Elements of farm practice, prepared Elements of farm practice, prepared especially for teaching elementary agriculture; elementsoffarmpr01wils Year: 1915 DAIRYING 207 COW has given during the month. It also enables one to tell at once whether a cow gives less than her usual flow of milk. If a cow has been giving fifteen pounds of milk, and suddenly drops to thirteen pounds, one's attention is called to the fact at once and the cause can be sought. It may be found' that the cow got out of the yard and that the dog was set on her; that'she was left out in the cold too long; that she was turned
Elements of farm practice, prepared Elements of farm practice, prepared especially for teaching elementary agriculture; elementsoffarmpr01wils Year: 1915 DAIRYING 207 COW has given during the month. It also enables one to tell at once whether a cow gives less than her usual flow of milk. If a cow has been giving fifteen pounds of milk, and suddenly drops to thirteen pounds, one's attention is called to the fact at once and the cause can be sought. It may be found' that the cow got out of the yard and that the dog was set on her; that'she was left out in the cold too long; that she was turned out to drink when the wind was so cold and the water so nearly froz- en, that she did not get the amount of water she needed, or that a win- dow or door was left open and the cold draught chilled her. Whatever the cause of the loss in milk may be, if attention is called to it, the cause and the remedy may both be found. Sampling.—A sample to be tested for the per cent of fat should be tak- en just as the milk is being weighed. Stir the milk in the pail to make sure that it is all uniform; then take a small sample in a bottle. Each sample may be tested soon after being taken, or a simpler way is to take sev- eral samples from the same cow and keep them in one bottle, and test all together. In this way of testing, some pre- servative must be added to keep the samples from spoihng. Testing.—Any careful boy, twelve or more years old, can test milk, if he has a tester and is shown how, or, if the milk is weighed at home and samples taken, the creamery man will, as a rule, test them for a very small charge or for Figure 93.—Scales and convenient case for weighing and sampling milk.
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