Some brands are Blue Buffalo, Wellness, Eukanuba, Science Diet, and Iams
Some of the best dog food brands in Canada would be Timberwolf organic, Purina or Science Hill .
Some of the all natural brands of dog food would be Blue Buffalo, Merrick as well as the Nutro brand. As these are mostly specialty dry or wet dog food it usually can not be found at the local grocery store. Instead it would be advised to look for these brands at Pet Stores.
Some of the best dog food companies include: Science Diet, Eukanuba, Innova, Purina, and California Natural. While all of these dog food brands come highly recommended none of them can replace the quality of a raw or cooked homemade diet.
Some brands of premium dog food include but are not limited to Eukanaba, which is developed specifically for dogs of different breeds and sizes, and Iams, which is good for a variety of dogs with different lifestyles and age.
Some of the best options for rabbit wet dog food include brands like Merrick, Wellness, and Blue Buffalo. These brands offer high-quality rabbit-based wet dog food that is nutritious and suitable for your pet rabbit.
There are plenty of great choices for healthy dog food. Some, such as Royal Canin and Bil-Jac, are brands specifically for smaller dogs. Brands like Buffalo Blue and Taste of the Wild are suitable for most breeds and sizes, and include specialty categories for age, weight, and more.
Regular dog kibble should be fine. Mostly all dog food brands have different kibble for toy dogs, small dogs, medium-large dogs, etc. Some dog food brands such as Science Diet have different kibble for different breeds, but I doubt that will be necessary.
You need to buy the brand that is specified on the coupon. There are many brands of dog food that offer coupons, such as Alpo and many more.
You don't have to get the most expensive dog food to ensure your dog gets the best, some cheaper brands are just as good if not better but if you really want to spend a lot on the food Petco have a list of the most expensive dog food
Cabincoupon.com has some dog food coupons that you might find useful at: http://www.couponcabin.com/grocery-coupons/pet-care/coupons.htm
Reviews on dog food can be viewed on the website Dog Food Analysis website. The website has reviews about multiple dog brands and whether they are good or not.
It all depends on the breed and age. Other factors are if the dog has any medical issues or if the dog is more physically active then normal.