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Department of Dairy Industry, New York State College of Agriculture, Cornell University, Ithaca, New York
ABSTRACT
The average carotenoid content of the commercial, bottled market milk in New York State was 3.4 mg. per liter of melted fat in winter and 10.1 in summer. The corresponding values for average Holstein milk from the Cornell herd was 3.49 and 5.78; for Jersey milk 5.87 and 10.5 and for Guernsey milk 8.50 and 16.4.
Bottled market milk ranged from 1.51 to 7.26 in winter and from 4.85 to 24.6 in summer. Individual variations within the same breed are much larger than the variations among average values for the different breeds. Individual samples of Holstein milk in June ranged from 2.72 to 10.6, and Guernsey milk from 10.4 to 20.8.
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