Tetracycline marks visible in Baltic cod Gadus morhua otoliths stored for 40 years

Baltic cod Gadus morhua otoliths marked with oxytetracycline ( OTC ) in 1974–1975 had been sectioned and the sections stored in paper envelopes at room temperature in dry, dark conditions. After 40 years of storage, the historic OTC marks were still clearly visible showing that OTC is suitable for l...

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Bibliographic Details
Published in:Journal of Fish Biology
Main Authors: Krumme, U., Bingel, F.
Format: Article in Journal/Newspaper
Language:English
Published: Wiley 2016
Subjects:
Aquatic Science
Ecology, Evolution, Behavior and Systematics
Gadus morhua
Online Access:http://dx.doi.org/10.1111/jfb.13108
https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fjfb.13108
https://onlinelibrary.wiley.com/doi/pdf/10.1111/jfb.13108
Description
Summary:Baltic cod Gadus morhua otoliths marked with oxytetracycline ( OTC ) in 1974–1975 had been sectioned and the sections stored in paper envelopes at room temperature in dry, dark conditions. After 40 years of storage, the historic OTC marks were still clearly visible showing that OTC is suitable for long‐term chemical marking of otoliths. They were, however, noticeably paler than marks in recently recaptured and archived Baltic G. morhua otoliths, chemically tagged with tetracycline at similar dosage to the historic otoliths.

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