380 Animal Calorimetry 
TABLE I. 
The Hourly Elimination of Nitrogen during the 4th, 5th, and 6th Hours 
after Administering 600 Gm. of Meat to a Resting Dog. 
N in urine per hr. 
Date. eS 
4th hr. 5th hr. 6th hr. 
gm. gm. gm. 
Octe Al Ols 1c koe ee 1.00 1.08 1.05 
SON eA RMT ERE 5 inl 1.01 1.04 1.06 
Jie RA 6 Manabe are a) tae Yn TSG 2, 1.06 at Lene 
Laos AR eI EAE ane ies SO Soe ees As 1.01 Rak} js este 
PIECE OG SET Ie alee eames eee 1.07 1.05 1.08 
arin DLO 1S saa), oe eet nee aa 1.05 1.07 1.09 
AVEPAGC Joaie votes tte Seen 1.04 1.08 1.07 
a 
.. The dog was then caused to run on the treadmill for 30 minutes 
in four experiments during the beginning of the 5th hour, and 
then in two later experiments during the end of the 5th hour. 
The following results were obtained. 
TABLE II. 
The Influence of a Run of Half an Hour during the 5th Hour after the 
Administration of 600 Gm. of Meat upon the Nitrogen Elimination 
of That Hour Contrasted with That of the Previous and 
Subsequent Hours When No Work Was Done. 
N in urine per hr. 
Date. ; 
4th hr. 5th hr. 6th hr. 
gm. gm. gm. 
OC ten 2th 1 (rere shes an a eared oe 1.07 1.09* _ 
NOV 23) 2 tee ee ae eee 1E02 1.08t 1.06 
aM we ty Pes ie eee Ge ke ot 1.09 1127 TT} 
RE eer be eee he eel eT ef 1.05 1.057 1.04 
Dee. 31> Shae ee eee ee 1.06 1.07} 1.08 
dan. 3; 191Sse0 45o.aee ee eee 1.04 Lt O88 LAG 
Averages. 2. Ji. A gu aoe ee 1.05 1.07 1.07 
* Distance traveled, 2,090 meters = 1.30 miles. 
+ Distance traveled, 2,125 meters = 1.32 miles. 
. It is clear, on comparison of Tables I and II, that mechanical 
work has no influence on the hourly rate of absorption of protein 
or on the intensity of the hourly metabolism of protein in a dog 
which has been given meat in large quantity. 
