12 
The Colorado Experiment Station. 
while the opposite is the case with the phosphoric acid and lime. 
§29. The ultimate composition of the hay and feces does not 
appear to differ as much as one might expect, so far as the carbon, 
hydrogen and oxygen are concerned but an ultimate analysis of a 
mixture of such complex substances as we have to do with in these 
cases could scarcely be expected to show decided differences, still 
it shows that 61.6 per cent, of the carbon in the hay consumed, is 
digested. The feces show a higher percentage of carbon than the 
hay, which may indicate that the compounds having the higher car¬ 
bon content are less readily attacked than those with less. These 
analyses further show that the hydrogen, nitrogen, sulfur, chlorin 
and the alkalies, particularly potassium, are very largely taken up 
from the fodder, while the calcium, magnesium and prosphorus are 
voided with the feces to a very large extent. This is strikingly 
the case in regard to phosphorus, for according to the ratio given 
for the hay consumed to the feces voided, : 2, it results that of 
892 parts of phosphorus ingested by sheep, 810 parts are voided 
with the feces, which indicates a coefficient of digestion of 10.3 per 
cent, for the phosphorus consumed, which is quite small, averaging 
1.31 grams per day, of which only 10.3 per cent, or 0.131 gram was 
appropriated by the animal. The potassium stands in strong con¬ 
trast to this with a coefficient of 95.6 per cent. The following 
pages present some further considerations, based on different data. 
§30. The following analyses are of an entirely different char¬ 
acter and present a study of the same hay from another standpoint. 
§31. The statement of the analyses is given so fully that no 
further explanation is needed in this place. 
table IV. 
ANALYSIS OE ALEALEA HAY. 
The percentages given in following analyses are computed on 
air-dried hay. 
I 
II 
Av. 
Per cent. 
Per cent. 
Per cent. 
Eighty per cent, alcohol extracted... 
27.177 
27.818 
27.50 
Cold water, 2 4 hours digestion, ex¬ 
tracted . 
8.535 
8.785 
8.66 
Hot water and malt extracted. 
4.790 
3.950 
4.37 
Hydric chlorid, 1 per cent, sol., ex¬ 
tracted . 
12.487 
11.968 
12.23 
Sodic hydrate, 1 per cent, sol., extract¬ 
ed . 
15.341 
17.046 
16.19 
Chlorin, etc., extracted. 
8.372 
9.155 
8.76 
Cellulose, residue . 
23.298 
21.278 
22.29 
100.00 
