STARCH DIGESTIBILITY AND Ca AND P AVAILABILITY IN CEREAL GRAIN PRODUCTS AND BY-PRODUCTS IN EXTRUDED DIETS FOR NILE TILAPIA (Oreochromis niloticus)

Authors

  • Igo Gomes Guimaraes Universidade Estadual Paulista
  • Luiz Edivaldo Pezzato Universidade Estadual Paulista
  • Margarida Maria Barros Universidade Estadual Paulista
  • Leonardo Tachibana APTA
  • Rosangela do Nascimento Fernandes Centro de Aquicultura da UNESP

DOI:

https://doi.org/10.5216/cab.v12i3.4483

Keywords:

Aquiculture

Abstract

Apparent digestibility coefficients (ADC) of starch and calcium (Ca) and phosphorus (P) apparent availability were evaluated in five cereal grain products and by-products (corn, wheat meal, rice grain, rice bran and sorghum) for Nile tilapia. Chromic oxide was used as an external digestibility marker. The highest Ca and P apparent availability, respectively, were obtained for rice grain (43.03 and 64.79%), sorghum (39.89 and 58.09%) and corn (22.18 and 19.48%), while rice bran (-31.49 and 3.25%) and wheat meal (5.80 and 1.18%) showed the lowest values. Starch digestibility varied between 99.45 and 95.59% among the evaluated ingredients. This high ADC of starch observed in this study confirms that Nile tilapia is able to efficiently digest and utilize complex carbohydrates.
KEYWORDS: ADC; carbohydrates; extrusion; mineral; tilapia.

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Published

2011-09-29

How to Cite

GUIMARAES, I. G.; PEZZATO, L. E.; BARROS, M. M.; TACHIBANA, L.; FERNANDES, R. do N. STARCH DIGESTIBILITY AND Ca AND P AVAILABILITY IN CEREAL GRAIN PRODUCTS AND BY-PRODUCTS IN EXTRUDED DIETS FOR NILE TILAPIA (Oreochromis niloticus). Brazilian Animal Science/ Ciência Animal Brasileira, Goiânia, v. 12, n. 3, p. 415–419, 2011. DOI: 10.5216/cab.v12i3.4483. Disponível em: https://revistas.ufg.br/vet/article/view/4483. Acesso em: 18 may. 2024.

Issue

Vol. 12 No. 3 (2011)

Section

Animal Production

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