Merle Double Merle Merle French Bulldog Colors. The merle gene dilutes random patches of a dog s coat to a lighter color. The mm dog is a blue merle chocolate merle lilac merle black merle or sable merle depending on what color it would have been without the merling gene.

They vary in size shape and color. Many double merle dogs also have a reddish tint around their eyes. The merle gene dilutes random sections of hair to a lighter color which leaves patches of the original color sometimes these patches can be very small.
Bulldogs with this pattern look like a typical bulldog with a compact body and wrinkly coat.
These patches are distributed all over the body. Almost a quarter of such dogs are completely blind and completely deaf. A double merle english bulldog has inherited 2 copies of big m merle from both parents. Appearance the ideal merle french bulldog is bred to the akc french bulldog standard with sturdy bone structure and a typical frenchie head and expression.