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Color Genetics Section
 
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Chocolate Tri- The hair color on Choco's can vary slightly, but, there is no getting around the LIVER Colored nose. The nose, eyeliner, and pads should be some variation of brown, whether Hershey type chocolate or a more diluted chocolate as in chocolate fawns. The eyes are often light gold, green, blue, or gray. If the nose is not liver(brown) it is NOT A TRUE CHOCO! In addition to the nose color, DNA Color testing will reveal the "bb" alleles in TRUE CHOCOLATE dogs. For more info, please refer to the Official Rare Color Chart. 
Official Rare Color Chart for English Bulldogs
NEW! Color Basics Page
Color Genetics Chocolate
Color Genetics Black Study
Color Genetics-Blu Dreams
Color Genetics Black Beauties
Color Genetics-Lilac Passions
Color Tables for Choco & Blue

Color DNA Testing Centers
Color DNA Testing   <<<We recomend UCDavis!
DDC 
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These are some of our Chocolate Sensations. All dogs owned/produced by Rare Bulldogs.
Dark Chocolate Tri Dark Chocolate Tri
True Chocolate Tri Chocolate Fawn Tri
  Light Chocolate Tri English Bulldogs
Chocolate Sable Tri Platinum Chocolate
Chocolate Sable Tri English Bulldogs Platinum Chocolate English Bulldog
 
New info on the Chocolate(brown) geneotype b
As if this were not confusing enough, I have now been advised that there are 3 Sequences to the b genotype. Which means you can have either b, b2, or b3 on your dogs DNA. This can be on one or both sides of the complete gene. Therefore, it is possible to have your dog dna any one of the following types:
Bb    Bb2    Bb3    bb    bb2    bb3    b2b    b2b2    b2b3    b3b    b3b2    b3b3

Some labs recognize all 3 sequences and some don't, so you could have a b2 or b3 on your dog and not know it. What does this mean? To put it simply, the more little b's your dog has, the higher the percentage SHOULD be as to the puppies your dog will give it to.
The Noses have it!
In this first photo our Choco Baby Scrunchy on the left
next to her sister who will have a black nose.
It is very easy to see the light brown nose pigment coming in.

chocolate noses on English Bulldogs

In this photo we have our same black nosed girl on the left, our Chocolate Boy Semi in the middle, then our Chocolate Girl Truffy on the right.
english bulldog chocolate noses

More photos at 4 weeks old...more pigment coming in. Black nose puppy on right.
English Bulldog chocolate and black nose english bulldogs

English Bulldog chocolate and black nose comparison

chocolate dilute english bulldog nose

chocolate, chocolate dilute, black english bulldog noses

Our 3 Chocos at 8 weeks old
Chocolate english bulldog puppies
For more chocolate info & photos, see our Chocolate Sensations Page.