This puppy food comes in a variety of flavors and with several different protein sources so you can find the perfect fit for your puppy if they don't tolerate specific proteins well. (puppywire.com)
I've been doing research on several different protein formulas on the market and reporting on the ingredients and benefits of each. (nupush.net)
For optimum nutrition, switch your dog between several different protein sources, such as buffalo, salmon, lamb and duck. (petfoodtalk.com)