A composition suitable for animal treats, toys or nutritional supplements comprises:a fat content of about 8% by weight to about 35% by weight on a dry matter basis, a protein content of about 35% by weight to about 75% by weight on a dry matter basis, a carbohydrate content of less than 30% by weight on a dry matter basis, omega-3 polyunsaturated fatty acids； and omega-6 polyunsaturated fatty acids； wherein the weight ratio of the omega-6 polyunsaturated fatty acids to the omega-3 polyunsaturated fatty acids is from about 0.3:1 to about 5:1.The composition comprises omega-3 polyunsaturated fatty acids having less than 20 carbon atoms in a concentration of from about 0.9% to about 1.2% by weight of the composition； omega-3 polyunsaturated fatty acids having greater than 20 carbon atoms in a concentration of from about 4.2% to about 6.0% by weight of the composition； omega-6 polyunsaturated fatty acids having less than 20 carbon atoms in a concentration of from about 1.9% to about 4.8% by weight of the composition； and omega-6 polyunsaturated fatty acids having greater than 20 carbon atoms in a concentration of from about 1.0% to about 1.3% by weight of the composition, all on a dry matter basis.
