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. Made with a patented low heat process this food retains vital nutrients that other diets dont so freshness is guaranteed. Veterinarian recomended Designed specifically for ferrets unique health requirments Made in the USA New improved formula with an increased amount of poultry Amino acid profile improves digestibility Ingredients Chicken by products organs only Chicken Chicken by product meal Cornmeal Dried beet pulp Brewers dried yeast DL methionine L lysine Choline chloride Sodium propionate a preservative Monocalcium phosphate Calcium carbonate Vitamin E supplement L ascorbyl 2 polyphosphate source of Vitamin C Zinc proteinate Zinc oxide Taurine Copper proteinate Vitamin A acetate Copper sulfate Niacin supplement Biotin Sodium selenite D calcium panthothenate Inositol Manganese proteinate Riboflavin supplement Thiamine mononitrate Vitamin B12 supplement Pyridoxine hydrochloride vitamin B6 Mixed tocopherols and BHA preservatives Manganous oxide Cobalt proteinate Cobalt carbonate Vitamin D3 supplement Potassium iodide Folic acid Rosemary extract