Listen to company president, Pete Reid, talk about the benefits of Marshall Diet: A respected team of veterinarians nutritionists and ferret experts developed Marshall Premium Ferret Diet. Its high protein content and ideal balance of essential amino acids make it the perfect diet for ferrets at all stages of life. Our patented low-heat process retains vital nutrients that other diets don't so freshness is guaranteed. We've improved our formula : Marshall Pet never stops seeking ways to better serve customers and their pets and consumer input has helped us improve our premium ferret diet formula. We've increased the amount of poultry to enhance ferrets' growth and overall health while limiting concerns about odor. The increased amino acid profile improves digestibility and the new formula maintains the highest level of quality and freshness that Marshall Pet customers have come to expect.