COLORADO EXPERIMENT STATION 
31 
Acknowledgment 
Acknowledgment is hereby made to The Wagner Glass Works, 
The Creamery Package Manufacturing Company, E. H. Sargent & Co., 
J. G. Cherry & Co. and A. H. Reid Creamery and Dairy Supply Com¬ 
pany, for their kindness in supplying most of the electrotypes for this 
bulletin. 
INDEX. 
Page 
HERD TESTING ---------- 3 to 4 
MILK TESTING ---------- 5 to 9 
Skim Milk Testing - ------- 7 
Variation of Fat in Milk -------- 8 
Preparation of Milk cwr Cream Samples for Mailing 9 
CARE OF CREAM; AND CREAM QUESTIONS - - 9 to 13 
METHODS OF RECEIVING AND SAMPLING CREAM - 13 to 15 
CREAM TESTING - - - - - - - - - 15 to 21 
How to Clean Test Bottles - - - - - - - , 18 
Glymol and Its Use. - -- -- -- -18 
Action of Sulphuric Acid - -- -- --19 
The value of Cream -------- 19 
To Find the Avergae Per Cent of Fat ----- 19 
STATION PROBLEMS - - - - - - - - 21 to 22 
Probable Cause of Shortage - - - - - - -21 
Probable Cause of Excess - -- -- --21 
Frozen Cream - -- -- -- -- -21 
Cause of Air Bubbles in Fat Column ----- 21 
A Milky Fat Column - -- -- -- -22 
Filling Cream Cans -------- 22 
McKay Sampler - -- -- -- -- 22 
THE CREAM STATION— 
Location and Equipment ------- 22 to 29 
LICENSES, EXAMINATIONS AND INSPECTIONS - - 27 to 31 
How to Make Application for and Take Examinations - - 28 
Substitutes - -- ->------28 
Inspections - - - - - - - - >- - 29 to 31 
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