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Registros recuperados: 6
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Anomalies des coquilles d'huîtres creuses Crassostrea gigas observées sur le littoral français en mai-juin 1989 dues au ver Polydora et aux peintures antisalissures ArchiMer
Catherine, Martial; Blateau, Dominique; Mazurie, Joseph; Le Bec, Claude.
La recrudescence du ver Polydora dans les coquilles d'huîtres creuses observée dès l'été 1988 a pour principale conséquence le développement parfois très important de formations variqueuses et des chambres à vase à l'intérieur des huîtres, ce qui est très préjudiciable à leur qualité commerciale. Le bilan de l'infestation des coquilles d'huîtres par le ver Polydora sur le littoral normand et atlantique en mai et juin 1989 montre que les secteurs ostréicoles les plus touchés se situent à proximité de la Loire et de la Vilaine. Divers traitements des huîtres contre le Polydora sont possibles. Les meilleurs résultats sont obtenus par la combinaison de l'action de la saumure et d'un assec de 24 heures. L'examen du chambrage à gel colloïdal dans les huîtres...
Tipo: Text Palavras-chave: Polydora; Huîtres creuses; Chambrage; Galeries; Traitement; Peintures marines; TBT; Réglementation.
Ano: 1990 URL: http://archimer.ifremer.fr/doc/00104/21491/19072.pdf
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Essai de traitement du sédiment contre le vibrio P1, lors d'un demi-élevage de palourdes dans la zone des Abers. ArchiMer
Barret, Jean.
Different treatments aiming to cure the grounds, which bad been contaminated by the vibrio P1 "brown-ring", have been carried out on some sites of on-growing, taking place in the Aber Benoit, in Brittany. The tested products were Lime, and an antiseptic "Agroseptil" which positive effects are admitted in pisciculture. The results (growth, survival and the presence of brown-ring), do not point out any difference between the various treatments. However, it looks as if the brownring has appeared latter than on other clam-fields located in the same area.This effect does not seem to be due to the various treatments of the soils, but to the antibiotic  bath of the clams bef ore seeding.
Tipo: Text Palavras-chave: Palourde; Tapes philippinarum; Vibrio P1; Sédiment; Anneaux brun; Traitement; Antiseptique; Agroseptil; Chaux; Manila clam; Tapes philippinarum; Vibrio P1; Soil; Brown-ring; Treatments; Antiseptic; Agroseptil; Line.
Ano: 1992 URL: http://archimer.ifremer.fr/doc/00425/53673/54513.pdf
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Pathologie des invertébrés marins d'intérêt aquacole. Contribution et stratégies de recherches ArchiMer
Mialhe, Eric.
Les productions d'invertébrés sont prépondérantes en aquaculture marine qui est économiquement très importate pour un grand nombre de pays, notamment de la zone Sud. Cette activité est confrontée à de nombreux problèmes des pathologie qui remettent en cause sa périnnité et son développment. Jusque dans les années quatre-vingt, les travaux relatifs à la pathologie des mollusques et des crevettes ont essentiellement porté sur la description des agents pathogènes. La création en 1985 par l'ISTPM/IFREMER d'un laboratoire pourvu de tous les équipements nécessaires aux techniques de pathologie a permis de mettre en place un programme de recherches orienté vers le contrôle des maladies. Une double stratégie de travail a été alors défine pour apporter  à...
Tipo: Text Palavras-chave: Pathologie; Immmunologie; Génétique; Mollusque; Crevette; Diagnostic; Epidémiologie; Traitement; Sélection; Transformation génétique.
Ano: 1994 URL: http://archimer.ifremer.fr/doc/00443/55479/57009.pdf
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Suivi des opérations de nettoyage des bancs de crépidules (Crepidula fornicata), en mai 1995, sur le littoral de Fouras (Charente-Maritime) ArchiMer
Blanchard, Michel; Thomas, Gerard.
An experiment was carried out in order to look at the feasability of slipper-Iimpets removal in the area of Fouras (Charente-Maritime, France) between May, 9 - 12, 1995. A total of 150 tons were removed from oyster beds, boiled according to a dutch process and dropped in amarine dump near Aix Island. It was necessary to check the process efficiency as weil as the environmental quality. lFREMER measure data and observations before, during and after this experiment are the topics of concern. The process appears to be efficient and the discharge has no significant effect on the environment.
Tipo: Text Palavras-chave: Crépidule; Crepidula fornicata; Traitement; Fouras; Charente-Maritime; Slipper-limpet; Crepidula fornicata; Process; Fouras; Charente-Maritime; France.
Ano: 1998 URL: http://archimer.ifremer.fr/doc/00094/20511/18182.pdf
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Traitement des crevettes contre le noircissement .Mise au point d'une ligne de traitement ArchiMer
Chantreau, Patrick.
Once fished, the shrimps must be cooled quickly in water cooled in order to slow down all chemical and bacteriological activities. In addition, in order to avoid blackening (mélanose) shrimps (céphalothorax and legs) it is necessary to treat those with an antioxydant product. The product currently used to inhibit this enzymatic change is the soda niétabisuifite (Na-> S7 O5), until now, after being fished. the shrimps were directly soaked in a cooled water tank, containing the pesticide. The solution of treatment was progressively prepared needs. The concentration of this one was approximately 2 to 3% of métabisulfite, that is to say 6 to 9 G of SO2 per liter for a starting product containing 320 G of SO2 approximately. In order to preserve a good...
Tipo: Text Palavras-chave: New Caledonia; Blackening; Treatment; Penaeus stylirostris; Shrimp; Nouvelle Calédonie; Noircissement; Traitement; Penaeus stylirostris; Crevette.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/1991/rapport-1648.pdf
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Traitement des langoustines et des crevettes contre le noircissement ArchiMer
Chantreau, Patrick; Vallet, Jean-luc.
The conservation of crawfish requires the use of chemical substances making it possible to limit blackening. This phenomenon this blackening (melanine) is due to the coordinated action of three elements: - oxygen, - an enzyme (cupro-protein), - a suitable substrate, tyrosin or the dihydroxyphénylalanine. The absence of the one of them allows a notorious reduction in the phenomenon. Several antioxydant products, were used to prevent the formation of the mélanine. The métabisutfite of soda or potassium as well as soda bisulfite in acid solution, are currently used to treat crawfish and shrimps. Several methods of use of these pesticides exist, we propose in this report to present the principal ones, as well as the control methods making it possible to...
Tipo: Text Palavras-chave: Regulation; Sprinkling; Antioxydant; Technology; Treatment; Shrimp; Crawfish; Réglementation; Aspersion; Antioxydant; Technologie; Traitement; Crevette; Langoustine.
Ano: 1991 URL: http://archimer.ifremer.fr/doc/1991/rapport-1586.pdf
Registros recuperados: 6
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