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Nutrition...The Foundation of Good Health

Unfortunately for our pets who cannot make decisions about what they will eat, there are products being presented to them that are full of artificial colorings, flavor enhancers to entice them to eat, ingredients such as meat and bone meal that are so highly processed they have questionable nutritional value, and preservatives to allow a long "shelf life" at the grocery store.  This is a sorry state of affairs for our pets; and often the consumer believes they are providing good food for their dog or cat!  (After all, it does say "complete and balanced" on the label!)
     The marketing/advertising of pet foods can be colored with misconceptions, misleading advertising and an overall lack of commitment to be honest with pet owners.  On the other hand, recent realization by pet owners that high quality meat-based foods for dogs and cats really makes a remarkable difference in the health of their pets when compared to feeding grain based pet foods, has led to the availability of some excellent commercial pet nutrition products. During my 35 years of experience treating dogs and cats, plus 7 years in Veterinary School, I have learned through observation and hands-on experience the absolute need for optimal nutritional intake for dogs and cats if we expect them to maintain a high quality of life. I am committed to passing on to you,  the responsible guardians of our dogs and cats, some of the most important aspects of pet nutrition.  You may or may not agree with all that I present; but do keep in mind that my honest observations have been based on physical exams on over 150,000 patients... and therapy, surgery, x-rays and pet owner interaction relating to these patients. 
T. J. Dunn, Jr. DVM

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DOGS... OMNIVORES OR CARNIVORES?

According to Rebecca Remillard, DVM, a Specialist in Veterinary Nutrition:
"Canines are in the order Carnivora, but I think their feeding behaviors are best described as omnivorous. The term carnivore applies to their taxonomic classification, not their feeding behavior. Taxonomically, dogs are members of the order Carnivora, a very diverse group, that includes 12 families of more than 260 species, some of which are herbivorous mammals (the panda). There are three types of feeding behavior (omnivorous, herbivorous and carnivorous) all of which can be found among different members of the order Carnivora."  (From an email response to the question of dogs being looked upon as carnivorous or omnivorous in the newsletter of the American Academy of Veterinary Nutrition.)

Our feline friends are classified as true carnivores because they must consume meat in order to survive.  Go here to see some of the differences between feline and canine metabolism.  Canines are just slightly different from cats in their conversion of foods for life maintenance; dogs are classified as omnivores.  They can survive on a diet of either plant or animal origin if it is balanced and diverse.  But to thrive and not merely survive, dogs should have a source of animal protein - MEAT - in their diets.  There is a huge difference between survive and thrive!  Nature made the rules of biochemistry and nutrition and we mortals have no power (and no business, for that matter) to try to bend those rules.  For that reason there are truly no adequate vegetarian diets for cats.  For that reason dogs thrive on diets based on meat.

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There are so many topics to be discussed that it is difficult to select where to start. The Internet has many informative places to visit for background on how to read pet food labels, what responsibility the Association of American Feed Control Officials (AAFCO) has and even a web site about the Pet Food Institute. Many of these sites have factual information and are not slanted by pet food manufacturers' marketing strategy,  profit margins, or advertising agencies' creative design departments. Other sources of information available to the pet owner looking for good advice may not be quite so objective.  The Golden Rule you should keep in mind is "Does the advice make sense?"

For example, if some pet food "expert" tells you that eating animal fat is bad for dogs and cats and that a plant source of fatty acids is much better, your common sense should tell you that dogs and cats successfully evolved over the eons by consuming animal fat in their diets. So does it make sense to say that animal fat is bad for dogs and cats? Another example is the common notion that lots of protein in a pet's diet will cause kidney damage.  Again, looking at the nature of the dog and cat as primarily a meat-eating animal and having evolved by capturing and consuming other animals, we know their diets have always been high in protein.  Think about what makes sense IN NATURE.  If you hear about a nutritional product that "just doesn't make sense"... be cautious about it's factual basis.

Here is the biggest and most common misconception of all... the promotion of some low priced, grain-based foods as being a Complete and Balanced diet for dogs and cats!  Having done physical exams on tens of thousands of dogs and cats and learning from their owners what these pets are being fed has taught me that dogs and cats look, feel, and perform better if they are fed a meat-based diet rather than if fed a corn, wheat, soy or rice-based diet. This does not mean that grains are bad for dogs and cats; they surely can contribute certain limited nutrients to a good diet (mainly calories in the form of carbohydrates).  Nevertheless, many  veterinarians believe that grains should not be the foundation of a diet intended for a dog or cat. 

By-Products...
Are they getting a bad rap?  As you read various pet food producers' advertising material you will often find such statements as "No By-Products Added!" or "Our food contains no animal by-products so you know it's top quality".  I will let you decide if By-Products aren't good for dogs and cats after you learn what they are.  To most people the term "by-products" congers up images of whatever is left over after the animal is processed, or maybe whatever can't be used for human food, or maybe even what's cleaned up off the processing floor at the end of the day. (I hear this misconception all the time!) It's time you learn what by-products are; so here is the legal definition as described by the official agency in charge of directing animal feeding practices in the U.S....AAFCO:  Association of American Feed Control Officials.

By-Product... Secondary products produced in addition to the principal products.  Well, there is nothing here to indicate good or bad quality of product.  Maybe we should look at what the principal product is to find out what the secondary products are; then we can decide if the secondary products would make good food for meat-eating dogs and cats.

If Meat is the primary product (meat refers to the skeletal muscles of the slaughtered mammal) then ...
Meat By-Products - the non rendered (uncooked), clean parts, other than meat, derived from slaughtered mammals. It includes, but is not limited to, lungs, spleen, kidneys, brain, livers, blood, bone, partially defatted low-temperature fatty tissue and stomachs and intestines freed of their contents. It does not include hair, horns, teeth and hooves.

Think about this for a moment... in a free roaming and natural state, wouldn't dogs and cats feed on exactly these parts of a killed prey animal?   Wouldn't a meat-eating animal consume the liver, stomach, lung tissue, and intestines of the prey?  These tissues are what we call by-products! They happen to be very nourishing for meat-eating animals like the canine and feline!   My conclusion is that Meat By-Products are a good source of nutrition for dogs and cats; what's yours?

If you are worried about the concept of "too much protein harming the kidneys"... take time to read about this myth here.

(For hundreds of pages of definitions, rules for processing, amounts of preservatives and additives allowed, feeding trial protocols and much more, you should consider purchasing an Official Publication of AAFCO Phone:1-404-656-3637. Ask for the AAFCO Official Publication of the Association of American Feed Control Officials)

If you are interested in learning more about sensible nutritional practices, I would recommend these two books, The AAFCO Publication and Canine and Feline Nutrition by Case, Carey and Hirakawa; C.V. Mosby, for your library.  You could spend lots of interesting hours discovering what  many veterinarians and other animal caretakers have not... that sensible nutritional practices are based on proven scientific research.

More topics on Nutrition