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Self-feeding behaviour and personality traits in tilapia: a comparative study between Oreochromis niloticus and Sarotherodon melanotheron ArchiMer
Benhaim, David; Akian, Dieudonne; Ramos, Mathieu; Ferrari, Sebastien; Yao, Kouakou; Begout, Marie-laure.
Hybridization aims at combining valuable traits from two species into a single group. Nile tilapia Oreochromis niloticus (NT) and Black-chinned tilapia Sarotherodon melanotheron (BCT) are respectively characterized by fast growth and water salinity tolerance which attract the breeders who could take advantage of both species. The first step is to characterize both species behavior in different contexts. The aim of this study was to compare the self-feeding behaviour between NT and BCT with a design allowing to reveal individual and group feed demand behaviour and then to identify the individual specialization that builds around the device and the food dispenser. The second objective was to estimate the links between the individual specialization and...
Tipo: Text Palavras-chave: Boldness; Personality; Self-feeder; Individual specialization; Social structure.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00363/47419/47424.pdf
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