Dr David Roberts practical home Dr. David Roberts practical home veterinarian .. drdavidrobertspr00robe Year: 1911 TESTING FUR BUTTER FAT. To test milk for butter fat you must have a Babcock Tester and bottles. Yn ure the milk with a pipette. Measure c. c. (cubic centimeters) of milk wi ,»H>ette and put in the test bottle. To this add c. c. of sulphuric acid and mi : taking. Then put it in the tester and run the tester for five minutes and then add enough arm water to bring the butter fat up into the graduated neck of the bottle where it in be read. Run the tester one minute mor
Dr David Roberts practical home Dr. David Roberts practical home veterinarian .. drdavidrobertspr00robe Year: 1911 TESTING FUR BUTTER FAT. To test milk for butter fat you must have a Babcock Tester and bottles. Yn ure the milk with a pipette. Measure c. c. (cubic centimeters) of milk wi ,»H>ette and put in the test bottle. To this add c. c. of sulphuric acid and mi : taking. Then put it in the tester and run the tester for five minutes and then add enough arm water to bring the butter fat up into the graduated neck of the bottle where it in be read. Run the tester one minute more and your test is ready to read. You know how many pounds of milk your cow gives and how much it tests. vow, to find how much butter she is producing: Multiply the pounds of milk by the I er cent, of butter fat, and then multiply by one and one-sixth and this will give you the amount. For example, your cow gives in one day 38 pounds of milk testing per cent. You multiply 38 pounds of milk by .042 butter fat. 76 152 pounds butter fat. One pound of butter fat will make 1%%%%%%%% pounds of butter, so you multiply xlVe— pounds butter. This shows just how much butter your cow is producing a day. If you sell your butter at'25c your cow is earning 46x/2c a day. pounds butter. $ .25 9310 3724 $.46550 From this subtract the cost of feed and you will have the net earnings,of your cov READ WHAT THE OWNER SAYS Waterloo, Iowa, 12-12-'10 Dr. David Roberts, Waukesha, Wis. Dear Doctor: I am sending you a photo' graph of the Grand Champion Guernsey cow, Bo-Peep, which I called you to Chicago to treat. She arrived home from the Na- tional Dairy Show in excellent con- dition and I very much appreciate the professional attention that you gave her while there. Yours very truly, \Y. W. Marsh.
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