Jiff the collie represents “shaded yellow,” one of five coat color patterns in domestic dogs identified by Danika Bannasch at the UC Davis School of Veterinary Medicine and collaborators in the U.S.

The shaded yellow phenotype produced by mutations on the ASIP gene are seen in a collie’s coat color. Susan Larson Some breeds of dogs are prized for their unique coat colors, such as the golden ...

It's that time of year when many dogs need a little extra protection — a coat or a sweater — when going out into the cold. Why not try making it yourself? Small breeds such as Chihuahuas, pugs and ...