Substitution of fish meal with raw or treated cowpea (Vigna unguiculata L Walp, IT86-D719) meal in diets for Nile tilapia (Oreochromis niloticus L.) fry

L. Olivera-Castillo, M. Pino-Aguilar, M. Lara-Flores, S. Granados-Puerto, J. Montero-Munoz, M. A. Olvera-Novoa, G. Grant

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Two feeding experiments were carried out to evaluate the effect of partial substitution of fish meal (FM) with raw or heat-treated cowpea Vigna unguiculata L. Walp var. IT86-D719 seeds on growth performance, digestibility and pancreas tissue in Nile tilapia (Oreochromis niloticus L.) fry. Experiment 1 involved six isonitrogenous and isocaloric diets: four containing different concentrations of raw, whole cowpea meal (protein basis), a positive control with FM as sole protein source and a negative with cowpea meal as sole protein source. Substitution at up to 200 g kg-1 had no significant effect on production parameters, although growth was negatively affected in the negative control because of seed antinutritional factor content. Experiment 2 evaluated the effect of heat treatment (oven drying at 48 °C; hot air drying at 70 °C; or autoclaving at 119 °C) and/or seed dehulling using diets containing 200 g kg-1 cowpea meal presoaked in water. Only autoclaving eliminated trypsin inhibitor and lectin contents, independent of dehulling. Histological analysis indicated no histological changes in pancreas tissue. Raw or treated cowpea meal can replace FM in tilapia fingerling diets at up to 200 g kg-1 protein content without significantly affecting productive parameters or pancreas tissue.

Original languageEnglish
Pages (from-to)e101-e111
Number of pages11
JournalAquaculture Nutrition
Volume17
Issue number2
Early online date30 Dec 2009
DOIs
Publication statusPublished - Apr 2011

Fingerprint

Vigna unguiculata
Oreochromis niloticus
fish meal
fish fry
cowpeas
substitution
diet
protein
pancreas
fish
hulling
seed
autoclaving
protein sources
seeds
experiment
Tilapia (Cichlidae)
digestibility
antinutritional factors
air drying

Keywords

  • heat treatment
  • lectins
  • legume seeds
  • trypsin inhibitors

Cite this

Olivera-Castillo, L., Pino-Aguilar, M., Lara-Flores, M., Granados-Puerto, S., Montero-Munoz, J., Olvera-Novoa, M. A., & Grant, G. (2011). Substitution of fish meal with raw or treated cowpea (Vigna unguiculata L Walp, IT86-D719) meal in diets for Nile tilapia (Oreochromis niloticus L.) fry. Aquaculture Nutrition, 17(2), e101-e111. https://doi.org/10.1111/j.1365-2095.2009.00739.x

Substitution of fish meal with raw or treated cowpea (Vigna unguiculata L Walp, IT86-D719) meal in diets for Nile tilapia (Oreochromis niloticus L.) fry. / Olivera-Castillo, L.; Pino-Aguilar, M.; Lara-Flores, M.; Granados-Puerto, S.; Montero-Munoz, J.; Olvera-Novoa, M. A.; Grant, G.

In: Aquaculture Nutrition, Vol. 17, No. 2, 04.2011, p. e101-e111.

Research output: Contribution to journalArticle

Olivera-Castillo, L, Pino-Aguilar, M, Lara-Flores, M, Granados-Puerto, S, Montero-Munoz, J, Olvera-Novoa, MA & Grant, G 2011, 'Substitution of fish meal with raw or treated cowpea (Vigna unguiculata L Walp, IT86-D719) meal in diets for Nile tilapia (Oreochromis niloticus L.) fry', Aquaculture Nutrition, vol. 17, no. 2, pp. e101-e111. https://doi.org/10.1111/j.1365-2095.2009.00739.x
Olivera-Castillo, L. ; Pino-Aguilar, M. ; Lara-Flores, M. ; Granados-Puerto, S. ; Montero-Munoz, J. ; Olvera-Novoa, M. A. ; Grant, G. / Substitution of fish meal with raw or treated cowpea (Vigna unguiculata L Walp, IT86-D719) meal in diets for Nile tilapia (Oreochromis niloticus L.) fry. In: Aquaculture Nutrition. 2011 ; Vol. 17, No. 2. pp. e101-e111.
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