Aggregata octopiana (Protista a picomplexa) a dangerous pathogen during commercial Octopus vulgaris ongrowing / Gestal, Camino

Public ISBD Faire une suggestion d'achat Titre : Aggregata octopiana (Protista a picomplexa) a dangerous pathogen during commercial Octopus vulgaris ongrowing Type de document : texte imprimé Auteurs : Gestal, Camino, Auteur Importance : pp. 1743-1748 Langues : Anglais (eng) Index. décimale : 508 Voyages et relevés scientifiques. Histoire naturelle Résumé : The haemolymph parameters for Octopus vulgaris and the condition index at molecular level were analysed using RNA/DNA and RNA/protein ratios on animals reared in floating cage systems and naturally infected by the coccidian Aggregate octopiana. Statistical analysis showed that as A. octopiana infection increased, there was a decrease in most inorganic elements and/or in hae-mocyte concentrations in cellular and/or plasma fractions. Also, the protein concentrations in the haemolymph plasma fraction dropped significantly as the coccidian infection increased. Results suggest that the severity of the infection by A. octopiana is a limiting factor during commercial ongrowing of the common octopus, at least in floating cage systems. Control measurements are needed in aquaculture to avoid this environmental stressor. Aggregata octopiana (Protista a picomplexa) a dangerous pathogen during commercial Octopus vulgaris ongrowing [texte imprimé] / Gestal, Camino, Auteur . - [s.d.] . - pp. 1743-1748. Langues : Anglais (eng) Index. décimale : 508 Voyages et relevés scientifiques. Histoire naturelle Résumé : The haemolymph parameters for Octopus vulgaris and the condition index at molecular level were analysed using RNA/DNA and RNA/protein ratios on animals reared in floating cage systems and naturally infected by the coccidian Aggregate octopiana. Statistical analysis showed that as A. octopiana infection increased, there was a decrease in most inorganic elements and/or in hae-mocyte concentrations in cellular and/or plasma fractions. Also, the protein concentrations in the haemolymph plasma fraction dropped significantly as the coccidian infection increased. Results suggest that the severity of the infection by A. octopiana is a limiting factor during commercial ongrowing of the common octopus, at least in floating cage systems. Control measurements are needed in aquaculture to avoid this environmental stressor.

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