In-vitro mark for fish and mark gun thereof

The invention discloses an in-vitro mark for fish and a mark gun of the in-vitro mark. The mark comprises a U-shaped body made of plastic material; a pin is arranged at the inner side of one end of the U-shaped body, and a pin hole corresponding to the pin is arranged at the other end. The mark gun...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WANG CHONGRUI, LI HONG, LIAO FUCHU, XIANG YONGPING, SONG RUI, WU YUANAN, YUAN XIPING, LI CHUANWU, LIANG ZHIQIANG, HONG BO
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses an in-vitro mark for fish and a mark gun of the in-vitro mark. The mark comprises a U-shaped body made of plastic material; a pin is arranged at the inner side of one end of the U-shaped body, and a pin hole corresponding to the pin is arranged at the other end. The mark gun utilizes the mark; the pin on the mark can pass through fin rays on the fish body and is fixed in the pin hole on the U-shaped body to form an annular mark, which is firmly fixed on the base part of each fin ray just as a ring, and an opening of membrane between the fin rays is not increased so as to solve the problem that the mark easily falls off. Only the fin rays are marked; muscle of the fish body is not damaged; the fish death can be reduced, and the survival rate of the discharged fish can be ensured. Meanwhile, the quantity of the marks is large, so that a method for marking by the mark gun is fast; the marking time can be reduced, and the work efficiency can be improved.