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Deriving Lactation Yields from Test-Day Yields Adjusted for Lactation Stage, Age, Pregnancy, and Herd Test Date

โœ Scribed by G.R. Wiggans; P.M. VanRaden; J. Bormann; J.C. Philpot; T. Druet; N. Gengler


Book ID
117975137
Publisher
American Dairy Science Association
Year
2002
Tongue
English
Weight
240 KB
Volume
85
Category
Article
ISSN
0022-0302

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Adjustment of test-day milk, fat and pro
โœ J.B.M. Wilmink ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 731 KB

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