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BLUE Wilderness also comes in grain-free recipes
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Trusty is a good looking pup! I don’t recommend to feed grain free diets unless you know that your dog has a grain allergy. Just so you know, food allergies are uncommon and represent less than 10% of all dogs who have allergies. When pets do you have food allergies, it is usually to the protein, not grains or other carbohydrate sources. Well the connection is not clear yet, there does appear to be a link between grain free diet and heart disease. This likely involves a genetic predisposition to heart disease that the diet exacerbates. I recommend to stay on the diamond food between the two but there are diets I think are better. Royal Canin, Nutro and Purina Pro Plan all produce very high-quality diets that are highly digestible and formulated correctly. Your puppy does need to be eating a large breed puppy food to help avoid skeletal issues as an adult. I hope this helps and please feel free to post any additional questions.
Updated on August 12th, 2025
Hello. Any of the 3 will be fine. The problem with all 3 of these companies is they do absolutely no true feeding trials with their diets. All of their information comes out of a laboratory. There are basically only 3 companies that do actual feeding trials on living dogs, Hills, Royal Canin & Purina. If you want the best go with these, otherwise, any of the 3 you mentioned will be fine. Thanks for using Boop by Petco.
Blue Buffalo is a good quality dog food brand, as are Science Diet (I like the Ideal Balance line), Wellness, Royal Canin, Purina ProPlan, etc. The differences in Blue Buffalo and Purina Dog Chow can be found in the types of meats and byproducts used to make the food, the presence of fillers, and sourcing of ingredients. If Purina is the preferred brand, I tend to encourage pet owners to choose from the Purina ProPlan line rather than the basic Dog Chow.
Thank you for contacting Boop by Petco with your question about Blue. If you don't have enough to make a slow transition, you will have to make do with what you have and hope the new food doesn't upset his stomach. Mix the foods together tonight, and then give him the new food in the morning. As an aside, I do not recommend feeding Blue Wilderness. It is a terrible food, and it's one of the foods linked to causing dilated cardiomyopathy in dogs. The FDA is investigating that link. You would be hard pressed to find any vet who recommends Blue Buffalo, as it causes many other issues such as hemorrhagic gastroenteritis. I would feed him a much better brand such as Royal Canin, Hill's Science Diet, Purina Pro Plan, or Iams. I hope this helps!
I understand. I should have clarified. It is probably not the kibble so much as the canned food. If I remember correctly you also give that? If so, just cut that out completely or give only a tiny amount (like 1 -2 teaspoons per day). You can stick with Blue Buffalo if you'd like. They have an adult weight management diet that is grain free. ( https://bluebuffalo.com/natural-dog-food/grain-free-blue-freedom/dry-food/freedom-adult-healthy-weight-chicken-recipe/ )