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Theses/Dissertations

California Polytechnic State University, San Luis Obispo

Dairy Science

Genetics

Articles 1 - 2 of 2

Full-Text Articles in Life Sciences

Sire Evaluation For Milking Duration, James Macedo Mar 2013

Sire Evaluation For Milking Duration, James Macedo

Dairy Science

The objective of this study was to utilize electronically recorded data from on-farm milk recording systems and herd management software to determine if a sire has a genetic influence on his daughter’s milking duration. Measurements of milking duration from three dairy facilities were taken between January 27, 2013 and January 31, 2013. These measurements supplied 25,070 observations, corresponding to 9,418 cows and 895 sires. These data were evaluated with a SAS alongside a herd-mate comparison. The statistical analysis demonstrated that a sire does have a genetic influence on the milking duration of his progeny. The Van Beek ...


Selecting, Marketing And Rebuilding A Herd Of Genetically Superior Animals, Katherine Rector Dec 2009

Selecting, Marketing And Rebuilding A Herd Of Genetically Superior Animals, Katherine Rector

Dairy Science

No abstract provided.