This method of modification maintains nutrient to calorie ratios, which is important as animals typically eat for calories, not weight of food. (researchdiets.com)
Also known as canned pet food, kitten wet food contains more moisture than nutrients per weight of food. (mypetneedsthat.com)
Thus, they can be listed as percentages, meaning the protein and fat content are each a percentage of the total weight of the food. (tuftsyourdog.com)