Main diseases of pejerrey (Odontesthes bonariensis) in central Argentina

Pesquisa Veterinária Brasileira

M. Mancini²  C. Rodriguez²  C. Prosperi¹  V. Salinas²  C. Bucco¹ 

[1] ,Universidad Nacional de Río Cuarto Facultad de Agronomía y Veterinaria Río Cuarto,Argentina

关键词: Odontesthes bonariensis;    fish diseases;    pathological agents;    water quality;    Odontesthes bonariensis;    doenças de peixes;    agentes patológicos;    qualidade da água;   

DOI  :  10.1590/S0100-736X2006000400004

来源: SciELO

【 摘 要 】

Argentina's central region includes an important area covered by shallow pampean lakes and dams. In these environments, fishing of pejerrey Odontesthes bonariensis Valenciennes, 1835 (Pisces, Atherinopsidae), the most important fresh-water fish of the country, is a relevant social activity and also a considerable economic resource. The main diseases found in this species were studied from 1992 to 2003 in the provinces of Córdoba, La Rioja and Santa Fe (30º and 35º S, 61º and 67º W). Most cases were registered in high temperature months. Lernaea sp and Aeromonas hydrophila were the etiological agents most frequently found. The trophic characteristics of the aquatic environments enhanced disease processes and caused massive death of O. bonariensis, due to complex hydrochemical interactions.

【 授权许可】

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