Reference |
Oven J. H., and H. L. Blankenship. 1993. Benign recovery of coded wire tags from rainbow trout. North American Journal of Fisheries Management 13:852-855. |
Abstract |
Abstract--Rainbow trout Oncorhynchus mykiss were tagged with coded wire tags (CWT) in transparent postocular tissues, dorsal fins, and adipose fins, and were later checked for tag visibility, retention, and benign recoverability. At 266 d after implantation, tags were removed from postocular tissue and adipose fins without apparent harm to the fish. Dorsal tags were removed after 106 d. Fish ranged from 90 mm to 165 mm total length at time of tagging. Tag retention was 96% in post-ocular tissue and 99% in adipose fins after 238 d and was 97% in dorsal fins after 106 d. Postocular and dorsal fin tags were removed with a magnetized scalpel or modified syringe. Adipose fin tags were removed with a biopsy punch. Benign recovery of CWT appears to be helpful when it is desirable to keep fish alive. |
Tag |
Coded Wire Tag (CWT) |
Objective |
Evaluate tags |
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