Foods actually can be switched (varied) without impacting a dog’s digestion. That is more myth than reality. Why? There’s money in this myth: the dog food companies don’t want you switching away from their food. If you vastly change what they eat (say, put a full plate full of fat down as dinner) you may have a problem, or your dog has a sensitive stomach due to some problem, … [Read more...] about Dog FAQs: How can I get my picky dog to eat his food?