The efficacy of clove oil as an anaesthetic for channel catfish (Ictalurus punctatus Raf.)
2009
Zaikov, A., Institute of Fisheries and Aquaculture, Plovdiv (Bulgaria) | Iliev, I., Institute of Fisheries and Aquaculture, Plovdiv (Bulgaria) | Hubenova, T., Institute of Fisheries and Aquaculture, Plovdiv (Bulgaria)
The aim of this study was to determine the efficient concentrations for anesthetization and the time for recovery of two-summer-old channel catfish, when clove oil is applied as anesthetic. The experiments for studying the effect of clove oil on channel catfish (Ictalurus punctatus Raf.) were carried out under controlled laboratory conditions in the net cage farm of Ovtcharitsa dam lake. The anesthetic effect of clove oil was tested at water temperature of 15 deg C for 10 min. Three concentrations were experimentally tested, as follows: 0.02 ml/l, 0.04 ml/l, and 0.06 ml/l. The concentration of 0.02 ml/l has a sedative effect and leads only to disruption of the equilibrium of the catfish but not to loss of reactivity. At a concentration of 0.04 ml/l 90% of the fish are completely immobilized, which does not guarantee the induction of anesthesia on all fish during manipulations. The best expressed anesthetic effect of all concentrations tested, has the concentration of 0.06 ml/l, at which the fish are immobilized in 3 min at an average, and recover in 3.24 min.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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