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Originally Posted by Ellie May  Wet foods have to be converted to a dry matter basis to get the actual protein and fat content. Mathematically you are taking out the moisture to get a more accurate reading. All of do is read the guaranteed analysis on the can and divide the protein by the reciprocal of the moisture. So if the moisture is 70, the reciprocal is 30. If the moisture is 75, the reciprocal is 25. So if a can of food says it contains 10% protein and 80% moisture, you find the reciprocal of the moisture (20 in this case) and divide protein (10) by reciprocal of moisture (20). So the protein content would be 50%. Make sense? |
Oh, so Wet food as to be changed to Dry ?