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Table 1 Estimates of additive genetic variance \( \left({\sigma}_a^2\right) \), residual variance \( \left({\sigma}_e^2\right) \), phenotypic variance \( \left({\sigma}_p^2\right) \) and heritability (h2) for resistance to A. hydrophila in pacu (P. mesopotamicus), measured as test survival (TS) and time of death (TD). Standard error in parenthesis

From: Development of a SNP linkage map and genome-wide association study for resistance to Aeromonas hydrophila in pacu (Piaractus mesopotamicus)

Variance components TS TD
\( {\sigma}_a^2 \) 0.25 (0.14) 0.82 × 106 (0.42 × 106)
\( {\sigma}_e^2 \) 1 0.15 × 107 (0.26 × 106)
\( {\sigma}_p^2 \) 1.25 (0.14) 0.23 × 107 (0.25 × 106)
h2 0.20 (0.09) 0.35 (0.15)