12 
BULLETIN 752, U. S. DEPARTMENT OF AGRICULTURE. 
TVhen the grain rations fed the pigs in these cooperative tests are 
considered, the results obtained, as indicated by the average daily 
gain and the grain fed per hundredweight of gain, compare not on- 
PI92RP. 
Fig. 3. — Portable weighing outfit used in the swine-production tests conducted in co- 
operation with farmers. The crate and the weighing frame are easily taken down and 
transported from place to place. 
favorably with those in the tests made on the experiment farms. It 
will be noted that increased grain requirement per unit of gain was 
closely associated with increased size of the grain ration. 
Table VII. — Results secured in cooperation with farmers with ten lots of phis 
on irrigated alfalfa pasture supplemented with com on three reclamation 
projects in 1915 and 1916. 
Pigs. Project. 
Y Corn 
iear - ration. 
Number 
of pigs. 
Average 
initial 
weight. 
Average 
Time • daily 
of test. 1 gain, 
per pig. 
Grain fed 
per 100 
pounds 
of gain. 
Lot 1 tncompahgre 
Lot 2 North Platte 
1916 
1916 
Per cent. 
1.30 
1.S6 
2.24 
2.5S 
2.62 
3.00 
3.31 
4.S7 
4.90 
6.95 
22 
87 
94 
64 
S4 
22 
94 
19 
33 
Pounds. 
114 
45 
23 
66 
43 
66 
US 
175 
153 
139 
Days. 
33 
31 
US 
31 
31 
93 
68 
27 
Pounds. 
0.70 
.40 
.42 
.76 
.48 
1 
1.25 
2.07 
Pounds. 
228 
241 
Lot 3 do 
1915 
1915 
1916 
1916 
1916 
1916 
274 
263 
276 
Lot 6 H untie v 
332 
Lot 7 North Platte 
Lot S do 
415 
478 
Lot 9 do 
Lot 10 do 
1916 
1915 
36 
19 
2 22 
2.24 
414 
494 
Summary. — The tests with the -±4 lots of pigs on alfalfa pasture 
supplemented with corn included 895 head. The character of these 
animals, the quantities of grain fed, the methods of management^ 
