Testing milk pH during cheese production
Farmers testing the pH of raw milk intended for use in cheese production in Maryland, USA. The pH meter shows a recording of 6.88. This is a typical value for raw milk and means the milk is very slightly acidic. Milk pH level is important in cheese production, and in part determines whether a soft or hard cheese will be produced., by Bob Nichols, US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY
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