366 Animal Husbandry 
27. Test ror THE Per Cent or Fat By THE Bascock Mrrsop 
Object. To find the per cent of fat in whole milk. 
Materials. Babcock tester, whole milk bottles, 17.6 cubic 
centimeter pipette, 17.5 cubic centimeter acid measure, sulfuric 
acid, two samples of whole milk of different per cents of fat. 
Directions. Test the two samples of whole milk as directed, 
page 161. 
28. Bascock Test or SKIMMED MILK 
Object. To find the per cent of fat in skimmed milk. 
Materials. Same as used in testing whole milk, except skimmed 
milk bottles must.be substituted for whole milk bottles. Samples 
of skimmed milk. 
Directions. Test skimmed milk as directed in the above ex- 
ercise, paying special attention to using extra acid (20 c.c.) and 
whirling an extra length of time. 
29. Bascock Trst or CREAM 
Object. To find the per cent of fat in cream. 
Materials. Babcock tester, 17.6 cubic centimeter pipette, 
17.5 cubic centimeter acid measure, cream test bottles, balances 
for weighing cream, sulfuric acid. 
Directions. Weigh 18 grams of cream into a cream test bottle 
and proceed as in whole milk. 
In the absence of a balance and cream test bottle, cream may 
be tested by emptying a 17.6 cubic centimeter pipette of the 
sample into two or more test bottles, dividing the amount about 
equally between the bottles, and filling the pipette with water once 
or twice, which is then in turn divided about equally between the 
test bottles. The fat in the cream is found by adding the read- 
ings obtained in each of the bottles. 
Since the weight of a given measurement of cream depends on 
