Partition of the genetic trend to validate multiple selection decisions

In this note, a procedure to partition the genetic trend of a selected population is presented. Each part of the genetic gain accounts for the Mendelian sampling terms of different groups of animals, which can be sometimes assigned to different selection policies. The method is based on a simple tra...

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Bibliographic Details
Main Authors: L.A. García-Cortés, J.C. Martínez-Ávila, M.A. Toro
Format: Article
Language:English
Published: Elsevier 2008-01-01
Series:Animal
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S175173110800205X
Description
Summary:In this note, a procedure to partition the genetic trend of a selected population is presented. Each part of the genetic gain accounts for the Mendelian sampling terms of different groups of animals, which can be sometimes assigned to different selection policies. The method is based on a simple transformation of the predicted breeding values. The procedure was illustrated with two simulated examples. In the first example, the genetic trend is partitioned into two pieces, one coming from the selection on sires and the other coming from the selection on dams. The second example shows how the impact of an artificial insemination center in the genetic gain of the whole population can be evaluated.
ISSN:1751-7311