Milk compositions having low fouling rates selected by reference to .beta.-l
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United States of America Patent
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Dec 22, 1998
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N/A
app pub date -
Jun 9, 1997
filing date -
May 19, 1995
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Abstract
This invention is based on the discovery that there is a relationship between the fouling rate of milk during processing into milk powder products and the .beta.-lactoglobulin phenotype of the cow whose milk is being processed. Milk from .beta.-lactoglobulin BB phenotype cows has a much lower fouling rate than that from .beta.-lactoglobulin AA phenotype cows. The invention consists in a method comprising testing milk from identified cows for the presence of non-fouling .beta.-lactoglobulin variants and recovering and maintaining that milk separate from the fouling variant containing milk. The non-fouling variant or blends of at least 30% by weight of the non-fouling variant are further processed into milk powder products. The invention also consists in a method of selecting a diary herd having only .beta.-lactoglobulin non-fouling variant phenotype cows.
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