Responsible, Ethical Breeders: Why They Matter and What You Should Look For

When beginning the search for a purebred dog, one can get overwhelmed by the sheer number of people out there who breed and sell everything ranging from Chihuahuas to Great Danes to the more rare Dogue de Bordeaux and Tosa. Yet there is a MAJOR difference between a "breeder" who just pairs two dogs and … Continue reading Responsible, Ethical Breeders: Why They Matter and What You Should Look For

Siamese Genetics: Why That Cute Pointed Kitten May Not Be One After All!

The actual pointed coat coloring that Siamese and other breeds are known for (as well as rats, mice, and rabbits) is simply a recessive form of partial albinism called "Himalayan".

The Himalayan mutation alters the enzyme responsible for melanin production, which is called Tyrosinase. The mutation restricts the ability of tyrosinase to oxidize tyrosine only at cooler temperatures; warmer temperatures deactivate the enzyme.