COI^ORADO FoDDE:RS. 83 
crude fibre is not far from the same, though not nearly so constant, 
being sometimes more and sometimes less. 
§194. The solubility of the nitrogenous substances of these 
different fodders in 8o per cent, alcohol may further exhibit their 
differences, as well as the extent to which these substances are 
soluble in this medium. The nitrogen has, of course, been calcu¬ 
lated as proteids by multiplying by 6.25, the usual factor. The 
following table gives the weight in grams of the proteids in the fod¬ 
ders fed, and the amount which was soluble in the respective sol¬ 
vents. 
TABR^ CIV. 
Alfalfa 
Corn fodder 
Timothy 
Native hay 
Saltbush 
80% alcohol . 
. 640.0 
249.0 
189.0 
231.0 
692.0 
Cold water . 
. 91.0 
33.0 
83.0 
70.0 
57.0 
Hot water and malt 135.0 
27.0 ) 
« 
108.0 
1 % hydric chlorid. . 
. 127.0 
79.0 
99.0 
98.0 
133.0 
1 % sodic hydrate . . 
. 937.0 
116.0 
350.0 
384.0 
618.0 
Chlorin . .. 
45.0 
30.0 
13.0 
29.0 
236.0 
Residue or cellulose 
. 17.0 
6.0 
9.0 
11.0 
29.0 
Total proteids fed . 
.1992.0 
540.0 
743.0 
823.0 
1873.0 
§195. We see that the two hays, timothy and native hay, 
yield between one-quarter and one-third of their nitrogen to the 
alcohol, which is nearly as high a ratio as in the case of alfalfa and 
the saltbush. The maximum relative portion is observed in the case 
of the corn fodder in which the amount dissolved amounts to nearly 
one-half. There is either no relation between the soluble nitrogen 
and the value of the fodder, or it is so greatly modified by other fac¬ 
tors that it is entirely concealed. Of these fodders, alfalfa produced 
the largest results, i. e., 9 pounds of flesh in five days; the corn fod¬ 
der and native hay next with 3J4 pounds each; the saltbush and 
sorghum last with a loss of 8j4 pounds each. 
§196. The amount of nitrogenous matter dissolved out of 
the hays by water, after previous treatment with the 80 per cent, 
alcohol is very small, but the loss of the alfalfa hay which has been 
exposed to the rains suggests, at least, that the nitrogenous matter 
soluble in the alcohol may also be soluble in water. Be this as it 
may, neither cold or boiling water removed any very considerable 
portion after the previous treatment with alcohol. The two excep¬ 
tions to this are the saltbush and the alfalfa. We also notice 
that it is these two, saltbush and alfalfa, from which the i per 
cent, hydric chlorid removes the largest quantities of the proteids, 
that is, absolutely but not relatively, for in the alfalfa, for instance, 
about one-sixteenth of the nitrogen is dissolved out by the i per 
cent, hydric chlorid, while in the corn fodder and timothy hay it 
is about one-seventh. 
