Response of captive seabass and seabream as behavioural indicator in aquaculture

Gianluca Sara', Pais, Meloni, Gianluca Sarà, Serra

Risultato della ricerca: Articlepeer review

2 Citazioni (Scopus)

Abstract

Welfare of cultivate fish at high-density represents an important concern for modern aquaculture. The behaviour of European seabass (Dicentrarchus labrax) and seabream (Sparus aurata) reared in cages was studied in a fish farm of northern Sardinia (Italy) in autumn 2006 to test whether captive condition had an effect on the movement patterns of these two species. Video images recorded before, during and after the manual feeding distribution allowed us to collect data on different behaviours of captive fish. Thus, behaviours indicating the position of fish in the water column, swimming direction and possible aggressive behaviours (aggression, direction change and collision) showed juveniles and adults of seabass and seabream were overall affected by feeding rhythms and captive overcrowding. Seabream had a major tendency to swim towards the bottom and higher frequency of horizontal swimming and collisions than seabass. The overall behavioural difference between two species was explained in terms of their differences in ecological features in the wild.
Lingua originaleEnglish
pagine (da-a)823-825
Numero di pagine3
RivistaItalian Journal of Animal Science
Volume6
Stato di pubblicazionePublished - 2007

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology

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