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Millot, Sandie; Nilsson, Jonatan; Fosseidengen, Jan Erik; Begout, Marie-laure; Kristiansen, Tore. |
Among other applications, self-feeding has been used to study food preferences in fish allowing them to choose between feeders with different food content. Preference tests assume that (i) trigger actuations are motivated by appetite, (ii) fish can learn which feeder contains which food and discriminate between feeders solely on the basis of their content, and (iii) in groups of fish, the triggering preferences is representative for the individuals of the group. We studied individual triggering behaviour in four groups of 14 Atlantic cod (length of 34 +/- 2 cm, weight of 424 +/- 102 g, mean +/- SE, water temperature comprised between 7-8 degrees C) that were first given the choice between two self-feeders with identical content (Period 1 of 14 days) and... |
Tipo: Text |
Palavras-chave: Learning; Self-feeding; Social status; Behaviour; Coping abilities; Gadidae. |
Ano: 2012 |
URL: http://archimer.ifremer.fr/doc/00116/22754/20605.pdf |
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