Choosing the right dog food in a world with too many choices Walking down the dog food aisle in a pet supply superstore can present you with an overwhelming number of choices. Reading about dog food on the internet can make your head spin with so many opinions and stories. And judging the content that you find on dog food packaging can be confusing and misleading. How can the average dog owner make an informed choice in accordance with her dog's age, size and condition? In her latest book, author Linda Case describes how to make logical, evidence-based decisions for what to feed your dog amid all the options available.