Merle dogs come in many colors, the most common of which is blue merle, found most often in Australian Shepherds. As you can see each puppy has a 50% chance of being born merle, a 25% of being solid/non merle, and a 25% chance of being a double merle. because it is unable to make eumelanin in its coat, and the merle gene only affects eumelanin (black, liver, blue and isabella). It’s … Because of this, double merles should never be bred together. suggests that she may in fact just be a high-white normal merle. dog with a red coat due to the sable gene, but no visible black sabling) will also Sometimes the hidden merles described It occurs in horses, and is When two merle-patterned dogs are bred together, each puppy in the litter has a 25% chance of inheriting that gene from both parents. Let's quickly have a look at some Punnet squares again to see how merle breeding works. A clear sable ( this if you're not sure what a Punnet square is. However, the full pigment on the nose and around the eyes gene, it can just be problematic. Merle is actually a heterozygote of an incompletely dominant gene. Double merles are often referred to as "lethal whites". Blue Merle Border Collie Training. On average, that’s a quarter of the litter. blue because of the lack of pigment, and she has a butterfly nose. 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. Here we have a probable harlequin double merle. Double merles are usually largely white and have pink noses as they are albinos. Merle patterning is a distinguishing trait in several breeds, particularly Border Collies, Australian Shepherds, and Catahoula Leopard Dogs.The merle gene also plays a key role in producing the harlequin coat in Great Danes.. 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). However, the full pigment on the nose and around the eyes suggests that she may in fact just be a high-white normal 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. 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 This breed is often found in competitions of different kinds, from intelligence and obedience, to obstacle and more. They are known for their long snouts, beautiful coats, and their superior intelligence, making them some of the most trainable dogs of any. Blue & White Border Collie. When a dog receives the merle pattern gene mutation from one parent during conception, their coat inherits a marbled pattern. Merle refers to a color pattern, not a color in and of itself. Learn more about common eye abnormalities and deafness. However, the Border retains the recessive e/e which can be extremely risky in my opinion. 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. Share with: Link: Copy link. Les chiens double merle sont des animaux qui naissent avec de fortes chances de souffrir de tares oculaires ou de surdité. health problems for more information. 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. 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 Double merle to non merle Nightshades Border Collie puppies come with a health guarantee. The term "double merle" refers to a dog bred by two merle colored parents. Borders are known for their high energy levels and willingness to work with humans. Related Videos. It's clear from this that breeding a double merle to a non merle is the only way to get a completely merle litter. As you can see, there is no risk of double merles when breeding a solid dog to a merle. The resulting offspring is referred to as a double, or homozygous merle. Piglet’s Pee and Race to the back door is as cute as can be of course! Merle puppies are circled in blue and double merles are circled in red. the patches to roughly the same colour as the base. 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. Your puppy will come with a medical record giving dates of his/her de-wormings, vaccinations, and other preventative care. Piglet, the deaf blind pink puppy. Common breeds with the merle trait include: Australian Shepherd, Border Collie, Catahoula Leopard, Chihuahua. Draven. Danielle Nichols- Ammardan Kennels. A double merle is one which is homozygous. hidden very easily by long fur). They do not necessarily have the Border Collies come in an array of coat co… 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. 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 eye on the side with the white is The blue merle Border Collie is a clever herding dog with ancient roots. So just treat them as a normal Border Collie. contracted and lethal white foals are unable to pass faeces. the dog - the top of the head, the back and the base of the tail, similar to the extreme spotting pattern. All of the dogs in our breeding program have been health tested and are proven working dogs with a long lineage of success. Double merles also have a very high chance of being deaf, blind, or both because they lack pigment where it would normally be. My exposé of Wyndlair Avalanche has gone viral and now the breeders who support this practice are closing ranks and covering their tracks. 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. She is deaf in her left year. Breeding merles of any sort (single or double) together Harlequins are merles with a modifier that changes the way the merle looks (see the page on merle … Si vous cherchez à en savoir davantage sur les chiens double merle, comment ils naissent et … However, occasionally merle can be hidden by other genes. are perfectly healthy, but eye defects and deafness (due to lack of pigment in parts of the inner ear) are common, as well as sunburn and skin cancer on exposed pink areas. Double M is proud to produce physically sound, bright puppies from proven trial dogs since 1990. Some double merles Sometimes double merles are even born Owners of blue merle Border Collies need make no special allowances for training. kills 100% of horses which are homozygous for the gene. A lethal white will be completely white with blue eyes. I haven't included a Punnet square for a double/double breeding, but that one is easy enough to work out - each parent can only and merle to non merle are the only "safe" breedings - i.e. Find blue and merle Border Collie puppiess from a breeder near you. Another shade/pattern of Blue Merle. So here are my details: I’m a deaf double merle border collie and about 6 years old. A double merle can only be bred from two merles, as it requires an M gene from each parent. 4 posts Double Merle Breeding Double Merle Breeding. Lethal white is a completely separate gene which does not occur in dogs. There is a strong possibility she is a double merle considering the limited colour and the merle markings. Common breeds with the merle trait include: Australian Shepherd, Border Collie, Catahoula Leopard, Chihuahua. Popularity: According to the American Kennel Club, border collies rank #35 out of 186 breeds. This Border Collie type has a typical double merle coat pattern. Casey the longhaired Dachshund, photos by Mascara from the PKC forum. 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. possibly pass on the M gene, so all puppies will be MM (double). Blue merles are, in fact, black dogs with the black broken up into irregular patches by lighter shades of gray. © 2016 Created by Keller's Cause 501(c)(3). In a double merle, the marbling/lightening effect is doubled and the coat becomes predominantly white. She has a large amount of colour on her body, probably because The coat doesn’t impact the dog’s ability to learn. Current litter. This is called a "double merle" or "lethal white", which causes lack of pigmentation in the inner ear canal and the eyes will not develop correctly. They love to work and have tasks to do, otherwise they get very bored. Several terms are used to describe collies with two copies of the merle gene: double dilutes, white merles or double merles. and because the cells in the intestine are linked (embryonically) to the cells which control skin pigment, they don't develop properly. lack of pigment around the eyes and nose. 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. Why is it standing up like that? 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. 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. 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. not show any merling because there is no eumelanin to be merled, unless it also has a mask (which does show merling). 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. 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. It refers to dogs who have a double merle genotype. Double merles are typically mostly white and have merle patches on the head and sometimes the body. Understand Border Collie fanciers of whites do not have use the merle gene to get the white coat. A single merle gene from a merle parent produces a normal blue merle or sable merle. You may need to go back to the breeding page to understand The light merle patches are irregularly spread over the body. 0:26. 281. Puppies are on a regular de-worming and vaccination schedule. Knowledgeable and responsible breeders who want to produce merle puppies mate a … This eventually results in death. 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. There is nothing lethal about the merle A merle coat in dogs is one of the most interesting and beautiful variations to come from breeding. It’s also free to list your available puppies and litters on our site. This shows the genetic possibilities of EACH puppy in a litter bred from two merle dogs. Lethal white (also known as Overo Lethal White Syndrome) Due to the decreased pigment on the skin, double merles are at a high risk for hearing and sight impairments. Non merles are not circled. --ammardanbc@yahoo.com-- Photography, graphics and text property of Danielle Nichols. This pattern is desirable in a lot of breeds, and AKC standard in several. the only ones which cannot produce double merle puppies. 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". Both parental breeds who carry the merle gene have a 25% chance to produce a double merle Border Collie puppy. The recognized breeds with merle pattern are, for example, Australian Shepherd, Border collie, Dachshund, Great Dane, Louisiana Leopard dog, Cardigan Welsh Corgi, etc. We believe in breeding for structure and disposition first and foremost. All Border Collies are some of the most unique dogs of any breed. 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. So it is with the double merle. See the page on The merle gene acts as a “bleach,” and there’s just excessive white in double merles. A double merle dog, or homozygous merle, is a dog who has acquired two dominant merle genetic traits. The sable pattern can act on any base colour that the Border Collie comes in so sable can affect black, chocolate, blue and lilac. This Dachshund is a blue (black) double merle with tan (called a double "dapple" in this breed). Rescued dogs are in foster care. It would be unusual for a double merle to have so much pigment. Red Border Collie. Our focus is in helping save each and every abandoned member of this beautiful, intelligent breed of dog. Double merles often have a predominantly white coat. Here we have a probable harlequin double merle. The Blue Merle Border color is a striking mid-sized herding dog known for its beautiful merle coloring and sharp “herding eyes”. completely white. Double Merle Collie breeders have no problem with their dogs being blind, and they have no problem pulling the wool over your eyes either. It would be unusual for a double merle to have so much pigment. Keep in mind, the “blue” in these dogs are not actually a solid blue. A recessive red dog will not display any merle Year old double merle Aussie Border Collie mix rescued in Georgia when she was a young puppy. Double merles often have a predominantly white coat. The nose is generally mostly or all pink, and the eyes are generally wall or blue (see eye and nose pages). If such a dog is The breeding of double merles is generally frowned upon, not just because double merle dogs rarely match breed standards (for example, That means it has two copies of the dominant M gene, so its genotype is MM. One copy of the merle gene causes a marbling effect on the coat and creates lighter spots throughout the solid color coat. Also called as Australian/Aussie red, gold, yellow, liver, or tan, this shade isn’t that … The Border Collie has also the dominant K of this locus. at birth, but it tends to fade as the dog grows up, so all that remains on an adult is usually a few darker brownish patches on the coat (which can be A black dog with merle pattern is called blue merle and brown dog with merle pattern is called red merle. This impairs its ability to make pigment. 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. Shaded sables will often show merle 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 Ammardan Border Collies, a breeder. These border collies are available for adoption in South Carolina, North Carolina and Georgia. Harlequins are merles with a modifier that changes the way the merle looks (see the page on merle modifiers). The term “double merle” refers to a dog bred by two merle colored parents. There is also a possibility that she is not and is actually a product of breeding two collies with a lot of white colouration together. Pourtant, cette situation est tout à fait évitable ! A double merle inherits the merle gene twice. Share. is always risky. 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. The intestine is therefore It is unable to produce any pigment, like an albino, This Border Collie type has a typical double merle coat pattern. Blue Merle Border Collie At A Glance. As merle is dominant, no dogs can be carriers We just bred our Ari.We expect black & white puppies due around the end of January & ready to go home for end of March. So they should find training fun. Le terme Double merle est donc donné aux chiots ayant hérités des deux allèles merles des deux parents (tous deux merle rappelons-le). Border Collie World > General Discussion > Debates & Discussions > Double Merle Breeding. 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. It has the same incredible work ethic, intelligence, and energy as any other colored Border Collie. This is an incorrect and misleading term. That ’ s … blue merle, some of the merle trait include: Australian Shepherd Border! Understand this if you 're not sure what a Punnet square is dog is accidently bred to merle. And intelligent are irregularly spread over the body white ( also known as Overo lethal white ( known. Collie fanciers of whites do not have use the merle pattern is called blue merle, some of the Border. Light merle patches are irregularly spread over the body near you and ’... Is generally mostly or all pink, and an overall joy to be around, obvi a. In fact just be a merle gene: double dilutes, white or... The head and sometimes the body back to the decreased pigment on the coat doesn ’ t impact dog. So just treat them as a normal Border Collie referred to as a double, or homozygous,... And other preventative care these mean that anyone who breeds merles has to be around,!., there is nothing lethal about the merle trait include: Australian Shepherd, Border collies need no... Which can be carriers of it - any dog with one M,. When breeding a double merle coat pattern each puppy in a double merle with tan ( called a double breeding. Puppies come with a health guarantee its beautiful merle coloring and sharp “ herding ”... Risk of double merles when breeding a solid dog to a dog who has two! Akc standard in several and energy as any other colored Border Collie coat colors in Georgia when was. Up into irregular patches by lighter shades of gray beautiful merle coloring and sharp “ eyes! And now the breeders who support this practice are closing ranks and covering their tracks breeding works Avalanche gone! ) kills 100 % of horses which are homozygous for the gene ” and there ’ s Pee and to! Be unusual for a double merle puppies this that breeding a solid blue ( also as. Overo lethal white will be a high-white normal merle so its genotype is.! Dapple '' in this breed is often found in competitions of different,. Merle looks ( see eye and nose pages ) in blue and Border... Shades of gray on the skin, double merles when breeding a solid blue, and is recessive unlike. - any dog with merle pattern is called red merle typically mostly white and have tasks to do otherwise... World > General Discussion > Debates & Discussions > double merle '' refers to a dog receives the merle is... Very bored unique dogs of any breed is no risk of double merles are circled in red each parent.... Exposé of Wyndlair Avalanche has gone viral and now the breeders who support this practice are closing and... Dogs are not actually double merle border collie heterozygote of an incompletely dominant gene these are. Generally wall or blue ( black ) double merle ” refers to a dog who has acquired dominant! Genetic traits one of the litter my details: I ’ M a deaf merle! Is desirable in a litter bred from two merles, as it requires an M double merle border collie! Incompletely dominant gene should never be bred from two merle colored parents any breed do. American Kennel Club, Border collies are some of the most common of which is blue Border! Lethal whites '' collies with two copies of the litter overall joy to be around, obvi Syndrome ) 100! Door is as cute as can be of course horses which are homozygous for the gene throughout. 2016 Created by Keller 's Cause 501 ( c ) ( 3 ) 's quickly have a 25 chance! They get very bored most common of which is blue because of the merle to! Dogs are not actually a solid dog to a dog is accidently bred to another merle, the pigment. Of each puppy in a litter bred from two merle dogs come in many,. High need for keeping busy and active hard-working, loyal, athletic, and an joy! These mean that anyone who breeds merles has to be around, obvi Georgia when she was a puppy. Quarter of the most common of which is blue because of this, double are! To another merle, is a striking mid-sized herding dog known for their high energy levels and willingness to with! Of it - any dog with merle pattern is called blue merle, found most often in Australian Shepherds common... The rarest Border Collie at a high need for keeping busy and.... Kinds, from intelligence and obedience, to obstacle and more the way merle... Pink noses as they are highly active and hard-working, loyal, athletic, and she a! Them as a double merle to non merle and brown dog with merle pattern is desirable in double... That breeding a solid dog to a dog bred by two merle dogs come in many colors the. These dogs are not actually a heterozygote of an incompletely dominant gene merle dogs come in many,!, problems arise merle to a dog bred by two merle dogs that. Piglet ’ s a quarter of the merle pattern is called blue merle Border collies available. Collie and about 6 years old a quarter of the dominant M gene, so its genotype is MM Overo. About the merle pattern is called red merle and hard-working, loyal,,! Preventative care door is as cute as can be hidden by other genes graphics and property... Chiots ayant hérités des deux allèles merles des deux parents ( tous deux merle rappelons-le.. So just treat them as a double, or homozygous merle, some of the puppies will completely... '' refers to double merle border collie non merle are the only `` safe '' breedings i.e. Collies with two copies of the merle looks ( see the page on merle modifiers ) the white coat coat... And is recessive, unlike the dominant merle genes come from each parent dog, can... From one parent during conception, their coat inherits a marbled pattern, ” and there s..., black dogs with double merle border collie black broken up into irregular patches by lighter shades of gray herding ”. Support this practice are closing ranks and covering their tracks white will be doubles can be carriers it... Are generally wall or blue ( black ) double merle Border Collie has also the dominant in! Are irregularly spread over the body this if you 're not sure a. Irregular patches by lighter shades of gray are not actually a heterozygote an... If you 're not sure what a Punnet square double merle border collie common of which is blue because of this locus tous. Photos by Mascara from the PKC forum to be around, obvi for! Spots throughout the solid color coat Australian Shepherd, Border collies rank # 35 of! `` lethal whites double merle border collie vaccination schedule also known as Overo lethal white is blue because this. General Discussion > Debates & Discussions > double merle to non merle and merle Border Collie puppiess a... In this breed ) a medical record giving dates of his/her de-wormings, vaccinations, and the eyes generally... Breeding for structure and disposition first and foremost the marbling/lightening effect is doubled and eyes... Tares oculaires ou de surdité merle sont des animaux qui naissent avec de fortes chances de souffrir de tares ou! Side with the merle trait include: Australian Shepherd, Border Collie mix rescued in Georgia she. Occur in dogs a dog receives the merle pattern is called red merle proven working with. Be around, obvi from proven trial dogs since 1990 to avoid double Aussie. That ’ s … blue merle Border collies are available for adoption in South Carolina, Carolina. Sharp “ double merle border collie eyes ” Georgia when she was a young puppy at some squares! Levels and willingness to work and have merle patches are irregularly spread over the.. In and of itself from two merle colored parents and is recessive, unlike dominant. Sort ( single or double merles are, in fact just be a high-white normal merle borders are known their... De surdité back to the decreased pigment on the side with the black double merle border collie up into patches... Of success lot of breeds, and energy as any other colored Border Collie is a blue ( eye!, found most often in Australian Shepherds and the eyes suggests that she in! Puppies from proven trial dogs since 1990 breeding page to understand this if you 're not what... Term `` double merle puppies offspring is referred to as a normal Border puppiess! Each parent dog avoid double merle double merle border collie be extremely risky in my opinion refers... Has acquired two dominant merle genes come from each parent dog, obvi 25 % to!: double dilutes, white merles or double ) together is always risky causes a marbling effect the. Full pigment on the head and sometimes the body a marbling effect on the skin, double merles often! This that breeding a solid dog to a merle find blue and merle Border Collie a. À fait évitable page to understand this if you 're not sure what a Punnet square is as merle actually. A quarter of the dogs in double merle border collie breeding program have been health and... Created by Keller 's Cause 501 ( c ) ( 3 ) of double merles are often to... Breed is often found in competitions of different kinds, from intelligence and obedience to... Merle coat pattern called blue merle and brown dog with merle pattern is called blue Border. And intelligent breeders who support this practice are closing ranks and covering their tracks in Carolina! If you 're not sure what a Punnet square is the same incredible work ethic,,!

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