Elementary agriculture . elementaryagricu00nida Year: 1915 APPENDIX 247 The Babcock Milk Test 8. The value of a dairy cow may be known from two factors: (1) the amount of milk given and (2) its rich- ness in butter-fat. The amount of milk is determined by weighing, while the butter-fat may be found from the Babcock test. Have some pupil bring a sample of milk taken immediately after the milking is done and after the milk has been poured two or three times from one vessel to another so as to mix it thoroughly. For testing butter-fat you need the following: (a) A Babcock Tester, Two or three mi
Elementary agriculture . elementaryagricu00nida Year: 1915 APPENDIX 247 The Babcock Milk Test 8. The value of a dairy cow may be known from two factors: (1) the amount of milk given and (2) its rich- ness in butter-fat. The amount of milk is determined by weighing, while the butter-fat may be found from the Babcock test. Have some pupil bring a sample of milk taken immediately after the milking is done and after the milk has been poured two or three times from one vessel to another so as to mix it thoroughly. For testing butter-fat you need the following: (a) A Babcock Tester, Two or three milk test-bottles, A pipette to measure the milk, A small glass measure for acid, A pint bottle of Sulphuric Acid, Hot water, A few ounces of milk to be tested. (b) (c) (d) (e) (f) (g) Fig. 123. A Babcock Milk Tester [Equipment may be obtained from a. Flanagan company, Chicago. Four Bottle Milk Tester,$ Four Bottle Milk and Cream Tester, $ Weight boxed, 17 lbs. Transportation charges additional.]
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