OBJECTIVE: To evaluate marketing claims, ingredients, and nutrient profiles of over-the-counter diets marketed for skin and coat health of dogs.DESIGN: Cross-sectional study.SAMPLE: 24 over-the-counter dry and canned diets marketed for skin and coat health of dogs.PROCEDURES: Data on marketing claims and ingredients were collected from diet packaging and manufacturer websites. Concentrations of selected nutrients were obtained by contacting the manufacturers and were compared against minimum values for Association of American Feed Control Officials Dog Food Nutrient Profiles for adult dog maintenance based on calorie content.RESULTS: Most diets incorporated marketing terms such as digestive health, sensitive, or premium that are poorly defined and may have limited relevance to skin, coat, or general health. The types and numbers of major ingredients (ie, potential to contribute protein to the diet) differed. The total number of unique major ingredients in each diet ranged from 3 to 8 (median, 5.5), but the total number of unique ingredients in each diet ranged from 28 to 68 (median, 38). Concentrations of nutrients associated with skin and coat condition also differed widely.CONCLUSIONS AND CLINICAL RELEVANCE: Results indicated that the large variation among over-the-counter diets marketed for skin and coat health may cause confusion for owners during diet selection. Owners of a dog with dermatologic problems should consult their veterinarian to select a good-quality diet that meets specific nutrient goals.
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