Growth of the Eurasian perch (Perca fluviatilis L.) reared in floating cages and in water recirculated system: first results
Identifieur interne : 000640 ( Main/Exploration ); précédent : 000639; suivant : 000641Growth of the Eurasian perch (Perca fluviatilis L.) reared in floating cages and in water recirculated system: first results
Auteurs : Pascal Fontaine (biologiste) [France] ; L. Tamazouzt [France] ; B. Capdeville [France]Source :
- Journal of Applied Ichthyology [ 0175-8659 ] ; 1996-12.
Abstract
For 8 weeks, perch (22–25 g) were reared in a water recirculated system (WRS) and in floating cages (FC), and fed with an artificial food for trout. These two culture systems resulted in similar specific growth rates (1.1–1.4%/day). However, at 4% feeding rate, WRS ensured higher survival rates (90–100 %) vs. FC (70–80%), better food conversion indices (3.0 vs 4.1) and lower growth variability. WRS appeared more adapted to raise perch than FC. Nevertheless, sexual growth dimorphism in favour of females existed in WRS with restricted feeding rate (2 % body weight per day). Likewise, this preliminary study suggested an effect of the rearing system on the perch body composition.
Url:
DOI: 10.1111/j.1439-0426.1996.tb00086.x
Affiliations:
- France
- Grand Est, Lorraine (région)
- Lindre Basse, Nancy, Vandœuvre-lès-Nancy
- Animal et fonctionnalités des produits animaux (UR), Institut national de la recherche agronomique, Université Henri Poincaré, Université de Lorraine
Links toward previous steps (curation, corpus...)
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Le document en format XML
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These two culture systems resulted in similar specific growth rates (1.1–1.4%/day). However, at 4% feeding rate, WRS ensured higher survival rates (90–100 %) vs. FC (70–80%), better food conversion indices (3.0 vs 4.1) and lower growth variability. WRS appeared more adapted to raise perch than FC. Nevertheless, sexual growth dimorphism in favour of females existed in WRS with restricted feeding rate (2 % body weight per day). 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Tamazouzt</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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