What Is A Double Merle French Bulldog? A double merle French bulldog is the result of two merle dogs being bred together. Double merles will often inherit genetic mutations as a result of having ...

French bulldogs from reputable breeders cost between $3,000 and $5,000, she says, while dogs from puppy mills or overseas importers with designer coats in blue or merle can bring in about $10,000.