Topic on User talk:Cheldra

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I've had more of a think over the problem, and meat/(cons - milk) and (meat + milk)/cons are fundamentally different formulas. I would say that if you define nutritional efficiency as nutrition_out/nutrition_in, then the (meat + milk)/cons that I did is correct. It's also a more useful number, as it can tell you exactly how much nutrition your getting out in ingredients for the meat component of meals for each nutrition in. If the cows could drink their own milk, then meat/(cons - milk) might be more useful.