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One of limiting factors in shrimp culture is the mortality at the larval stage. Often bacterial diseases are suspected to be the origin of this damage. This work concerns the study of relations between microorganisms (bacteria and Vibrio) and peneids. Observations induced a new approach to bacteriol...
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In Argentina, especially in San Matias Gulf, oyster culture is a recent activity. Culture of native flat oyster, Ostrea puelchana (d'Orbigny, 1842), was particularly promising until an abnormal mortality occurred in 1996. Preliminary diagnosis, based on histology, revealed the presence of Bonamia-li...
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Sample-size calculations in the context of surveys aimed at substantiating freedom from infection have been commonly undertaken on terrestrial animals over recent years, but not on aquatic animals. A recent model developed by Audige and Beckett in 1999 can be used to plan and assess animal health su...
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The emergence of new vibriosis in the European Atlantic coasts has been associated with mass mortalities of molluscs causing important economic losses. For example, Vibrio carchariae, a bacteria already isolated from shark, has been associated with a severe Haliotis epizooty in hatchery. In oysters,...
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Since 1968, Marteilia refringens bas caused serious and recurrent mortalities in the European flat oyster (Ostrea edulis) and continues nowadays to cause high mortalities in the Atlantic coast of France. Under the EEC Council directive 91/67 this parasite is included in list 2 of Annex A. This list ...
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Original Abstract: Le protozoaire parasite Marteilia refringens est responsable d'importantes mortalites au sein des elevages d'huitres plates Ostrea edulis, et a participe a la disparition de 90% de la production depuis les annees 60. Une gestion optimale des risques de contamination des huitres pl...