double merle border collie

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

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