If you pay more for grass - fed butter, you will be getting a much higher quality fat source in your diet. (ournourishingroots.com)
I am positive that the real problem with commercial pet food is the added preservatives, coloring agents, poor quality protein sources and poor quality fat sources. (drharveys.com)
You may then need to test out some different diets — one that possibly emphasizes high quality fat sources like oily fish, olive oil, nuts, avocadoes as primary fuel sources (version of Paleo) or a diet that emphasizes high quality carbohydrates like oatmeal, greens and fruits, and whole grains. (healthcentral.com)