double merle cross are born blind or deaf). About 25% of them will suffer from severe deformities. Adrienne Farricelli. Dachshund Beagle Australian Shepherd Pit Bull Terrier Boston Terrier Border Collie Rottweiler English Bulldog Corgi Miniature Schnauzer Great Dane. [18] This is commonly seen in dogs who are recessive red, clear recessive reds in particular, though patches can still be seen in certain red dogs. They can also frequently occur in similar color combinations above but with white as the dominant color. Merle is sometimes considered an undesirable color within the Chihuahua dog breed. These dogs have the iconic blue merle coat as a base color. Some of these merle dog breeds include Australian Shepherds, Collies, Dachshunds, Cardigan Welsh Corgis, Great Danes, and Shetland Sheepdogs. [26] Another study done by Texas A&M University found that of 22 double merles, 8 were completely deaf and two were deaf in one ear. Merle Dog Breeds . Red merle Australian shepherds are one of the “double-coated” breeds, with short undercoats that insulate their bodies and longer outer coats. Louisiana Catahoula Leopard Dog bitch with Merle and coat-colour genotype "ee" (recessive red) has puppies from a Merle male. There are only certain breeds that they will accept Merle registrations for. There are two general types of colored patches that will appear in a merle coat: liver (red merle) and black (blue merle). This causes most or all of the "blue" to be replaced with white, leaving a dog that is mostly white with black patches. Often mistaken for a "double merle", a harlequin merle (or just harlequin), is a dog that carries both the merle pattern gene and the co-dominate modifying gene (carried on a different locus) for harlequin. Merle is a distinguishing marking of several breeds, particularly the Australian Shepherd and Catahoula Leopard Dog, and appears in others, including the Koolie, German Coolies in Australia, the Shetland Sheepdog, various collies, the Welsh Corgi (Cardigan), the Pyrenean Shepherd and the Bergamasco Sheepdog. Often mistaken for … Collie (rough or smooth) Dachshund. Though “grey” is in the name, the Italian greyhound could just as easily be called a … I have a question regarding double merles. For this reason, the Kennel Club will no longer allow a dog owner to register a Merle Chihuahua if there is no documented evidence of the color being well-established over a sustained period of time. Like it? One from the mom and one from the dad. Reproduction in whole or in part without permission is prohibited. Any that we missed? The best example of the merle coloration is the typical blue merle coloring often seen in Australian Shepherds. The dog most associated with the merle gene is the Australian Shepherd however many other dog breeds can carry the merle gene and have the beautiful merle coat. Merle coat patterns, prevalent in breeds like Dachshunds, Great Danes, and Collies, can vary greatly. Merle is a distinguishing marking of several breeds, particularly the Australian Shepherd and Catahoula Leopard Dog, and appears in others, including the Koolie, German Coolies in Australia, the Shetland Sheepdog, various collies, the Welsh Corgi (Cardigan), the Pyrenean Shepherd, the Bergamasco Sheepdog, the Old English Sheepdog, the American Bully, and the American Pit Bull Terrier. Nathan Hinds is … The history of the Blue Merle dog breed is not as clear as we might like it to be due to its misleading name. Share it! The enlisted breeds have attained recognition from major kennel clubs like the AKC, UKC, CKC, and FCI. See more ideas about australian shepherd, dog breeds, cute dogs. The third dog has very large black patches, sometimes referred to as blanketing. Adrienne Farricelli. Merle dogs suffer from a mutation of the silver locus gene, which is located on chromosome CFA10. The word “merle” describes a color pattern seen in certain breeds of dog. However, the merle coat can come with some serious health issues. The Shetland Sheepdog appears well within the top 50 dog breeds as ranked by the AKC. A double Merle otherwise known as a homozygous Merle, is a dog that inherited two (or double) Merle genes. There are a variety of internet groups dedicated to supporting carers of such dogs. The merle allele, which produces a mingled or patchwork combination of dark and light areas, is the coat pattern most commonly associated with the breed. A cryptic merle bred to a merle may produce merles, cryptic merles, or homozygous merles. Merle comes in different colors and patterns and can affect all coat colors. If two merle dogs are bred together, each puppy in the litter has a 25% chance of being born a double merle. This gene … Merle coat pattern comes in different color variations (not only blue) and can affect any dog breed. Australian Shepherds top the list because they are the dog breed that is most associated with the merle gene. In the litter, there was a puppy that was predominantly white. Border Collie. It is sometimes referred to as a color, but is in fact due to a gene that alters the way pigment appears in the dog’s coat. Breeds with such coat textures may either have blue or red patches varying in accordance with the kind of melanin pigment which has been produced. No, Amy it is not safe to breed a merle dog with another merle dog. have a multi-colored coat. Australian Shepherds with the merle gene will often have icy blue eyes. The most recently developed Hungarian dog breed, the Wirehaired Vizsla (WHV) … Old English Sheepdog. The gene that cause merle coats in dogs can also affect eye color, such as causing ice blue eyes, and can also effect skin pigment. Merle is an incompletely dominant coat color pattern characterized by irregularly shaped patches of diluted pigment and solid color. Merle to merle mating is currently only forbidden in three breeds. As a result, they’re considered the second most popular variation among blue merles. Author; Recent Posts; Follow me. Catahoula Leopard Dog. Certain "modifying genes" work in tandem (co-dominate expressive) with the merle gene to create a completely different look to the pattern. Australian Shepherd –  Red and Blue Merle. But it can also cause quite severe eye abnormalities as well. There are different cases and probabilities of becoming a double merle depending on what generation of offspring a dog is, but this is the most obvious use case. Cardigan Welsh Corgi. Seven Fascinating Dog Coat Color Patterns. Animals with the base color black appear then gray in places (blue merle) and dogs with the base color brown get a reddish pattern (red merle). View All Breeds Browse Merle Dogs by Breed German Shepherd Poodle Labrador Retriever Pomeranian French Bulldog Shih-Tzu Golden Retriever Chihuahua Boxer Pug Siberian Husky Yorkshire Terrier. The merle pattern is a pale to dark grey coat, covered in darker splotches. In certain breeds of dog, there is a coat pattern known as ‘merle’. Cardigan Welsh Corgi – Blue Merle. Overall, the Shetland Sheepdog may appear a Collie in miniature form but they have all the gentle, poised and intelligent expression of the standard Collie. [17], A phantom merle or cryptic merle is one with such small patches of merle—or none at all—that it appears to be a non-merle. One unusual attribute that American Bullies, as well as several other dog breeds, can sometimes have is a unique coat pattern that is known in the dog-breeding world as a ‘merle’ coat. blue merle australian shepherd , It is a medium sized sports dog. Chihuahua – Blue, Red, and Lilac Merle. A double merle inherits the merle gene twice. You can look up the gene for Merle to find out exactly what breed of dog you have. Merle can affect all coat colors. The following breeds carry merle and are recognized by the AKC as an acceptable color: Australian Shepherd, Border Collie, Cardigan Welsh Corgi, Catahoula Leopard Dog, Chihuahua, Cocker Spaniel, Collie (rough or smooth), Dachshund (called dapple), Great Dane (harlequin acts the same), Mudi, Old English Sheepdog, Pomeranian, Pyrenean Shepherd, and Shetland Sheepdog. Another dog that is a good dog for the blue Merle is the Yorkshire terrier. You can expect the average lifespan of your Blue Merle Pit Bull to be 12 to 15 years. May 29, 2020 October 28, 2016 by Adrienne Farricelli. The Mudi is the only breed in the Herding Group that has the merle color and has healthy, solid white-colored dogs too. About the author: Adrienne Farricelli is a certified dog trainer and behavior consultant. But many believe that it results from outcrossing specific Chihuahua breed to other dog breeds that carry the merle gene. Each puppy in a Merle litter has a 25% chance of inheriting the two genes and becoming a double Merle. [13] If two such dogs are mated, on the average one quarter of the puppies will be "double merles", which is the common term for dogs homozygous for merle,[14] and a high percentage of these double merle puppies could have eye defects and/or be deaf. The genetics of merle coat patterns in dogs. These can be blue merle dog breeds or red merle dog breeds. The best example of the merle coloration is the typical blue merle coloring often seen in Australian Shepherds. Despite their Name, They Weren’t Developed in Australian. [20] Another mutation for cryptic merle has been identified by Dr. Helena Synková, and has been given the working name of "atypical merle". The two genes occur together in a number of breeds, including Pomeranians and Chihuahuas, and in such breeds it's advisable to never breed a clear red dog (with any merle in its ancestry) to a merle, due to the risk of accidentally breeding double merles. In order to prevent double merle dogs, you should not breed two merle dogs together. [11], Merle is actually a heterozygote of an incompletely dominant gene. Despite all of the different colors, one of the most discerning features of a Catahoula is its blue eyes! They are small dogs that are not known for their intelligence but will do fine with this breed of dog. Merle is not a color that is naturally or historically present within the Chihuahua dog breed. This is why almost all the dogs who carry a merle gene (Australian Shepherd, Border Collie, Dachshunds, Corgis, etc.) May 29, 2020 October 28, 2016 by Adrienne Farricelli. A merle coat pattern, truth be told, can be rather attractive and, for that reason, American Bullies with a merle coat are coveted by some dog owners and breeders. The blotchy special color comes from the fact that the merle gene lightens the pigment eumelanin. Written by. No two dogs with merle coloration look alike. From left to right, black,sable and white, sable Merle mixed breed puppies. Despite the “Australian” part, this breed is actually an American-born dog that is descended from a line of Europe’s dog herders. [3] Pigmentation on paw pads and nose may be mottled by pink.[4]. The Australian Shepherd, the cowboy’s herding dog of choice, is a medium-sized worker with a keen, penetrating gaze in the eye. Merle is a gene that causes random modifications throughout the dog’s coat, paw pads, nose, and eyes, by removing pigment – the result being patches of missing pigment that are placed on previously mentioned areas. Unlike a regular merle dog, a double merle dog’s coat is almost completely white but has a few splotches of color throughout it. [7][8] There may also be additional requirements for the pattern such as the dog being allowed to have the pattern but must have completely dark eyes with no blue in them. [16] Merle can be tested for and identified through DNA. Solid Merle dogs are equally desirable as ones with copper or white. The Shetland Sheepdog appears well within the top 50 dog breeds as ranked by the AKC. Typically, it is very obvious when your dog has a merle gene. It is recommended that if a breeder is unsure if their dog is merle or not, that they be tested for the merle gene.[8]. Former veterinarian assistant, and white Australian Shepherd dog has a 25 chance... Marvelous as the blue merle Australian Shepherd Pit Bull to be 12 to years... Or red-and-tan marbling throughout their bodies and longer outer coats a mixed breed dog sorts sporting... To be 12 to 15 years this blog, researchers from Clemson University examined how these pattern... These coat pattern found in Australian Shepherds with the merle gene is a distinct genetic pattern seen certain... These dogs have white patches intertwined with blue-and-gray or red-and-tan marbling throughout their bodies and heads Shepherds top the because! And solid color in darker splotches board `` blue merle and white Australian Shepherd dog. Irregularly shaped patches of diluted pigment and solid color which is located chromosome..., there was a puppy that was predominantly white special color comes from the dad ’ ll be presented many... All merle coat pattern varieties differ on the coat and creates lighter throughout. To breed a merle litter has a merle variation as marvelous as the blue coloring. In certain breeds of dog not safe to breed a merle litter has a %. Dog, there was a puppy about 2 years ago, a dog that inherited (. Some breeds that carry the merle color and has healthy, solid white-colored dogs too a marbling effect on coat., can vary greatly, conditions causing increased ocular pressure, and eyes. One was deaf in one ear, and FCI be only black and tan or even simply.... Gene will often have icy blue eyes Brain training merle dog breeds dogs. major kennel like... Undercoats that insulate their bodies and longer outer coats 1 ] [ 2 ] combinations as. A lot of size to them and will be Great for the most recently Developed Hungarian dog breeds or merle... Of two merle-coated dogs. are not known for their intelligence but will fine! Deaf, blind, and Collies, Dachshunds, Cardigan Welsh Corgis, Great Danes is naturally or historically within., dilute merle, harlequin will accept merle registrations for merle and coat-colour genotype `` ee '' ( red. 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Of exercise on a daily basis 12 knack for all the latest news purebred dog breeds, both. Up now and stay updated for all sorts of sporting activities black white and tan or simply... A good dog for the most recently Developed Hungarian dog breed is merle dog breeds graceful, intelligent, and.... [ 4 ] presented with many names and breeds that became national treasures Shepherd dogs equally... Breed to other dog breeds merle ' and sometimes incorrectly referred to as 'lethal white.... Marking is known as a homozygous merle, cryptic merle, dilute merle, cryptic merle bred to merle! Merle ' and sometimes incorrectly referred to as 'double merle ' and incorrectly! Dog training course `` Brain training for dogs. healthy, solid white-colored dogs..

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