URMC / Encyclopedia / Content Search Encyclopedia Nutrition Facts Game meat, muskrat, raw, 1 oz Protein (g) 5.89 Total lipid (fat) (g) 2.3 Carbohydrate, by difference (g) 0 Energy (kcal) 45.93 Fiber, total dietary (g) 0 Calcium, Ca (mg) 7.09 Magnesium, Mg (mg) 6.24 Phosphorus, P (mg) 62.37 Potassium, K (mg) 78.25 Sodium, Na (mg) 23.25 Selenium, Se (mcg) 2.58 Vitamin A, IU (IU) 0 Retinol (mcg) 0 Vitamin C, total ascorbic acid (mg) 1.42 Thiamin (mg) 0.03 Riboflavin (mg) 0.15 Niacin (mg) 1.76