Dog Food Protein

The following items represent some of The Dog Food Advisor’s most frequently asked questions about dog food protein.

Can a high protein diet cause kidney problems in older dogs?

Although some may disagree, recent opinion finds high protein not to be a contributing factor to kidney disease in senior pets.

As a matter of fact, it has now been shown that a low protein diet is actually unhealthy for most older pets. For more details, be sure to read our article about “Low Protein Dog Foods“.

Is a high protein diet unhealthy for a puppy?

Although there are many who still believe high protein can be a health problem for puppies, more recent studies tend to disagree.

The rapid growth which causes skeletal disorders (like hip dysplasia) in larger breeds is now believed to be more appropriately linked to genetics1, excessive dietary calcium2 or overfeeding during the puppy phase of life3.

For more in-depth information about this controversial subject (including references and footnotes), you may wish to visit our article, “Best Puppy Foods“.


  1. A Hedhammar, Canine hip dysplasia as influenced by genetic and environmental factors, EJCAP, Oct 2007, 17:2 (pp 141-143)
  2. Richardson, Skeletal diseases of the growing dog: Nutritional influences and the role of diet, Canine Hip Dysplasia: A Symposium Held at Western Veterinary Conference, 1995
  3. RD Kealy et al, Effects of limited food consumption on the incidence of hip dysplasia in growing dogs, JAVMA, Sep 1992, 201:6 (pp 857-863)