In_dogs Liver_(color)

a labrador retriever dd dilution. note brown nose, , yellow in eyes. in labradors color called chocolate, same liver.

in dogs, liver color caused dilution of eumelanin (black) pigment b locus. gene causes liver recessive, bb or bb dog has normal black pigment. bb dog liver. there several different recessive b genes, turn coat brown. distinguishable through genetic testing. liver may called different names such brown, chocolate, or red. red misleading term, , should avoided when referring color liver because can confused phaeomelanin pigment. second pigment colors true red or yellow parts of dog.

liver dilution can combined other genes dilute dog s coat. d locus dilutes black pigment blue-grey color called blue. recessive trait liver. when dog has both liver , blue dilution, appear light, warm-gray color known isabella. color of weimaraners. color has alternate names such liliac or silver. when liver combined merle, eumelanin (black) pigment further diluted in random patches. creates light reddish-gray dog dark brown patches. color called red merle though misleading. more correct name liver merle or chocolate merle.

a german wirehaired pointer. dog liver. piebald roaning.

there many other dog colors can brown, not liver. dog dark red, irish setter may appear brown. dogs blend of black , red/yellow fur can have brown areas. easy way tell if dog liver or not @ nose. eumelanin (black) pigment colors dog s nose, liver dog have liver colored nose. if nose black, dog not liver. pink nose has nothing liver dilution, , not determine if dog liver or not. liver dilute dog s brown eyes amber/yellow.

it possible dog liver, , not appear brown. dog recessive red cannot produce eumelanin (black) pigment in fur. since liver dilution of black pigment, recessive red liver dog appear shade of red, yellow, or cream depending on intensity of dog s phaeomelanin (red) pigment. recessive red liver still born liver nose , amber/yellow eyes. common nose of recessive red dog fade pink grow older. livers, dog, can covered varying amounts of white hide color of fur.