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Milk utilization and manipulation of composition in the future

Published online by Cambridge University Press:  27 February 2018

W. Banks  and
D. D. Muir
W. Banks
Affiliation:
Hannah Research Institute, Ayr KA6 5HL
D. D. Muir
Affiliation:
Hannah Research Institute, Ayr KA6 5HL
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Summary

Milk composition varies greatly throughout the year, due largely to the effects of the diet of the cow and the stage of lactation. Whilst such variations go unremarked with bottled and cartoned milk, they are of major importance to manufacturers who use milk as a raw material. The most obvious example is when the yield of a dairy product is affected, e.g. in Scotland, the volume of milk required to produce 1 kg butter varies between 21.1 and 23.3 1 at different times of the year.

In addition, however, some of the more subtle changes in milk composition either affect product quality, e.g. the ease with which butter may be spread, or cause processing difficulties, e.g. instability during heating processes. This paper reviews some of our current knowledge on the relationship between milk composition and the properties of some dairy products — butter, whipping cream, Cheddar cheese, ultra-heat treated milk and full-cream evaporated milk. The aim is to identify those milk components that affect each product or process and then enquire how milk composition may be altered to effect improvements — whether at the farm by dietary manipulation or at the creamery by technological adjustment.

It is believed that all the evidence indicates that, despite difficulties due to restrictive legislation, the answer must lie at the creamery. The farmer should concentrate on producing desirable milk solids at the lowest possible cost and leave the technologist to do the fine tuning that leads to improved products.

Type
Research Article
Information
BSAP Occasional Publication , Volume 9: Milk Compositional Quality and Its Importance in Future Markets , 1984 , pp. 17 - 25
Copyright
Copyright © British Society of Animal Production 1984

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References

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