Milk pH
Hi, Milkfans
The pH of milk should ideally be between 6.60 and 6.75.
When milk pH goes into the 6.5’s it is considered to be turning sour and above 6.80 there is reason to suspect mastitis(udder infection) or alkaline soaps – usually because of insufficient rinsing of tanks after cleaning.
Regards,
Leon the Milkman