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Exploration behaviour and flight response toward a stimulus in three sea bass strains (Dicentrarchus labrax L.) 5
Millot, Sandie; Begout, Marie-laure; Chatain, Beatrice.
Domestication and selection may affect fish behaviour, sometime as soon as at the first generation of domestication. However, knowledge about how both processes impact on fish spatial exploration and swimming activity still is to be improved. The objective of this experiment was (i) to evaluate spatial exploration behaviour and swimming activities of three sea bass strains having different domestication and selection levels and (ii) to analyse their responses to an acute stress. Sea bass exploration and swimming activities were studied before, during and 40 min after a stimulation (standardized fall of an object). The experimental tank was divided in to four zones, and the time spent, the distance travelled in each zone and the swimming complexity were...
Tipo: Text Palavras-chave: Thigmotaxis; Risk assessment; Danger avoidance; Swimming activity; Personality; Selection; Domestication.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6458.pdf
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Thigmotactic responses in an open-field 56
Lamprea,M.R.; Cardenas,F.P.; Setem,J; Morato,S..
The goal of the present study was to investigate the role of thigmotaxis (the tendency to remain close to vertical surfaces) in rat exploratory behavior in an open-field. Thigmotaxis was investigated in a parametric way, using 24 experimentally adult naive male Wistar rats (210-230 g). Exploratory behavior was studied in an open-field (N = 12) in 5-min sessions and behavior was analyzed in terms of where it occurred: in areas surrounded by two, one, or no walls. Another group of rats (N = 12) was studied in an open-field with blocks placed near two of the corners so as to make these corner areas surrounded by three walls. The floor of the open-fields was divided into 20-cm squares in order to locate the exact place of occurrence of each behavior. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Exploratory behavior; Thigmotaxis; Open-field; Rearing behavior; Grooming; Locomotion.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008000200010
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