are designed to obtain water as part of their food. People who feed their cat dry food think that the animal is consuming enough water, because they see it drinking from a water bowl, but cats do not make up their water deficit this way.


We can think of wet food, pack- aged in cans or pouches, which is a minimum of 75 percent water (ap- proximating that of a cat’s normal prey), as working to flush out the cat’s internal plumbing several times each day, because such a water-rich diet produces much more urine than a water-depleted dry diet. The fact that urinary tract problems are common in cats, and often life-threatening, underscores the importance of keeping water flowing through the kidneys and bladder, which is critical to the health of this organ system.


Carb Load


The high carbohydrate load of dry cat food wreaks havoc on the blood sugar balance of many cats because they lack the necessary enzyme systems to efficiently process carbohydrates. This comes as no surprise, given a cat’s strict carnivore status. While some cats are able to handle elevations in blood sugar levels, many are not, and this can contribute to the development of diabetes.


In the 20th century, dry kitten and cat food attracted a huge following due to its convenience and affordability, but informed and caring owners now realize that wet cat food is a far more healthy choice. Veterinarians and en- lightened consumers understand that a core principle of nutrition is: pay more for good food now or pay the doctor later. This principle applies to our pets, as well as to us.


Finally, no discussion of dry versus canned food would be complete with- out addressing the myth that dry food is good for a cat’s teeth. In fact, this old tale has no basis in reality.


Lisa Pierson is a doctor of veterinary medicine based in Lomita, CA. For more information on how to make the switch to a healthier diet, see the “Tran- sitioning Dry Food Addicts to Canned Food” at CatInfo.org.


natural awakenings February 2011 33


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