| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for efficiently carrying and preserving caught fishes in a state maintaining the freshness and qualities so as to serve consumers with live fishes in a state soon after fished. SOLUTION: A fish 10 is scooped from a water tank and subsequently laid on a worktable. Then, a vertebra 1 near a medulla oblongata 11 of the fish 10 is thrust with the tip of a tool 6 by thrusting a position near the upper end of an operculm 21 with the tool 6 of needle type having a sharp tip, which position is the vicinity of a sideline 5 of the fish or the vicinity on a extension line of the sideline and outer than the operculum 21. It is necessary to take care so that the medulla oblongata 11 is not damaged. When thrusting with the tool 6, the fish 10 may be temporarily stupefied with low frequency electric current to prevent from lashing in thrusting to treat the vertebra. COPYRIGHT: (C)2005,JPO&NCIPI
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