Hematological and clinical chemistry changes induced by acute stress during handling and capture of catfish (Ictalurus punctatus)

Objetivo. Evaluar los efectos del estres agudo debido al manejo y captura sobre los parametros hematologicos y bioquimicos en bagre de canal (Ictalurus punctatus) bajo cultivo. Materiales y metodos. Los peces (200 g promedio) fueron mantenidos en tanques de cultivo y divididos en dos tratamientos, por duplicado, (n= 15 x 2 x 2 = 60 peces). Treinta bagres fueron expuestos por 5 min a estres agudo (TE) por manejo y captura, mientras que otro grupo no (grupo control, TnE). Diez peces de cada tratamiento fueron colectados a las 0, 6, y 24 h post-estres para la extraccion de sangre, los bagres del TnE fueron anestesiados durante su manejo y captura. Se evaluo el hemograma (metodo manual) y bioquimica sanguinea (espectrofotometria). Los resultados fueron analizados mediante la prueba de t student. Resultados. El contenido de eritrocitos, hematocrito, hemoglobina y glucosa de los animales TE fue significativamente mayor (p<0.05) a las 6 h post-estres en comparacion de TnE. Las celulas inmune en peces TE disminuyeron a las 6 y 24 h post-estres, siendo leucocitos y linfocitos significativamente menores en el TnE (p<0.05) a las 24 h post-estres. Otros parametros evaluados no presentaron diferencias significativas en lo largo del estudio. Conclusiones. Los resultados sugieren que varios indicadores hematologicos y bioquimica sanguinea en los peces son alterados por el estres agudo ocasionado por manejo y captura.

• Publication year

  2016

• Venue

  Revista Mvz Cordoba

• Publication date

  2016-05-06

• Fields of study

  Not labeled

• Identifiers
  DOI 10.21897/RMVZ.601
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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