Parásitos y Lesiones Histopatológicas en Branquias de Gamitanas (Colossoma macropomum) Juveniles bajo Crianza Semiintensiva

L. Mario Vargas, C. Nieves Sandoval, A. Eva Casas, P. Gloria Pizango, S. Alberto Manchego

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

4 Citas (Scopus)

Resumen

The aim of this study was to determine the type and frequency of parasites in gamitana gills (Colossoma macropomum) and to describe the associated histopathological lesions. Thirty specimens were taken from a fish farm in Iquitos, Peru. The left branchial arches were placed in Petri dishes with distilled water to observe the presence of parasites and the right arches were fixed with formalin 5% for histopathological studies. Besides, water quality of the pond was analyzed. Three types of ectoparasites were identified: monogeneans, members of the Family Dactylogyridae, Subfamilies Anacanthorinae and Ancyrocephalinae (100%, 30/30), ones protozoan, member of the Family Oodinidae, genus Piscinoodinium (36.7%, 11/30), and one arthropod, member of the Class Maxillopoda, Sub-class Copepoda (20%, 6/30). Among the histopathological lesions, the most common were inflammatory disorders: presence of eosinophilic granule cells (100%), and adaptation disorders: epithelial hyperplasia (96.7%), lamellar fusion (80%) and lamellar atrophy (60%). Moreover, dissolved oxygen was close to lethal levels, pH was acid and CO2 were outside the expected range.

Título traducido de la contribuciónParasites and histopathological lesions in gills of juvenile gamitana (colossoma macropomum) raised in semi-intensive farming
Idioma originalEspañol
Páginas (desde-hasta)577-586
Número de páginas10
PublicaciónRevista de Investigaciones Veterinarias del Peru
Volumen26
N.º4
DOI
EstadoPublicada - 2015

Nota bibliográfica

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Palabras clave

  • Colossoma macropomum
  • Copepod
  • Gamitana
  • Gill ectoparasites
  • Monogenean
  • Piscinoodinium

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