FPD – Freezing Point Depression

Freezing Point Depression (FPD) is a test used to measure extraneous water in milk. The freezing point of milk is usually in the range of -0.512^oC to -0.550^oC with an average of -0.522^oC. FPD is usually reported as a whole number, hence -0.522^oC would be reported as 522m^oC. This insight publication looks at the factors affecting FPD and practical solutions to avoid added water in your milk.

Issued August 2018.

About Kingshay insight publications

insight publications replace the Farming Notes which have been produced by Kingshay since 1991, publishing on issues critical to the success of a modern dairy farm business. These briefings which now include dairy insight, business insight and research insight, provide dairy farmers, large animal vets, farm consultants and other interested parties with the most important and timely information in a concise two-page format. The information contained in our insight publications is written and updated by our experts to ensure accuracy and save you time.

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