期刊
ITALIAN JOURNAL OF ANIMAL SCIENCE
卷 6, 期 -, 页码 795-796出版社
TAYLOR & FRANCIS LTD
DOI: 10.4081/ijas.2007.1s.795
关键词
simulation; fish; optimum contribution; annealing algorithm
资金
- Biotechnology and Biological Sciences Research Council [BBS/E/R/00000673] Funding Source: researchfish
The optimal contribution selection method and the simulated annealing algorithm were used to maximize the genetic gain and reduce inbreeding in fish breeding populations. This study considered the following mating designs: full factorial (3 x 3); full factorial (6 x 6) and nested (6 males x 18 females). A quantitative trait based on a strictly additive and polygenic model was simulated. Two levels for the number of genotyped offspring (360 or 720) and three levels of heritability (0.1; 0.3; 0.5) were assumed. The best results in terms of Delta F and Delta G were obtained with the full factorial design (6 x 6) and considering a trait with a high heritability. The optimal family size was found at 20 fish per mating.
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