Agonistic behaviour and feed efficiency in juvenile Nile tilapia Oreochromis niloticus

The main hypothesis of the present study was that an aggressive and dominant fish would eat more feed and would be more efficient. To test this hypothesis, estimations of the relationships between agonistic behaviour, growth and feed efficiency in Nile tilapia were calculated to attempt a clearer understanding of their effects on each other, and whether Nile tilapia displaying particular behaviours could be identified as growing faster, and if so whether they did so more efficiently or not.

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