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Cold tolerance of the banana prawn Penaeus merguiensis de man and its growth at different temperatures

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Hoang, T., Lee, S.Y., Keenan, C. P. and Marsden, G. E. (2002) Cold tolerance of the banana prawn Penaeus merguiensis de man and its growth at different temperatures. Aquaculture Research, 33 (1). pp. 21-26. ISSN 1355-557X

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Article Link: https://doi.org/10.1046/j.1355-557X.2001.00638.x

Abstract

Critical thermal minima (CTMin) were determined for subadults of Penaeus merguiensis acclimated at 15, 18, 21 and 24 °C for 3 weeks. The effect of cooling rate on CTMin was also investigated. The CTMin of prawns from these respective acclimation groups were 5.3, 6.0, 7.4, 9.0 and 4.7, 5.4, 6.0, 7.3 °C at the cooling rate of 1 °C h−1 and 3 °C h−1 respectively. Both acclimation temperature and cooling rate had a significant effect (P < 0.01) on the CTMin. Observation during the acclimation period showed that the growth rate of prawns acclimated at 24 °C was much higher than those acclimated at 21, 18 and 15 °C. The results indicate that P. merguiensis can overwinter in aquaculture ponds in south-east Queensland, Australia, or other subtropical areas and attain good growth if simple overwintering facilities are available.

Item Type:Article
Subjects:Aquaculture and Fisheries > Aquaculture > Shellfish culture
Live Archive:12 Jan 2024 02:06
Last Modified:12 Jan 2024 02:06

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