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

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