Profitable dairying; a manual for farmers, dairymen and students . DAIRYING Too many farmers make a single weight and test of the milk oftheir several cows and then let the matter drop. This is a seriousmistake, as it teaches next to nothing, and the only way that thedairyman may know exactly what each of his cows is worth to himis by testing frequently, weighing every day in the year and multi-plying the total weight by the average test to get the weight of butterfat. There are shorter methods requiring less time, but they areall open to one objection—inaccuracy—and are not recommended. The s
Profitable dairying; a manual for farmers, dairymen and students . DAIRYING Too many farmers make a single weight and test of the milk oftheir several cows and then let the matter drop. This is a seriousmistake, as it teaches next to nothing, and the only way that thedairyman may know exactly what each of his cows is worth to himis by testing frequently, weighing every day in the year and multi-plying the total weight by the average test to get the weight of butterfat. There are shorter methods requiring less time, but they areall open to one objection—inaccuracy—and are not recommended. The simplest and easiest of these methods is to weigh and testthe milk of each cow for six days during the fifth month of her milkingperiod. It has been shown by experiment that the fat productionfor the fifth month represents to a considerable degree the averageproduction for the ten months that a cow is in milk. If this be truethen this weight multiplied by five will give the average weight pro-duced monthly, and this monthly average multiplied by ten will give. Finderne Pride Johanna Rue No. 1210S3. Typical Holstein Cow. Worlds ChampionAugust 1, 1915. Pounds of Milk Pounds of Butter Days 7 30 365Courtesy of Somerset Holstein Breeders Co., Somerville, N. Y. the total amount of milk produced in ten months, the number ofmonths every good dairy cow should give milk during the year. ^This 37 PROFITABLE DAIRYING total amount of milk multiplied by the test will give the yield of fat,to which one-sixth is added to find the butter yield. This method israpid and fairly accurate. One example to illustrate: Supposea cow is found to give 100 pounds of milk in six days during the fifthmonth of lactation. Then 100x5x10=^5000 pounds of milk test is per cent. Then per cent=210 pounds butterfat; 1-6 of 210 is 35; then 210-1-35=245, or this cow produces approxi-mately 245 pounds of butter annually. Every good dairyman should k
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