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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Hermosilla, Consuelo | es_ES |
dc.contributor.author | Rocha, Francisco | es_ES |
dc.contributor.author | González, Ángel F. | es_ES |
dc.contributor.author | Guerra, Ángel | es_ES |
dc.contributor.author | Fiorito, Graziano | es_ES |
dc.date.accessioned | 2009-09-08T07:50:43Z | - |
dc.date.available | 2009-09-08T07:50:43Z | - |
dc.date.issued | 2009-09 | - |
dc.identifier.citation | Cephalopod International Advisory Council Symposium (2009) | es_ES |
dc.identifier.uri | http://hdl.handle.net/10261/16691 | - |
dc.description | Poster.-- Cephalopod International Advisory Council Symposium. Vigo (Spain), 3-11 September 2009 | es_ES |
dc.description.abstract | Daily periodicity of growth increments in stylets of Octopus vulgaris Cuvier 1797 was validated from known-age laboratory-raised specimens. Daily periodicity of growth increments was corroborated by staining the stylets either with oxytetracycline or tetracycline and comparing the number of rings produced with the elapsed days. A total of 19 individuals (10 males and 9 females, 680 to 1470 g body weight) were marked with oxyetracycline injections at Vigo (mean of 124 mg oxytetracycline per Kg of octopus) and 6 individuals (1 male and 5 females, 248 to 570 g body weight) were stained with tetracycline injections at Naples (mean of 120 mg/Kg). The animals were successfully maintained in captivity until sacrificed for up to 6 (1 specimen), 9 (1 specimen), 18 (6 specimens from Naples) and 21 (17 specimens) days. Transverse stylet sections were embedded in thermo-plastic resin and polished until a thin and translucent section was achieved. Several sections of each stylet were prepared and photographed. Increments were counted 3-5 times by two different readers. Increments counts for each stylet were analysed and outliers excluded using statistical methods. The number of increments counted was 18.9 ± 1.4 and 20.5 ± 1.5 days for 18 and 21 days specimens, respectively. Mean rate of increments formation was 1.02 increments per day (1 increment = 1 day). Photograph analysis corroborated the regular deposition pattern of stylet growth increments. Consequently, this study successfully validates daily increments deposition in stylets of Octopus vulgaris to the size range analysed | es_ES |
dc.description.sponsorship | This research was supported by ECOSUMMER actions (European Union). C. Hermosilla has an early training ECOSUMMER (Marie Curie Action). F. Rocha is an Isidro Parga Pondal Researcher. | es_ES |
dc.format.extent | 90859 bytes | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | es_ES |
dc.rights | openAccess | es_ES |
dc.title | Age validation in common octopus, Octopus vulgaris using stylet increment analysis [Poster] | es_ES |
dc.type | póster de congreso | es_ES |
dc.description.peerreviewed | No | es_ES |
dc.relation.csic | Sí | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6670 | es_ES |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.openairetype | póster de congreso | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
Aparece en las colecciones: | (IIM) Comunicaciones congresos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
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Octopus_vulgaris_Press_release.pdf | CSIC Press release (Spanish lang.) | 44,08 kB | Adobe PDF | Visualizar/Abrir |
Age_validation_poster_2009.ppt | Poster | 3,49 MB | Microsoft Powerpoint | Visualizar/Abrir |
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