/2/ Kllocalories . /j/ O2 consimed + CO2 liberated. Values in parenthesis are assumed. The value 0.82, is usually 

 assumed because this is the mean value for protein, and whatever the ratio of fat to carbohydrate in the food the 

 values calculated will differ by no more than 5.5^ from the true values. /I*/ Values are reasonably acc\irate es- 

 timates from the literature and represent mean nnmmi abundance. Bacteria values unreliable. 



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