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- Ventilation rates indicate stress-coping styles in Nile tilapia
- Universidade Estadual Paulista (UNESP)
- Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
- CNPq: 307380/2009-2
- Behavioural responses to stress can form distinct profiles in a wide range of animals: proactive and reactive profiles or coping styles. Stress responsiveness can also differentiate between the behavioural profiles. The tendency to regain feed intake following transfer to a novel social-isolation tank (the speed of acclimation) can discriminate between proactive or reactive profiles. Consequently, differential stress responsiveness can be linked to this feeding behaviour trait. This study shows that ventilation rates of Nile tilapia, Oreochromis niloticus (L.), correlate with the rate of feeding resumption, following transfer to a novel social-isolation aquarium. Therefore, ventilation rate (VR) indicates coping styles; consequently, VR is a proxy for the way fish will deal with environmental challenges.
- Journal of Biosciences. Bangalore: Indian Acad Sciences, v. 36, n. 5, p. 851-855, 2011.
- Indian Acad Sciences
- Behavioural coping style
- feeding behaviour
- opercular beat rate
- Acesso restrito
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