Fishmeal in the diets of Nile tilapia fingerlings <em>Oreochromis niloticus</em> (L.), Thai strains

  • Anna Christina Esper Amaro de Faria UEM
  • Carmino Hayashi UEM
  • Eliana Maria Galdioli UEM
  • Claudemir Martins Soares UEM
DOI: https://doi.org/10.4025/actascianimsci.v23i0.2748

Abstract

The adequate fishmeal (FM) inclusion level in diets for Nile tilapia fingerlings, Oreochromis niloticus (Perciformes, Cichlidae) Thai strain, is provided. Three hundred fishes with initial mean average weight of 0.42 ± 0.01 g were distributed in 25 net ponds in a randomized block design with five treatments (0, 4, 8, 16 e 20% of FM in diet) and five repetitions. Quadratic effect (p < 0,05) was reported for average final weight, hepatic-somatic index and feed conversion, with maximum points at 12.15 and 15.33% and minimal points at 18.59% of FM inclusion respectively, besides linear increase in protein efficiency rate with an increase in FM rates. Fish meal levels (p > 0,05) did not affect survival and carcass yield. It may be concluded that the appropriate fishmeal inclusion is 12.15% in diets for Nile tilapia fingerlings.

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Author Biography

Anna Christina Esper Amaro de Faria, UEM
Possui graduação em Ciências Biológicas pela Universidade Estadual de Maringá (1995), mestrado em Zootecnia pela Universidade Estadual de Maringá (2000) e doutorado em Ecologia de Ambientes Aquáticos Continentais pela Universidade Estadual de Maringá. Atualmente é gerente do meio ambiente da Prefeitura Municipal de Maringá, bióloga da Prefeitura Municipal de Maringá e gerente de unidade de consevação da Prefeitura Municipal de Maringá. Tem experiência na área de Ecologia, com ênfase em Ecologia de Peixes, Ecologia energética, atuando principalmente nos seguintes temas: Isótopos estáveis, piscicultura, tilápia do nilo, oreochromis niloticus, Pseudoplatystoma corruscans, Prochilodus lineatus, Leporinus fridericii, Pterodoras granulosus e Schizodon borelli, Digestibilidade, posição trofica e fontes de energia Currículo Lattes
Published
2008-05-09
How to Cite
Faria, A. C. E. A. de, Hayashi, C., Galdioli, E. M., & Soares, C. M. (2008). Fishmeal in the diets of Nile tilapia fingerlings <em>Oreochromis niloticus</em&gt; (L.), Thai strains. Acta Scientiarum. Animal Sciences, 23, 903-908. https://doi.org/10.4025/actascianimsci.v23i0.2748
Issue
Vol 23 (2001)
Section
Animal Science

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