Effects of quinaldine and water temperature reducing during transportation on stress responses in broodstock 4 marine fish species
1997
Vichai Vatanakul | Renu Yashiro | Pisanu Na-anan (Department of Fisheries, Bangkok (Thailand). Songkhla National Inst. of Coastal Aquaculture)
Transportation of spawner of four marine fish species including grouper (Epinephelus coioides), seabass (Lates calcarifer), John's snapper (Lutjanus johnii) and red snapper (Lutjanus argentimaculatus) rapidly induced plasma cortisol and glucose concentration within 10-30 min. The elevation were transient and plasma level of cortisol and glucoss concentration returned to baseline within 1-2 days after transportation. Plasma Na+, K+ and Ca++ concentration were also changed during transportation. Anesthesia with quinaldine and low temperature (25 deg C) prior to capture in the transportation tanks, decreased the stress responses. These results suggested that acute exposure to immobilizing doses of anesthetic is an effective method for reducing endocrine and metabolic disturbances during transportation of these 4 marine fish species.
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