L30 
BUREAU 01 ANIMAL INDUSTRY. 
■ \ and then dried In steam driers at a high temperature. Ir Is then ground 
and shipped In LOO and 300 pound Backs." 
The beef meal, used in the [owa test, is described a^ follows: 
This product is made From scraps of meal and bone from which the groaoo has 
ctracted and the liquors concentrated by cooking. These are then pn 
dried, and ground in preparation for the market, [tis claimed to contain from 40 
nt of protein. 
Analyses of packing housi by-products. — The analysis of tankage 
reported by ih<- [ndiana station Is as follows: 
Per ■•<.nt. 
Moisture 
Protein 19.81 
Ether extract 
Crude fiber 
Nitrogen free extract 
Ash 15.94 
100 
The Iowa Station analyses, Including thai of the corn meal used, 
ar<- as follows: 
Analyses off* eding stuffs. W& ms.) " 
Ration. 
Corn meal. 
Beef meal - 
Tan k 1 1 
Do 
Water. 
Ash. Protein, 
/'. ro nt . /'. r i • nt. /'< ret nt. 
LI. 06 
6.10 
9.06 
1.66 
16.60 
12.85 
Crud. «* 
tract. 
fiber. 
■ 
6L10 
80.10 10.80 
15.60 
Ether 
16.80 
11. To 
"Bui. No. fM. Iowa Expt. Sta. 
F> < ding tankagi in a corn-im "I ration. — In the Indiana : ' experiment 
16 young pigs were fed bo determine the value of tankage. The pigs 
Were purebred Poland chinas and Berkshires. There were 1 Lots, 2 
of each breed in each lot. The tankage was specially prepared by the 
packers who furnished it to the experiment station, and was "made 
from hones and meat taken from the cutting room, tanked immedi- 
ately, and pressed and dried." 
The conditions of the experiment were equal for all lots: all bad an 
opportunity for getting exercise and each lot was in a separate Lnclos- 
nre. There was do sickness and Lot III was the only one Bhowing 
lack of appetite at any time. The pigs were \'<-<\ a-* follows: Lot I. 10 
parts corn meal and l part tankage; Lot II, 5 parts corn meal and l 
pari tankage; Lot III. corn meal; Lot IV, L0 parts of a mixture of 
equal parts of corn meal and shorts and l part tankage. 'The U-i^l was 
weighed out and then mixed with tepid water in the proportion of 
about 2 parts of water to l part of (<-<<\. a slop of medium thinness 
being made. Bach lot of pigs had access to ashes and salt. The 
a BnJ towa Bxpt. Sta, 
BnL No. 90, [ndiana Bxpt Sta, 
