INGESTION OF RATION BY "PACU" (PIARACTUS MESOPOTAMICUS HOLMBERQ, 1887), "CURIMBA" (PROCHILODUS SCROFA STEINDACHNER, 1881) AND "PIAU" (LEPORINUS FRIDERICI BLOCH, 1794) IN CONDITION OF SEMI-INTENSIVE REARING

Authors

  • Redelvim DUMONT NETO Contratado Fundep /Cemig EPDAVG
  • Afonso PELLI Contratado Fundep /Cemig EPDAVG
  • João Daniel da SILVA CEMIG EPDAVG
  • Sônia Maria RAMOS CEMIG EPDAVG
  • Dalton da Silva SOUZA CEMIG EPDAVG
  • Norma Dulce de Campos BARBOSA CEMIG EPDAVG

Keywords:

hatchery stationi, ration, Piaractus mesopotamicus, Prochilodus scrofa, Leporinus frideric

Abstract

The aim of this study was to determine the beginning of ingestion of ration in ponds of hatchery in semi-intensive system. After the absorption of yolk sac, the post-larvae were transferred to outdoor ponds and supplied twice a day with commercial feed. At least, eight individuals of each species were collected casually one hour after the administration of ration. The specimens were anesthetized and sacrificed. Then, the alimentary canal was opened and the content analyzed. The beginning of ingestion of ration was observed in the 7th, 8th and 13th day after the eclosion for "piau", "curimba" and "pacu", respectively.

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Published

2019-04-17

Issue

Vol. 24 No. Especial (1997): BOLETIM DO INSTITUTO DE PESCA

Section

Scientific Article