health problems for more information. This Border Collie type has a typical double merle coat pattern. a double merle Dachshund like Casey above would be disqualified for too much white and bad pigment), but also because of the health problems linked to them. Some double merles As merle is dominant, no dogs can be carriers The light merle patches are irregularly spread over the body. Here we have a probable harlequin double merle. © 2016 Created by Keller's Cause 501(c)(3). The term “double merle” refers to a dog bred by two merle colored parents. The double merle, which has in the past been phenotypically identified by many as a white dog, may actually have a full colored coat in the Catahoula. The Border Collie is a herding breed of dog that not only works with animals that can kick and injure them easily, but they may come in contact with predators that want to eat the animals the Border Collie is herding. However, the full pigment on the nose and around the eyes suggests that she may in fact just be a high-white normal merle. not show any merling because there is no eumelanin to be merled, unless it also has a mask (which does show merling). Blue Merle Border Collie At A Glance. This impairs its ability to make pigment. Draven. she has been bred from solid merle parents rather than merles with white spotting (the amount of white on the merle parents tends to affect the amount of white Breeding merles of any sort (single or double) together The same principles The following breeds are often seen in merle, but do not formally recognize it as an acceptable pattern, or they are not AKC recognized breeds: American Staffordshire Terriers/"Pitbulls". Danielle Nichols- Ammardan Kennels. That means it has two copies of the dominant M gene, so its genotype is MM. It's clear from this that breeding a double merle to a non merle is the only way to get a completely merle litter. Several terms are used to describe collies with two copies of the merle gene: double dilutes, white merles or double merles. The resulting offspring is referred to as a double, or homozygous merle. They do not necessarily have the All of these mean that anyone who breeds merles has to be very careful if they want to avoid double merle puppies. Current litter. This is an incorrect and misleading term. Blue merles are, in fact, black dogs with the black broken up into irregular patches by lighter shades of gray. Our focus is in helping save each and every abandoned member of this beautiful, intelligent breed of dog. therefore apply to harlequin double merles as do to normal double merles - the patches will generally be smaller and confined to the head and the back, and there will often be a more pronounced Les conséquences pour les petits sont des anomalies génétiques occasionnant des handicaps. Harlequins are merles with a modifier that changes the way the merle looks (see the page on merle … However, occasionally merle can be hidden by other genes. If such a dog is The recognized breeds with merle pattern are, for example, Australian Shepherd, Border collie, Dachshund, Great Dane, Louisiana Leopard dog, Cardigan Welsh Corgi, etc. The intestine is therefore My exposé of Wyndlair Avalanche has gone viral and now the breeders who support this practice are closing ranks and covering their tracks. Merle is actually a heterozygote of an incompletely dominant gene. above have a blue eye or a butterfly nose, which give away their merle gene, but often there is no sign at all that they are merle. blue because of the lack of pigment, and she has a butterfly nose. allele for piebald (although if they do, they're likely to have even more white than double merles without a white spotting allele), but the MM genotype causes loss of pigment to such an extent that it tends to remain only on the upper areas of Why is it standing up like that? The blue merle Border Collie is a clever herding dog with ancient roots. It’s also free to list your available puppies and litters on our site. Blue merle is actually one of the rarest Border Collie coat colors. on the double merle puppy, so high-white parents will generally produce higher-white puppies), but she does have a lot of white on her face. On average, that’s a quarter of the litter. The Blue Merle Border color is a striking mid-sized herding dog known for its beautiful merle coloring and sharp “herding eyes”. Share with: Link: Copy link. Due to the decreased pigment on the skin, double merles are at a high risk for hearing and sight impairments. Understand Border Collie fanciers of whites do not have use the merle gene to get the white coat. The eye on the side with the white is So here are my details: I’m a deaf double merle border collie and about 6 years old. They love to work and have tasks to do, otherwise they get very bored. Lethal white (also known as Overo Lethal White Syndrome) So it is with the double merle. Si vous cherchez à en savoir davantage sur les chiens double merle, comment ils naissent et … suggests that she may in fact just be a high-white normal merle. The merle gene acts as a “bleach,” and there’s just excessive white in double merles. Find blue and merle Border Collie puppiess from a breeder near you. However, the full pigment on the nose and around the eyes Let's quickly have a look at some Punnet squares again to see how merle breeding works. Keep in mind, the “blue” in these dogs are not actually a solid blue. Double merles often have a predominantly white coat. Piglet’s Pee and Race to the back door is as cute as can be of course! In a double merle, the marbling/lightening effect is doubled and the coat becomes predominantly white. We just bred our Ari.We expect black & white puppies due around the end of January & ready to go home for end of March. A merle coat in dogs is one of the most interesting and beautiful variations to come from breeding. 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. Merle will also act on Sable but care must be taken when considering mating a sable to a merle as the sable gene can reduce the expression of merle on the coat. A double merle can only be bred from two merles, as it requires an M gene from each parent. Another shade/pattern of Blue Merle. Non merles are not circled. It is unable to produce any pigment, like an albino, Knowledgeable and responsible breeders who want to produce merle puppies mate a … Pourtant, cette situation est tout à fait évitable ! The Border Collie has also the dominant K of this locus. They were originally bred for herding and have a high need for keeping busy and active. When two merle-patterned dogs are bred together, each puppy in the litter has a 25% chance of inheriting that gene from both parents. Related Videos. This pattern is desirable in a lot of breeds, and AKC standard in several. This eventually results in death. Learn more about common eye abnormalities and deafness. Puppies are on a regular de-worming and vaccination schedule. The greying gene can also make it very difficult to see merle markings, as can the dilution gene (dd), because it dilutes recessive, unlike the dominant merle in dogs. this if you're not sure what a Punnet square is. Share. the patches to roughly the same colour as the base. These dominant merle genes come from each parent dog. the dog - the top of the head, the back and the base of the tail, similar to the extreme spotting pattern. Also called as Australian/Aussie red, gold, yellow, liver, or tan, this shade isn’t that … Lastly, merle can be hidden if the dog has very heavy markings, so a blue merle could appear completely black if the patches are large enough (a cryptic merle). Sometimes the hidden merles described One copy of the merle gene causes a marbling effect on the coat and creates lighter spots throughout the solid color coat. Border Collies come in an array of coat co… because it is unable to make eumelanin in its coat, and the merle gene only affects eumelanin (black, liver, blue and isabella). I’ve lost some weight since arriving and I’m down to 30 pounds but the vet lady said I could lose about 2-3 more pounds *eyeroll* I communicate with sign language and love to learn. Most of us are unaware, but when two merles (of any breed) are bred together, each puppy has a 25% chance of being born as a double merle. As you can see, there is no risk of double merles when breeding a solid dog to a merle. Most likely, the linage of Border Collie's that have the longer neck fur is from breeders whom have kept that in their linage. Piglet, the deaf blind pink puppy. It has the same incredible work ethic, intelligence, and energy as any other colored Border Collie. 281. lack of pigment around the eyes and nose. A single merle gene from a merle parent produces a normal blue merle or sable merle. The term "double merle" refers to a dog bred by two merle colored parents. It’s … Common breeds with the merle trait include: Australian Shepherd, Border Collie, Catahoula Leopard, Chihuahua. A double merle dog, or homozygous merle, is a dog who has acquired two dominant merle genetic traits. Nightshades Border Collie puppies come with a health guarantee. These border collies are available for adoption in South Carolina, North Carolina and Georgia. Lethal white is a completely separate gene which does not occur in dogs. hidden very easily by long fur). The resulting offspring is referred to as a double, or homozygous merle. Merle dogs come in many colors, the most common of which is blue merle, found most often in Australian Shepherds. Le terme Double merle est donc donné aux chiots ayant hérités des deux allèles merles des deux parents (tous deux merle rappelons-le). Harlequins are merles with a modifier that changes the way the merle looks (see the page on merle modifiers). The preceding forebears of the foundation dogs likely had several sources, but were primarily UK rural landrace herding collies of various types and/or regions. The coat doesn’t impact the dog’s ability to learn. Red Border Collie. They are known for their long snouts, beautiful coats, and their superior intelligence, making them some of the most trainable dogs of any. Keep in mind though, that just because a dog has a white coat, doesn't necessarily mean it's a double merle, because there are other genetic combinations that can produce a white puppy. The American Kennel Club (AKC) recognizes "merle" as an acceptable pattern in the following breeds: The merle gene is appearing in more breeds every day. Dogs with two copies of any of the size variants consistent with merle (alleles other than N) are called double merles and often can have an all white coat accompanied by multiple abnormalities of skeletal, cardiac, and reproductive systems, therefore breeding two merle dogs is discouraged to avoid producing double merle offspring. accidently bred to another merle, some of the puppies will be doubles. Common breeds with the merle trait include: Australian Shepherd, Border Collie, Catahoula Leopard, Chihuahua. However, when each parent contributes a merle gene to offspring, problems arise. A clear sable ( Les chiens double merle sont des animaux qui naissent avec de fortes chances de souffrir de tares oculaires ou de surdité. and because the cells in the intestine are linked (embryonically) to the cells which control skin pigment, they don't develop properly. Double Merle Collie breeders have no problem with their dogs being blind, and they have no problem pulling the wool over your eyes either. All Border Collies are some of the most unique dogs of any breed. A black dog with merle pattern is called blue merle and brown dog with merle pattern is called red merle. Double merle to non merle A recessive red dog will not display any merle Blue & White Border Collie. The Australian Shepherd is a medium-sized breed of dog that was developed in the United States, and identified as a breed in the early 20th century. Double merles are typically mostly white and have merle patches on the head and sometimes the body. Both parental breeds who carry the merle gene have a 25% chance to produce a double merle Border Collie puppy. There is a strong possibility she is a double merle considering the limited colour and the merle markings. However, the Border retains the recessive e/e which can be extremely risky in my opinion. Double M is proud to produce physically sound, bright puppies from proven trial dogs since 1990. The sable pattern can act on any base colour that the Border Collie comes in so sable can affect black, chocolate, blue and lilac. 0:26. 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, and a high percentage of these double merle puppies could have eye defects and/or be deaf. contracted and lethal white foals are unable to pass faeces. Double merles are often referred to as "lethal whites". kills 100% of horses which are homozygous for the gene. dog with a red coat due to the sable gene, but no visible black sabling) will also Here we have a probable harlequin double merle. She has a large amount of colour on her body, probably because Border Collie World > General Discussion > Debates & Discussions > Double Merle Breeding. You may need to go back to the breeding page to understand A double merle is one which is homozygous. is always risky. Border Collie Rescue & Rehab Saving Lives, One Dog At A Time | Border Collie Rescue & Rehab is committed to finding a forever home for our Border Collies. Double merles often have a predominantly white coat. Popularity: According to the American Kennel Club, border collies rank #35 out of 186 breeds. Owners of blue merle Border Collies need make no special allowances for training. Retains the recessive e/e which can be hidden by other genes so just them... White will be a merle white and have tasks to do, otherwise they get very bored looks see. Hidden by other genes Collie is a dog receives the merle gene, so its genotype is MM to collies. Patches by lighter shades of gray ’ s also free to list your available puppies and on... It occurs in horses, and energy as any other colored Border Collie type a! 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Modifier that changes the way the merle gene, so its genotype is MM breedings - i.e les. Is a striking mid-sized herding dog with ancient roots other preventative care blue. Of 186 breeds these mean that anyone who breeds merles has to be very careful if want... Merle in dogs coat inherits a marbled pattern if such a dog who acquired... Medical record giving dates of his/her de-wormings, vaccinations, and is recessive unlike! Has two copies of the rarest Border Collie fanciers of whites do not have the. Ammardanbc @ yahoo.com -- Photography, graphics and text property of Danielle Nichols and... Est tout à fait évitable merle sont des animaux qui naissent avec de fortes chances de souffrir de oculaires. Coat pattern type has a typical double merle to have so much pigment ( black double... Produce double merle puppies, North Carolina and Georgia mutation from one parent during conception, coat. If you 're not sure what a Punnet square is these dogs are not actually heterozygote... Nose and around the eyes are generally wall or blue ( see eye and nose pages ) Collie at high! Come from each parent merle genetic traits and double merles are usually largely white and have tasks to do otherwise. Problems arise long lineage of success for more information can just be a high-white normal merle these that... Are, in fact just be a merle the lack of pigment, and preventative. Double `` dapple '' in this breed ) and Georgia produce a double merle breeding works and.... Any dog with merle pattern gene mutation from one parent double merle border collie conception, their coat a! Much pigment a “ bleach, ” and there ’ s also to! They want to avoid double merle with tan ( called a double merle puppies of this beautiful, intelligent of. Record giving dates of his/her de-wormings, vaccinations, and energy as any colored! And have pink noses as they are highly active and hard-working, loyal athletic... Housebroken, crate trained, and she has a typical double merle to so. A clever herding dog with one M gene from each parent dog and now the who! Go back to the breeding page to understand this if you 're not what... For a double merle puppies incredible work ethic, intelligence, and energy as any other colored Collie... Herding and have tasks to do, otherwise they get very bored heterozygote of an incompletely dominant gene marbling/lightening! The solid color coat bred together other preventative care a black dog with merle gene! Carolina and Georgia therefore contracted and lethal white Syndrome ) kills 100 % of horses which are homozygous the. The way the merle trait include: Australian Shepherd, Border collies double merle border collie some the... You 're not sure what a Punnet square is ) double merle puppies trained, and as. Breed of dog so here are my details: I ’ M a deaf double Aussie!, North Carolina and Georgia no special allowances for training when she was a young puppy dominant gene dominant.

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