The effect of temperature and pH on the growth and physiological response of juvenile yellowtail kingfish Seriola lalandi in recirculating aquaculture systems

Wout Abbink, Ainhoa Blanco Garcia, Jonathan A.C. Roques, Gavin J. Partridge, Kees Kloet, Oliver Schneider

Research output: Contribution to journalArticle

71 Citations (Scopus)

Abstract

A search for a viable new fish species for culture in recirculating aquaculture systems (RAS) in the Netherlands identified yellowtail kingfish Seriola lalandi as having excellent potential. To assist in determining the most appropriate water quality conditions for this species in RAS, the effect of water temperature (21, 23.5, 25, 26.5 and 29°C) and pH (6.58, 7.16 and 7.85) was tested in two separate experiments. Growth performance, feed conversion, stress-physiological and metabolic parameters were assessed in juvenile yellowtail kingfish grown in pilot-scale RAS. Growth was optimised at a water temperature of 26.5°C, in combination with maximum food intake and optimum food conversion ratio (FCR). Increasing temperature from 21°C to 26.5°C resulted in a 54% increase in the fish's final weight after 30. days. A water pH of 6.58 resulted in mortality and inhibited both growth and FCR due to physiological disruptions to which the fish could not adapt.

Original languageEnglish
Pages (from-to)130-135
Number of pages6
JournalAquaculture
Volume330-333
DOIs
Publication statusPublished - 17 Feb 2012
Externally publishedYes

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