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. 2020 Sep 11;11:866. doi: 10.3389/fgene.2020.00866

FIGURE 1.

FIGURE 1

Rate of genetic gain (ΔG; mean of 100 replicates ± standard error) of different genotyping scenarios for 200 fish in C: random genotyping (C_Random); selection of the phenotypically best and worst fish from each sample of 20 fish (C_T1_1B1_1); selection of fish from one of the two top fish and one of the two bottom fish, where the top and bottom fish were the best and worst fish, respectively, from each sample of 20 fish (C_T1_2B1_2); and selection of the phenotypically best fish from each sample of 20 fish (C_Top1_1). The scenarios assumed genetic correlations (rg) between the trait measured in B and C of 0.2, 0.5, and 0.8 and heritability of the trait of 0.1 and 0.3. The scenarios used selective genotyping of top fish for selection candidates in B, and 100% of selected females were kept in 2 consecutive years. C, commercial environment; B, breeding environment.