538 IVIE. J. B. LAWES ANT) DE. J. H. GILBEET OX THE COIMPOSITIOX OF 
cent, of mineral matter. The increase over the last few 
M for curino will however contain higher percentages of both fat and total ^ su. 
•{:fn^ ZZZ ones of both nitrogenous compounds and mineral matter, than that 
nf thp niorG niocl.Gr8itGly fattGiiGd. aninis-l- r s-v, -f 
From the whole of the evidence the striking fact appears, that about thi-ee-fourths o 
the increase in live-weight of animals “feeding” for the 
li*ri maftpr of somG kind. About two-tbirds of tbo gross incroasG wiU ^ ' 
Only about 7 or 8 per cent, of the gross increase, and scarcely more than one-tent o 
S tot"substLe, will be nitrogenous compounds. Lastly, such ~e may 
frequently contain less than 1, and seldom more than U per cent, of mineral m . 
SECTION VIII.-EBLATION OF THE OONSTITTIESTS STOEED HP IS II™ TO 
THOSE CONSHMED IN THE FOOD, BY FATTENING 
1 Amunts of Mineral Matter, Nitrogmme Compounds, lion-nitrogenous sulstanee and 
Zed 4 Suistanee, stored up in Increase, for 100 of each, oonsunud rn Food. 
Having now arrived at approximate estimates of the composition of the increase 
accuLkted by certain animals, during the final fattening penod, it will be inteie hng 
to consider the probable relation of the co,Muents so stored up 
consumed in tU food which produced it. In the cases of most of the Sheep and ot 
rr^igs, to whifh Tables IX, and X respectively refer, the amounts of certam o Im 
1st ilortant constituents of the food, which were consumed to produce a gwen weight 
of the Irease whose composition is there estimated, had previous^ been determined 
aid le, for the sake of reference, recorded in the Tables, by the side of the — 
composition of the increase itself which was due to their consumption, that u to . 
by tbG sidG of thG GstimatGd amounts of minoral mattor, of mtrogGUOUs 
non-nitrogenous organic substance, and of total dry substance, 
riooibi of the increase in live-weight, there is recorded in the Tables^^the amou 
of each of these consumed in the production of that 100 lbs. of increase, hh e hm e tl lu 
the easy means of estimating the proportion of each of these dasses ' 
stored up in the increase, for 100 parts of the same consumed in the ; 
ThG results of such a calculation are given in Table XII. for the ditferent ots o eev. 
and in Table XIII. for the diiferent lots of Pigs. 
