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Observations on Monosex Culture of Redclaw Crayfish Cherax quadricarinatus von Martens (Decapoda: Parastacidae) in Earthen Ponds

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Curtis, M. C. and Jones, C. M. (1995) Observations on Monosex Culture of Redclaw Crayfish Cherax quadricarinatus von Martens (Decapoda: Parastacidae) in Earthen Ponds. Journal of the World Aquaculture Society, 26 (2). pp. 154-159. ISSN 1749-7345

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Article Link: https://doi.org/10.1111/j.1749-7345.1995.tb00238.x

Abstract

Manual sexing of redclaw crayfish Cherar quadricurinatus was undertaken to evaluate the feasibility of monosex culture and to establish growth and yield characteristics of single sex populations. Although the all-male population exhibited greater mean weight after 10 mo of growout, all-female and mixed sex populations achieved greater total yields due to significant juvenile recruitment. Commercial cultivation of all-male populations would be advantageous as in-pond reproduction is greatly abated, growth is superior and marketable yield is higher. Apparent sexual lability of juveniles combined with the laborious nature of manual sexing may render manual sexing unsuitable for commercial applications.

Item Type:Article
Keywords:Astacoidea; Cheraz quadricarinatus; Parastacidae; Decapoda; monosex culture; redclaw crayfish; sexing
Subjects:Aquaculture and Fisheries > Fisheries > Fishery research
Aquaculture and Fisheries > Aquaculture > Shellfish culture
Live Archive:16 Feb 2024 00:06
Last Modified:16 Feb 2024 00:06

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