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http://hdl.handle.net/10532/2015| Title: | Supervivencia en cautividad de distintos lotes de reproductores de trucha común autóctona aragonesa |
| Other Titles: | Survival of different native Mediterranean brown trout strains in hatchery |
| Authors: | Mitjana Nerín, Olga María Clavero, J.L. Alabart Alvarez, José Luis Blasco Martínez, José María Josa, A. Espinosa, E. |
| Issue Date: | 2011 |
| Citation: | Mitjana, O., Clavero, J.L., Alabart, J.L., Blasco, J.M., Josa, A., Espinosa, E. “Supervivencia en cautividad de distintos lotes de reproductores de trucha común autóctona aragonesa”. En: 41 Jornadas de Estudio. XIV Jornadas sobre Producción Animal. AIDA. Zaragoza, España, 17 y 18 de mayo de 2011, pp. 127-129. ISBN: 978-84-615-0062-8 |
| Abstract: | Native wild brown trout populations from several rivers in Aragon (Spain) have been selected for artificial stocking in hatcheries. These genetically pure populations were introduced in a hatchery in Planduviar (Huesca), in which exhaustive monitoring of adaptation was performed. These native trouts died immediately after reproduction. The subsequent derived native generations showed high mortality rates, most dying before 3 years, and never reaching five years of age. The high mortality was mostly associated to stress derived handling during breeding season. In addition to the potential loss of essential adaptative genes, these results seriously question the interest of maintaining native brown trout lines for artificial stocking |
| URI: | http://hdl.handle.net/10532/2015 |
| Appears in Collections: | [DOCIART] Artículos científicos, técnicos y divulgativos |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 2011_169.pdf | 284,38 kB | Adobe PDF |  View/Open |
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