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Crecimiento y supervivencia de postlarvas de piracanjuba (brycon orbignyanus)

Authors: Silva,M.O.; Logato,P.V.R.; Murgas,L.D.S.; Ribeiro,P.A.P.; Maria,A.N.;

Crecimiento y supervivencia de postlarvas de piracanjuba (brycon orbignyanus)

Abstract

Este trabajo fue desarrollado en el laboratorio de reproducción de peces de la Estación Ambiental de Itutinga, CEMIG, en enero de 2002. El objetivo fue evaluar el crecimiento y supervivencia de postlarvas de piracanjuba (Brycon orbignyanus), en diferentes densidades de siembra y frecuencias de alimentación. Las postlarvas fueron distribuidas en dieciocho cajas plásticas rectangulares con un volumen de 30 litros cada una. Todas las cajas con suministro y drenaje de agua individual, con renovación constante y temperatura del agua controlada (27oC), a través de un sistema de calentamiento. Los tratamientos experimentales consistieron en tres densidades de siembra (10, 20 e 30 postlarvas/litro) y dos frecuencias de alimentación (de tres en tres horas y de seis en seis horas). El diseño fue completamente al azar con tratamientos en esquema factorial 3 x 2 (densidad de siembra x frecuencia de alimentación) con tres repeticiones por tratamiento. Los resultados mostraron que el aumento de la densidad de siembra reduce linealmente la supervivencia de los peces. Se registró una diferencia significativa (p0,05). De acuerdo con los resultados, se concluye que la mejor supervivencia se obtiene con la densidad de 10 postlarvas/litro de piracanjuba, alimentadas de tres en tres horas.

Related Organizations
Keywords

Densidad de siembra, Frecuencia de alimentación, Larvicultura

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
Green
gold