Animal Science, Department of
Department of Animal Science: Faculty Publications
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Document Type
Article
Date of this Version
May 1965
Abstract
The regression of daughter on dam first-lactation milk deviations from herd-mate averages was found to be linear from an analysis of 47,400 Holstein pairs. The linear equation was y=-25.6 + .210 (x -27.6) and the quadratic equation was y=-25.6 + .208 (x -27.6) + .0000222 (x2-44131.4) with correlation coefficients, .18258 and .18268, respectively. These results suggest that selection response can be predicted adequately even with very large selection differentials.
Comments
Published in Journal of Dairy Science. Copyright © 1965 American Dairy Science Association. Used by permission.