Apparent digestibility by Nile tilapia <em>Oreochromis niloticus</em> (L.) of Brazilian-made meal, imported fish meal and toasted and spray-dried blood meals

  • Fernanda Garcia Sampaio UNESP
  • Hamilton Hisano UNESP
  • Rodrigo Akio Yamaki UNESP
  • Geisa Karina Kleemann UNESP
  • Luiz Edivaldo Pezzato UNESP
  • Margarida Maria Barros CAUNESP

Abstract

Apparent digestibility in Nile tilapia juveniles (100±10g) of imported fish meal, Brazilian-made fish meal, spray-dried blood meal and toasted blood meal was evaluated. While a semi-purified diet was prepared as control, four other diets containing about 35% of control diet and 65% of assay ingredients were prepared, using 0.10% of chromic oxide as indicator. Juveniles of Nile tilapia were randomly stocked in groups of fifty in circular cages. They were maintained for 8:00 to 17:00 p.m. in 250L-tanks and fed all day long. Later they were transferred to tanks 300L-tanks, appropriated for feces collection, in which they spent all night. Apparent digestibility coefficient of the ingredient was based on percentage of chromic oxide found in diets and feces and on nutrient percentage. Results indicate that spray-dried blood meal and the two fish meals may be used as a source of protein in Nile tilapia diets. Toasted blood meal cannot be recommended.

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Author Biography

Luiz Edivaldo Pezzato, UNESP
Possui graduação em Zootecnia pela Universidade Estadual Paulista Júlio de Mesquita Filho (1979) , mestrado em Nutrição Animal pela Universidade de São Paulo (1984) e doutorado em Zootecnia pela Universidade Estadual Paulista Júlio de Mesquita Filho (1990) . Atualmente é ProfessorAssistente Doutor da Universidade Estadual Paulista Júlio de Mesquita Filho, Revisor de periódico da Acta Scientiarum (UEM), Revisor de periódico da Pesquisa Agropecuária Brasileira, Revisor de periódico da Ciência Rural, Revisor de periódico da Boletim do Instituto de Pesca, Revisor de periódico da Ciência Animal Brasileira (UFG), Membro de corpo editorial da Veterinária e Zootecnia e Membro de corpo editorial da Revista da Sociedade Brasileira de Zootecnia. Tem experiência na área de Zootecnia , com ênfase em Nutrição e Alimentação Animal. Atuando principalmente nos seguintes temas: digestibilidade, velocidade de trânsito gastrintestinal, valor nutritivo de alimentos, tilápia do Nilo, proteína digestível e energia digestível Currículo Lattes
Published
2008-05-09
How to Cite
Sampaio, F. G., Hisano, H., Yamaki, R. A., Kleemann, G. K., Pezzato, L. E., & Barros, M. M. (2008). Apparent digestibility by Nile tilapia <em>Oreochromis niloticus</em&gt; (L.) of Brazilian-made meal, imported fish meal and toasted and spray-dried blood meals. Acta Scientiarum. Animal Sciences, 23, 891-896. https://doi.org/10.4025/actascianimsci.v23i0.2642
Section
Animal Science

0.9
2019CiteScore
 
 
29th percentile
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