CALMING LANDING METHOD

PROBLEM TO BE SOLVED: To provide a calming landing method capable of surely calming fish without causing spine damage and internal bleeding, when collectively landing a plurality of fish with spines in the seawater.SOLUTION: Provided is a calming landing method for landing a plurality of fish 2 with...

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Bibliographische Detailangaben
Hauptverfasser: KUMAZAWA YASUO, KIMURA IKUO, ITO SHO, IKEDA REIJI
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a calming landing method capable of surely calming fish without causing spine damage and internal bleeding, when collectively landing a plurality of fish with spines in the seawater.SOLUTION: Provided is a calming landing method for landing a plurality of fish 2 with spines from under the sea by using a landing net 10, which includes: collectively scooping the plurality of fish with spines from under the sea by using the landing net; taking out all the fish from under the sea to the air and thereafter, applying electricity to all the fish through the seawater adhered on body surfaces of the fish by supplying power to a bipolar electrode 20 arranged on the landing net, and electrifying and calming the fish to such an extent that spines are not damaged; and taking out the fish in a calmed state from the landing net and delivering the fish to the next process.SELECTED DRAWING: Figure 1 【課題】海水中の脊椎を有する複数の魚を纏めて水揚げする際に、脊椎の折損や内出血を発生させることなく確実に鎮静化することができる鎮静水揚げ方法を提供すること。【解決手段】水揚げ用網10をもって海中より脊椎を有する複数の魚2を纏めて水揚げする鎮静水揚げ方法において、水揚げ用網をもって海中より脊椎を有する複数の魚を纏めて掬い揚げ、全部の魚が海中から空中に取り出された後に、水揚げ用網に設置された2極の電極20に通電して全部の魚に当該魚の体表面に付着している海水を通して通電して、当該魚を脊椎が損傷しない程度に感電させて鎮静化させ、その後水揚げ用網から鎮静化状態の魚を次工程に供出すること。【選択図】 図1