Exploring the relationship between stress coping styles and sex, origin and reproductive success, in Senegalese sole (Solea senegalensis) breeders in captivity
Visualitza/Obre
Autor/a
Ibarra-Zatarain, Z.
Martín, I.
Rasines, I.
Fatsini, E.
Rey, S.
Chereguini, O.
Duncan, N.
Data de publicació
2020-03-13ISSN
0031-9384
Resum
Individual animals commonly adopt different stress coping styles that have been shown to impact reproductive success and differ between sexes (female/male) and origin (wild/hatchery). Hatchery reared Senegalese sole (Solea senegalensis) exhibit a behavioural reproductive dysfunction and a complete failure to spawn viable eggs. Hence, the present study examined whether 1) reproductive success of Senegalese sole was linked to coping styles and 2) behavioural differences exist in relation to sex or origin. A total of 198 breeders held in two research institutions were submitted to three individual tests (restraining, new environment and confinement) and one grouping test (risk taking). In addition, a blood sample to quantify cortisol, glucose and lactate levels was obtained from each individual after completing the individual tests. Senegalese sole breeders showed individual differences in behaviour across the different behavioural tests that were consistent with proactive and reactive coping styles traits. However, the most striking result was that reproductive success, sex and origin of Senegalese sole was not biased to any specific coping style. Indeed, the behavioural responses were similar and consistent between fish grouped by reproductive success, sex and origin. This study presented information that contrasts with different studies on dominant aggressive species and indicated that social non-aggressive species such as Senegalese sole follow a cooperative strategy that favours equal opportunities between stress coping styles and sexes. Therefore, results suggest that maintaining both coping styles strategies are fundamental for a sustainable breeder population approach.
Tipus de document
Article
Versió del document
Versió acceptada
Llengua
English
Matèries (CDU)
63 - Agricultura. Silvicultura. Zootècnia. Caça. Pesca
Pàgines
32
Publicat per
Elsevier
Publicat a
Physiology and Behavior
Citació
Ibarra-Zatarain, Z., I. Martín, I. Rasines, E. Fatsini, S. Rey, O. Chereguini, and N. Duncan. 2020. "Exploring The Relationship Between Stress Coping Styles And Sex, Origin And Reproductive Success, In Senegalese Sole (Solea Senegalensis) Breeders In Captivity". Physiology & Behavior 220: 112868. Elsevier BV. doi:10.1016/j.physbeh.2020.112868.
Número de l'acord de la subvenció
INIA-FEDER/Programa Nacional de Proyectos de Investigación Fundamental/RTA2011-00050-00-00/ES/Caracterización de los perfiles de comportamiento (estilos de afrontamiento al estrés) y su impacto en el éxito reproductivo del lenguado senegalés (Solea senegalensis)/
Programa
Aqüicultura
Aquest element apareix en la col·lecció o col·leccions següent(s)
- ARTICLES CIENTÍFICS [2811]
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