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.
One of the most frequent topics to arise on reptile forums and Facebook groups is the subject of respiratory infections (RI). Not a single day goes by without at least one post in a group, or at least one PM or e-mail to me, seeking advice regarding a snake that is ill with an RI … Continue reading Respiratory Infections in Reptiles: The Importance of Identifying the Pathogen
In regard to prescription diets, pet food ingredients, ingredient labels, laws, and regulations, there is an endless amount of misunderstanding and false misinformation currently littering the internet. Many websites claim this or that, but almost always have some type of underlying bias, utilize unreliable sources, or do not have the necessary medical knowledge to fully … Continue reading OTC and Rx Food: Demystifying the Definitions, Ingredients, and Regulations
Of course you have! Cats are fascinating animals with very unique physiological adaptations that make them superb hunters in the wild. Sharing your home with a cat is akin to living alongside a miniature leopard; a smaller yet almost identical version of their gorgeous cousins. The cat's tongue is just one of the amazing tools … Continue reading Have you ever wondered about a cat’s tongue?