Advances in Fishery, Aquaculture and Hydrobiology

Relativedevelopment achievementof male and female freshwater prawn Macrobrachium tenellum (Decapoda: Palaemonidae) refined in tropical earthen lakes

Abstract


Emperatriz ENRIQUE

The purpose of thepresent study was to determine the performance growth and yield of male and female Macrobrachium tenellum, cultured in earthen ponds. A total of 6 earthen ponds containing 1,400±50.0 m2of water and a depth of 0.85 m were used. A total of 19,600 juvenile M. tenellumwere introduced into each pond to a stocking density of 14 org m-2. The final length, final weight, specific growth rate, weekly growth rate and yield presented significant differences (P < 0.05) between sexes, with the males exhibiting higher values of these indicators. The survival rate was higher in females (65.0%). The total yield obtained in this culture reached 1,603 kg ha-1.

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