Effect of daily Artemia nauplii concentrations during juvenile production of Lophiosilurus alexandri

  • José Cláudio Epaminondas dos SANTOS Companhia de Desenvolvimento dos Vales do São Francisco e Parnaíba (CODEVASF), Centro Integrado de Recursos Pesqueiros e Aquicultura de Três Marias
  • Eudes de Souza CORREIA Universidade Federal Rural de Pernambuco (UFRPE), Departamento de Pesca e Aquicultura, Programa de Pós-graduação em Recursos Pesqueiros e Aquicultura http://orcid.org/0000-0002-9987-8854
  • Ronald Kennedy LUZ Universidade Federal de Minas Gerais (UFMG), Escola de Veterinária, Departamento de Zootecnia, Laboratório de Aquacultura http://orcid.org/0000-0002-1021-5772

Abstract

The aim of this study was to investigate different daily Artemia nauplii concentrations during juvenile production of pacamã, Lophiosilurus alexandri. Six different daily Artemia nauplii concentrations (100, 400, 700, 1,100, 1,400, and 1,600 nauplii larvae-1) were tested during 15 days of feeding. The higher growth (weight and length) and lower water quality (higher ammonium ion levels) were registered to the higher initial daily Artemia nauplii concentration. Survival between 90.9 and 99.1% was not influenced by Artemia nauplii concentrations. Different Artemia nauplii concentrations provided high survival and avoided cannibalistic behavior, and initial concentrations of 1,600 nauplii larvae-1 provide higher growth in L. alexandri larviculture.

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Published
2018-11-20
How to Cite
SANTOS, José Cláudio Epaminondas dos; CORREIA, Eudes de Souza; LUZ, Ronald Kennedy. Effect of daily Artemia nauplii concentrations during juvenile production of Lophiosilurus alexandri. Boletim do Instituto de Pesca, [S.l.], v. 41, n. especial, p. 771-776, nov. 2018. ISSN 1678-2305. Available at: <https://pesca.sp.gov.br/boletim/index.php/bip/article/view/1104>. Date accessed: 13 aug. 2022.