NR ZEJU

AU Waterstraat,P.R.

TI Induction and Recovery from Anesthesia in Channel Catfish Ictalurus punctatus Fingerlings Exposed to Clove Oil

QU Journal of the World Aquaculture Society 1999; 30(2): 250-255

PT journal article

AB The use of clove oil as an anesthetic for channel catfish Ictalurus punctatus fingerlings was examined. At 100 mg/L, clove oil induced anesthesia within 1 min following exposure. Fish recovered from a 10-min period of anesthesia in 100 mg/L clove oil within 4 min following removal from the anesthetic solution. At clove oil concentrations of 150 mg/L or greater, recovery times were prolonged, requiring longer thatn 10 min for recovery. At 300 mg/L, mortality was observed with half of the catfish fingerlings failing to recover from the 10-min exposure. Fish could be safely maintained in 100 mg/L clove oil for periods of up to 15 min; exposure for longer than 15 min produced both prolonged recovery times and mortality. At a concentration of 100 mg/L clove oil produced responses similar t5o those of the commonly used fish anesthetic MS-222. The low cost of clove oil relative to MS-222 and the extensive testing and use of clove oil in dentistry and as a food ingredient make clove oil an attractive candidate as a fish anesthetic.

SP englisch

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