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Revista de biología marina y oceanografía
versión On-line ISSN 0718-1957
IBARRA-ZATARAIN, Zohar et al. The use of three anaesthetics for handling spotted rose snapper Lutjanus guttatus (Pisces, Lutjanidae) broodstock. Rev. biol. mar. oceanogr. [online]. 2011, vol.46, n.3, pp.471-476. ISSN 0718-1957. http://dx.doi.org/10.4067/S0718-19572011000300016.
Benzocaine, 2-phenoxyethanol and MS-222 were tested as anaesthetics for several handling procedures with spotted rose snapper Lutjanus guttatus broodstock. Significant differences in time for induction and recovery were found with specific doses, as well as a direct correlation between the dose and the induction time. Each procedure demanded specific anaesthesia levels where the stage of deep anaesthesia should not be surpassed. The most effective agent for inducing deep anaesthesia was MS-222, with the least amount of time required for induction and recovery when using 100 mg l-1. It was followed by 250 µl l-1 of 2-phenoxyethanol, which was less costly.
Palabras clave : Fish sedation; handling broodstock; Mexico.