What can cause a blue tongue in a Chow Chow?

Genes and only genes (unless you're going to dye a Chow Chow's mouth). While complete DNA analysis of the Chow Chow hasn't been done, it is known that the blue tongue and mouth come through a dominant gene. A few other dog breeds, such as the Shar Pei, can also manifest blue tongues. read more

While complete DNA analysis of the Chow Chow hasn't been done, it is known that the blue tongue and mouth come through a dominant gene. A few other dog breeds, such as the Shar Pei, can also manifest blue tongues. read more

The Chow Chow's tongue is blue, purple, piebald or black depending on the individual dog. It is simply due to the presence of pigmented cells, similar to the same types of cells which determine human skin color. read more

Chow Chow with purple tongue One of the great debates of the dog world has always involved the color of the Chow’s tongue. Many people ask why the Chinese Chow Chow and Shar-Pei both have purple tongues, but other breeds do not; the answer to this question is not simple or known for a fact. read more