Construction of selection index for selection of breeding dogs in Asia Guidedog Breeding Network

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  • アジア盲導犬繁殖ネットワークにおける繁殖犬選抜のための選抜指数の作成
  • アジア モウドウケン ハンショク ネットワーク ニ オケル ハンショクケン センバツ ノ タメ ノ センバツ シスウ ノ サクセイ

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Abstract

<p>Eight candidate selection indexes to achieve desired genetic gains in three traits, i.e., composure, concentration on handler and ability to control stress, were designed with the estimated quantitative genetic parameters from records (693 dogs) of the behavior assessment from 2015 to 2018 in the Asia Guidedog Breeding Network. The indexes were compared in terms of expected genetic gains in the three traits. An index to maximize the genetic gain in composure under constraint of a positive change in ability to control stress showed the most desirable performance to cope with negative genetic association between the two traits. Paper selection with estimated breeding values of dogs assessed their behavior in 2018 confirmed the favorable performance of this index.</p>

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