Pyruvate kinase is an enzyme involved in the metabolism of red blood cells. When mutations in the PKLR gene occur, it reduces the functionality of  this enzyme and subsequently affects the ability of red blood cells to survive and function properly. Learn about pyruvate kinase deficiency in cats, symptoms and treatment, and the cat breeds that are known to be at a higher risk for this condition.

We all know that human females have menstrual cycles, which occurs when the uterus sheds its lining once every 28 days or so. But what about your cat? Do cats have periods? Is there such a thing as cat menstruation? Cats are among the group of mammals that go through estrus, a process also known as "in heat." Learn more about estrus, its signs, and how to support a cat in heat.

How can you tell if your cat is fully grown? Learn about cat life stages and developmental milestones that can help you find out whether or not your cat has grown to full maturity. Know when to make important decisions that will help you best support their health and well-being, such as whether your cat is ready for adult cat food or at what age they should be spayed or neutered.