期刊
JOURNAL OF BIOSCIENCES
卷 36, 期 5, 页码 851-855出版社
INDIAN ACAD SCIENCES
DOI: 10.1007/s12038-011-9111-4
关键词
Behavioural coping style; feeding behaviour; opercular beat rate; respiration; stress
类别
资金
- CNPq - Conselho Nacional de Desenvolvimento Cientifico e Tecnologico - 'National Counsel of Technological and Scientific Development' Brazil [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.
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