The Veterinary Genetics Laboratory is excited to announce the launch of a new dog coat color test for a visually distinct color seen in French Bulldogs: cocoa. The cocoa phenotype is described as a brown coat color that is slightly darker than the other identified brown color in dogs. Read more
Specifically, in French Bulldogs, a variant associated with a visually distinct chocolate phenotype was identified in the Hermansky-Pudlak syndrome 3 (HPS3) gene. Dogs with the HPS3 gene variant are visibly darker brown than the phenotypes associated with the previously described TYRP1 brown allele (b).
Blue, Cocoa, Cream, AT, a, pied are all recessive genes meaning you need 2 copies to occupy a locus for the color to be expressed in a dogs coat. So blue would be (d/d) and cocoa would be (co/c0). If a dogs only carried 1 copy of the blue gene (D/d) the blue color won't be expressed in the dogs coat.
When a dog has two copies of the d allele, a black dog will become blue (aka slate) and a liver (chocolate) dog becomes isabella (aka lilac).
Isabella color in French bulldogs develops from dilute Liver dogs. This rarest French bulldog color is usually the most expensive because it comes in so many shades. Isabella French bulldog noses may range from pink to light brown, while their eye color ranges from light brown to light blue.
A lilac French Bulldog dog will have the genotype bbdd (homozygous for liver, homozygous for dilution). Lilac dogs are usually very light blue, almost silver looking, with light eyes and pinkish tint on their muzzle. Due to their unique appearance they run in the higher price range of 5000-7000$.
The cocoa phenotype is described as a brown coat color that is slightly darker than the other identified brown color in dogs. This color has previously been referred to “non-testable chocolate” - but we are excited to say that it is now testable!
KyKy. → ay ay or ay at or ay a. → Sable/Fawn or Red. ↘ at at or at a. → Tan points.
The Isabella Frenchie is the only lilac that is testable for the chocolate gene therefore some French Bulldog breeders consider the Isabella to be the true lilac. This rare French bulldog color is usually the most expensive due to their stunning looks and variety of rare coats.
It occurs due to the same dilution gene that causes a blue hue of hair. ... When a Lilac French bulldog is born, its coat may resemble a coat of a blue Frenchie. As it matures, its coat gets a lighter coloration and a visible Lilac hue. The eyes in a Lilac French bulldog are usually blue, light grey or amber.
The Four Types of French Bulldog Chocolate
Three are testable on the B Locus and one is now newly available through Vet Gen on it's own locus, being referred to as "Cocoa – French Bulldog primary chocolate gene". Until recently, this was referred to as non-testable chocolate in Freanch Bulldogs.
Mutations of the HPS3 gene (Co Locus) impact canine coat color by partially disrupting regular eumelanin (black pigment) synthesis resulting in brown pigment which, depending on the breed, may be referred to as cocoa, brown or chocolate.
A chocolate French Bulldog is very rare. It is determined by the chocolate/brown allele (b). As this is a recessive gene, the dog needs to inherit it from both of its parents. These Frenchies' eye color can vary from green and golden to brown, and even bright yellow in color!
The genes that cause dogs to be SEAL are still not fully understood by even the Scientists themselves. ... These dogs shine through a different color, usually red, but can be fawn, gray, or even green shades, from under the coat, especially in the sun.
Pied means that it is white or eggshell colored skin with few to many patches of a dark color. This means that most pied French Bulldogs are white in color with a darker color. You will notice that pied is a straight opposite of Brindle.
The Isabella French Bulldog is a charming and compact French Bulldog with a rare dilute liver/grayish-blue coat.
Sable French bulldogs posses a reddish sort of pigment with basic fawn coloring. Their color may vary from light tan to darker variations. Sable pooches also have black and black-tipped hairs. Their coat is definitely one of the most special Frenchies a breeder can get.
Blue Brindle French bulldog
Blue Brindle Frenchie has a visible blue/grey coat with traces of brindle. Brindle striping appears on the puppies when they are usually 4 weeks old. Their eye color may vary from yellow, brown to blue and grey.
Fluffy Frenchies are French bulldogs with long hair. They can also be called long-haired French bulldogs. ... As with all other traits, long hair is caused by the presence of a certain pair of genes. In dogs, this is called the Fibroblast Growth Factor, or FGF. Due to their ancestry, Fluffy Frenchies can possess this gene.
French Bulldog triple carrier meaning
Breeders call Frenchies triple carriers if they carry 3 of the rare color DNA genes. Breeders then say that by mating a triple carrier female with a triple carrier male, they can guarantee that the offspring will be one of the “rare” colors.
This is currently the rarest and most expensive color in the French Bulldog breed. Price can be anywhere between $15,000-50,000.