Aquaculture et ichtyoparasitologie: action in vitro du Nitroxinil© (Antihelminthique) sur Diplectanum aequans , ectoparasite branchial du bar Dicentrarchus labrax

  • Silan, Patrick
  • Birgi, Emile
  • Louis, Christophe
  • Clota, Frédéric
  • Mathieu, André
  • Giral, Louis
Publication date
January 1996
Publisher
HAL CCSD

Abstract

International audienceThe sea bass Dicentrarchus labrax is subject to intensive rearing. Several monogeneans, gill ectoparasites with a direct biological cycle, parasitized this Teleostei. Under certain conditions of host density, populations of these platyhelminths can increase and consequently induce important mortality. It's especially the case of Diplectanum aequans, a monopisthocotylea against which no treatment is known. In vitro effects of nitroxinil© (or nitroxynil©), an anthelmintic, were investigated. Parasites were exposed to different concentrations bounded by 50 and 2 000 mg.l-1. Each Diplectanum has been submitted to a treatment during four hours, and successively displayed different behaviours. It can lose its spontaneous mob...

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