De Laval Dairy Hand Book

De Laval Dairy Hand Book PDF

Author: De Laval Separator Company

Publisher: Rarebooksclub.com

Published: 2013-09

Total Pages: 30

ISBN-13: 9781230092959

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1916 edition. Excerpt: ...yields. Some cows that never gave a large daily yield, and therefore are not considered of the best, will, because they are persistent milkers, be almost certain to lead the herd for the year. TESTING THE MILK While weighing the milk is the first great step in weeding out the poor cows, it is only one step. Once each month each cow's milk should be tested by the Babcock test. About the middle of the month, a small sample of the milk, from both morning and evening milkings should be placed in a pint fruit jar with closed top. This sample is best taken by using a small dipper made especially for the purpose, and holding an ounce or two, sample being dipped from the milk pail as soon as the milking is done. An inexpensive Babcock tester can be bought that will test two samples at a time and do the work as well as a larger and more expensive machine. In any herd of five cows or more I would advise the purchase of the best cast iron 12 bottle tester to be had. With the rules sent with every machine, whether large or small, any person of average intelligence can make an accurate test from the samples saved in the fruit jar. The weight of the milk given for the month, multiplied by the per cent of fat as shown by this test, will give the yield of butter-fat for the month for each cow and at the end of year the sum of the months' totals will give the yearly production of each cow. As great a surprise awaits the owner who first tests his cows as when he first weighs their milk. Whatever the breed a difference of 2% will be found between the highest and lowest testing cows. Official yearly records of pure-bred cows show that the highest testing cow of each breed gives milk about twice as rich in butter-fat as the lowest testing cow of the same...