Operational cost of alevins production of curimbatá, Prochilodus scrofa (Steindachner,1881) by induced spawning

Authors

  • Dulce Maria ANTONIUTTI Prof ªAssistente do Departamento da Fisiologia da Universidade Federal do Panará
  • Massuka Yamane NARAHARA Prof ªAssistente do Departamento da Fisiologia da Universidade Federal do Panará
  • Elizabeth ROMAGOSA Pesquisador Cientí­­fico - Seção de Biologia Aquática - Divisão de Pesca Interior -  Instituto de Pesca -  CPA/SAA http://orcid.org/0000-0001-5363-4128

Keywords:

fish, Prochilodus scrofa, alevins production, operational cost

Abstract

The purpose of this paper is the determination of the operational cost of production of Prochilodus scrofa alevins, using human chorionic gonadotropin - HCG (Pregnyl) to induced spawning. From May through November/1989 two hundred breeders of curimbatá were kept in two different 360 m2 earthen tanks. They were fed with pelleted balanced diet containing 25% crude protein at a rate of 1.5% (May through August) and 3%(between September and November) of body weight/day. In November/1989, seventeen females were induced to spawning with two intramuscular injections of 5 IU/g and 10 IU/g total weight of HCG at 10 hours intervals. The males received a single dose when the 2nd dose was given to the females. After 3 months, 70,250 alevins measuring 6.2 cm and weighing 7.00 g were obtained. The average survival rate was 7.0%. The operational cost related to the maintaining of the breeders was US$ 599.72 and to rearing alevins, US$ 415.70. The operational cost to produce one alevin was US$ 0.014.

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Published

2018-09-13

Issue

Vol. 22 No. 1 (1995): BOLETIM DO INSTITUTO DE PESCA

Section

Scientific Article

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