. A digest of metabolism experiments in which the balance of income and outgo was determined . hi n i m if -:-.£ 1 I !3 i ! i o + - i cs : i 0 iQ 1 i i -~ N i 1 i © i. i 1 1 1 00 1 o i cs x- 00 i ! ! I I I P ¥ ¥ mmmm Mil s Pm Mi mm i W * = • ! 7 : S 1 t1 : d:: ^ i i • m r 3 Mai fit. 298 A DIGEST OF METABOLISM EXPERIMENTS. No. 2307 was made by Boussingault in 1838. The object was to compare the foodand excretory products of a inilch cow to see whether Herbivora derived nitrogenfrom the air or not. The food consisted of potatoes and rowen. Elementary analy-ses of food, urine, feces, and milk wer
. A digest of metabolism experiments in which the balance of income and outgo was determined . hi n i m if -:-.£ 1 I !3 i ! i o + - i cs : i 0 iQ 1 i i -~ N i 1 i © i. i 1 1 1 00 1 o i cs x- 00 i ! ! I I I P ¥ ¥ mmmm Mil s Pm Mi mm i W * = • ! 7 : S 1 t1 : d:: ^ i i • m r 3 Mai fit. 298 A DIGEST OF METABOLISM EXPERIMENTS. No. 2307 was made by Boussingault in 1838. The object was to compare the foodand excretory products of a inilch cow to see whether Herbivora derived nitrogenfrom the air or not. The food consisted of potatoes and rowen. Elementary analy-ses of food, urine, feces, and milk were made. Somewhat more nitrogen was excretedthan was consumed. The conclusion was reached that it was extremely improbable that any nitrogenwas absorbed from the air during respiration. The excretion of carbon and hydrogen was briefly discussed. No. 2308 was made by Voit and his assistants in Munich in 1867, to study theformation of fat from protein and the metabolism of nitrogen. The subject wasa cow. She had been previously fed meadow hay and meal, and the same feedingstuffs were used during the test. Sufficient quantities of these two materials foreach of the 6 days were weighed out, the hay tied up in bundles, and samples takenfor analysis. The urine and feces were collec
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