Lerneosis en peces silvestres y cultivados del centro de Argentina

The genus Lernaea (Crustacea) comprises ectoparasitic copepods with worldwide distribution. Lernaea causes damage in the skin of fishes and facilitate secondary infections. In the present work, several outbreaks of lernaeosis in the central region of Argentina, the ichthyofauna involved and their ma...

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Autores principales: Mancini, M., Rodríguez, C., Ortiz, M., Salinas, V., Tanzola, Rubén Daniel
Formato: Articulo
Lenguaje:Español
Publicado: 2008
Materias:
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/67980
Aporte de:
id I19-R120-10915-67980
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Ciencias Naturales
Peces
Lernaea cyprinacea
Parásitos
spellingShingle Ciencias Naturales
Peces
Lernaea cyprinacea
Parásitos
Mancini, M.
Rodríguez, C.
Ortiz, M.
Salinas, V.
Tanzola, Rubén Daniel
Lerneosis en peces silvestres y cultivados del centro de Argentina
topic_facet Ciencias Naturales
Peces
Lernaea cyprinacea
Parásitos
description The genus Lernaea (Crustacea) comprises ectoparasitic copepods with worldwide distribution. Lernaea causes damage in the skin of fishes and facilitate secondary infections. In the present work, several outbreaks of lernaeosis in the central region of Argentina, the ichthyofauna involved and their main epidemiological features were assessed. In 41 cases from 1993 to 2006, 14 species from five provinces were affected. The fishes were either cultured or wild and ornamental or edible. The parasite was determined as Lernaea cyprinacea L. 1758. The intensity of infection was correlated with water temperature (rs= 0.71, P< 0.05). The prevalence was variable with maximum between 80.9 to 100% in Oligosarcus jenynsii and Cyprinus carpio, respectively. Odontesthes bonariensis, one of the most important continental fishing species in Argentina, was the most affected in the wild group (53.6% of the total outbreaks). However, the intensity of infection was low to median (≤ 7 parasites per host) in this species. In three situations analized, there were no significat differences in body condition of O. bonariensis between parasited and non-parasited (P> 0.05). Among the ornamental species, Carassius auratus had the most prevalence. In several outbreaks, L. cyprinacea was a part of a multiaetiological complex causing fish mortalities.
format Articulo
Articulo
author Mancini, M.
Rodríguez, C.
Ortiz, M.
Salinas, V.
Tanzola, Rubén Daniel
author_facet Mancini, M.
Rodríguez, C.
Ortiz, M.
Salinas, V.
Tanzola, Rubén Daniel
author_sort Mancini, M.
title Lerneosis en peces silvestres y cultivados del centro de Argentina
title_short Lerneosis en peces silvestres y cultivados del centro de Argentina
title_full Lerneosis en peces silvestres y cultivados del centro de Argentina
title_fullStr Lerneosis en peces silvestres y cultivados del centro de Argentina
title_full_unstemmed Lerneosis en peces silvestres y cultivados del centro de Argentina
title_sort lerneosis en peces silvestres y cultivados del centro de argentina
publishDate 2008
url http://sedici.unlp.edu.ar/handle/10915/67980
work_keys_str_mv AT mancinim lerneosisenpecessilvestresycultivadosdelcentrodeargentina
AT rodriguezc lerneosisenpecessilvestresycultivadosdelcentrodeargentina
AT ortizm lerneosisenpecessilvestresycultivadosdelcentrodeargentina
AT salinasv lerneosisenpecessilvestresycultivadosdelcentrodeargentina
AT tanzolarubendaniel lerneosisenpecessilvestresycultivadosdelcentrodeargentina
bdutipo_str Repositorios
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