Nutritional quality of dog food directly affects health and welfare, and understanding how to evaluate pet food claims and labels enables owners to make informed choices for their dogs' long-term wellbeing.
Dog food quality is a welfare issue that affects health outcomes over the entire lifespan, yet the pet food market includes products ranging from nutritionally excellent to potentially harmful, with marketing that is not reliably correlated with quality. The emergence of dilated cardiomyopathy associated with certain grain-free diets in some breeds illustrates how dietary trends promoted without adequate evidence can create health welfare problems. The best evidence for dog food quality comes from complete and balanced claims based on AAFCO feeding trials, transparency about ingredients and nutrient profiles, and products formulated by veterinary nutritionists. Owners who invest time in understanding dog nutrition can significantly improve the quality of nutritional welfare their dogs receive, but the complexity of the market makes professional guidance valuable.