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Age and Month of Calving Adjustments of Holstein Protein, Milk, and Fat Lactation Yields

โœ Scribed by Cooper, J.B.; Hargrove, G.L.


Book ID
122788069
Publisher
American Dairy Science Association
Year
1982
Tongue
English
Weight
371 KB
Volume
65
Category
Article
ISSN
0022-0302

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The object of this study was to develop a method for the adjustment of test-day milk, fat and protein yield for age at calving, stage of lactation, and month of calving. Test-day records of 14 275 purebred Dutch Friesians were analysed by generalized least squares, (GLS). Functions of days in lactat