Captive-reared broodstock of the black tiger prawn (Penaeus monodon) have exhibited poor reproductive performance limiting
attempts to domesticate this species. The potential for improved reproductive performance was assessed by determining heritabilities
of four measures of reproductive performance, their genetic correlations with each other and with growth rate and weight at age.
Heritability estimates (h2±S.E.) obtained from √ (days to spawn), √ (egg number), √ (nauplii number) and arcsin√ (proportion
hatched) were 0.47±0.15, 0.41±0.18, 0.27±0.16, and 0.18±0.16, respectively. Estimates of genetic correlations between
reproductive traits and weight at age, or growth rate were less than 0.5 except for √ (egg number) and weight at 54 weeks (0.93±0.19)
and √ (egg number) and 16–54-week growth (0.63±0.29).
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