Guest guest Posted September 25, 2011 Report Share Posted September 25, 2011 Volume in milk and cream do not relate directly to percent fat. Milk is more than 90% WATER, so what you are measuring is percentage of butter fat by WEIGHT. 4.5% is possible in a good breed, say Jersey or Gurnsey, higher in beef breeds. Curiously, regardless of total volume, cattle will give the same total pounds of butterfat, according to the diet. I had a Jersey that produced about 5-6 gallons per day, the cream line would be one quarter way down the jar from the top, the Red Holstein/Milking shorthorn gave 7-8 gallons per day, but the cream line barely came past the curve of the glass jar, probably a third less in volume, but still about the same number of pounds. Look at it this way if a cow is giving 80 pounds of milk a day, and that milk is 3.5% then that is about 2.8 pounds of fat.Also, when a jar of milk appears to be about 1/3 cream, think about it, would it appear the same in a straight walled cylinder?One of the reasons for the narrow neck milk bottles was the appearance of more cream. Bill Roseboro, NC Quote Link to comment Share on other sites More sharing options...
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