Discover the Petcurean Difference. So many pet food brands to choose from. So many questions that need answering, and so much to learn. Yup, choosing exactly the right food for your dog or cat can be challenging. GO!™ recipes are prepared with a balanced blend of premium quality protein from chicken, lamb, turkey, salmon, duck, and trout; plus fruits, veggies, herbs, and berries. GO!™ is available in whole grain and grain free recipes, and has zero growth hormones, by-products, or artificial preservatives.