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Définition d'un modèle d'élevage larvaire intensif pour la daurade Sparus auratus ArchiMer
Ounais-guschemann, Nadia.
This study defines rearing parameters for mass products of 30-day old post larvae. Continuous lighting (600 lux) optimizes the predatory activity and suppresses the feeding rhythm. For 4-5 mm larvae (15 days), food ingestion slows down if the prey concentration in the tank is below 5 rotifers/ml, while there is no such threshold for 6-7 mm larvae (22 days). The rotifer Brachionus plicatilis , between 100 and 200 mu m, is an adequate initial prey, it can be replaced by Artemia salina for 7-8 mm larvae (30 days). It is observed that free amino acids and essential fatty acids contents have a prominent role in larvae growth; docosahexaenoic acid (C22:6n-3) content could be determined. Finally, the development of the swim bladder is facilitated by the renewal...
Tipo: Text Palavras-chave: Sparus auratus; Pisces; Marine fish; Environmental diseases; Fatty acids; Amino acids; Controlled conditions; Juveniles; Culture tanks; Growth; Light effects; Nutritional requirements; Fish larvae; Syndrome de paroi; Nutrition; Alimentation; Lumière; Inflation primaire de la vessie natatoire; Sparus auratus; Elevage larvaire intensif; Poisson.
Ano: 1989 URL: http://archimer.ifremer.fr/doc/1989/these-1679.pdf
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Méthodes rapides de détection de Vibrio cholerae O1 dans l'environnement aquatique OceanDocs
Adingra, A.A.; Kouassi, A.M.; Lowenhaupt, E..
La microscopie directe par immunofluorescence et le SMART test permettent une détection plus spécifique et sensible pour les pathogènes de l'homme dans les échantillons naturels. Les bactéries cultivables et non cultivables peuvent être observées et énumérées rapidement et facilement.
Tipo: Journal Contribution Palavras-chave: Aquatic environment; Environmental diseases; Pathogenic bacteria.
Ano: 2010 URL: http://hdl.handle.net/1834/5766
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