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Heritability of reproductive traits and genetic correlations with growth in the black tiger prawn Penaeus monodon reared in tanks

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Macbeth, M., Kenway, M., Salmon, M., Benzie, J., Knibb, W. and Wilson, K. (2007) Heritability of reproductive traits and genetic correlations with growth in the black tiger prawn Penaeus monodon reared in tanks. Aquaculture, 270 (1-4). pp. 51-56.

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Article Link: http://dx.doi.org/10.1016/j.aquaculture.2007.03.01...

Publisher URL: http://www.elsevier.com

Abstract

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).

Item Type:Article
Corporate Creators:Animal Science
Additional Information:© Elsevier B.V.
Keywords:Genetic correlations; growth; heritability; Penaeus monodon; reproduction.
Subjects:Aquaculture and Fisheries > Aquaculture
Aquaculture and Fisheries > Fisheries > Fishery research
Science > Biology > Reproduction
Aquaculture and Fisheries > Fisheries > Shellfish fisheries
Live Archive:25 Feb 2009 05:16
Last Modified:03 Sep 2021 16:47

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