Consulta: creatorFacets:"Roue, M"
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Data/hora: 13/06/2024 04:35:35

Feed demand behavior in sea bass juveniles: Effects on individual specific growth rate variation and health (inter-individual and inter-group variation)
Provedor de dados: 5
Autores: Millot, Sandie; Begout, Marie-laure; Person, Jeannine; Breuil, Gilles; Di Poi, C; Fievet, Julie; Pineau, Philippe; Roue, M; Severe, Armelle.
Feeding motivation is one major indicator of fish welfare and an investigation on the link between feed demand, growth and physiological variables in sea bass juveniles was developed. A computerized on-demand feeding system coupled with a PIT tag monitoring device was used to continuously record for 219 days the triggering activity of 150 individuals (initial average body weight 131.6 +/- 1.80 g and coefficient of variation 16.8%). Each group was held in 400 1 tanks at 22.2 +/- 1.5 degrees C and light regime was 16:8 LD. In all the tanks, 89% of the fish actuated the trigger, but only two or three fish accounted for 45% of the total triggering activity. These few high-triggering individuals had a transient higher growth i.e. at the time an individual was...
Tipo: Text
Palavras-chave: Welfare; Social interaction; Growth; Feeding activity.
Ano: 2008
URL: http://archimer.ifremer.fr/doc/2008/publication-3738.pdf