Feeding Best Dog Food This simple dog food buying guide helps to understand how to choose the best food for your dog and gives you my top choices for 11 most popular categories. Grain-Free Dog Food and Dilated Cardiomyopathy The FDA has been studying the effects of grain-free dog foods and their potential link to heart disease. This article summarizes the key points of the study. How Much Chicken And Rice Should You Feed Your Sick Dog One of the most recommended ways to help a sick dog recover is to feed them a diet with chicken and rice. But how much chicken and rice for dogs is acceptable?