Feeding dry and raw together is not a good thing as they both digest at different speeds meaning the gut is constantly working to digest food ... also to much protein will mean the kidneys are working twice as hard as they need to to process the excess protein ... there is enough protein in raw chicken, beef, lamb and turkey to sustain any working dog without the need for adding more protein via a dry meal ... without sounding like the big I am my dogs are probably worked harder than most on here as I do this for a living and I never feed dry and the dogs are in op condition from just a raw di