نتایج جستجو برای: breeding programs

تعداد نتایج: 251526  

2014
J. Hwang Yousry El-Kassaby Dag Lindgren Tomas Funda Steven Mckeand Ole K. Hansen

Traditional tree improvement programs start with deliberate phenotypic selection of candidate trees followed by rounds of recurrent selection characterized by cumulative incremental gain advancements. While effective, the process is elaborate, quantitatively oriented, and follows sophisticated breeding theories. Breeding and testing start with the selection of pre-determined mating designs, req...

2007
D. G. McLaren Oswald Avery Colin MacLeod

Building on a solid foundation of performance testing, quantitative genetics, and statistical estimation of breeding values; recent developments in pig line improvement programs have included the application of both major gene and marker genomics, and an increased focus on genotype by environment interactions and crossbred selection objectives. Additionally, selection objectives have broadened ...

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