The effects of dietary crude protein on growth of the Eurasian perch Perca fluviatilis

E. D. Fiogbé, P. Kestemont, C. Mélard, J. C. Micha

Résultats de recherche: Contribution à un journal/une revueArticle

Résumé

A 73-day feeding experiment was conducted to evaluate the effects of dietary crude protein level on growth of Eurasian perch juveniles. Determination of the protein requirement of 2.9 g perch was performed with six semi-purified diets containing crude protein levels ranging from 0 to 60%. Fish were held in three recirculated systems, each diet being tested in triplicate. Significant differences in growth and survival appeared among fish fed diets containing up to 30% crude protein and fish fed diets from 40% crude protein and above. Three mathematical models (the four parameter saturation kinetics, broken line and second order polynomial Brett model) were used to analyse the relationships between dietary crude protein and specific growth rate. According to the saturation kinetics and polynomial models, the optimum dietary crude protein levels were 36.8 and 43.6%, respectively. Based on broken line and polynomial models, maximum growth occured at 43.1 and 56.5%, respectively. Endogenous protein losses of 2.9 g juvenile perch reached 1.11 mg fish-1 day-1 at 23°C.

langue originaleAnglais
Pages (de - à)239-249
Nombre de pages11
journalAquaculture
Volume144
Numéro de publication1-3
Les DOIs
étatPublié - 10 sept. 1996

Empreinte digitale

Perca fluviatilis
crude protein
protein
perch
diet
fish feeds
fish
kinetics
protein depletion
protein requirement
saturation
specific growth rate
effect
mathematical models

Citer ceci

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title = "The effects of dietary crude protein on growth of the Eurasian perch Perca fluviatilis",
abstract = "A 73-day feeding experiment was conducted to evaluate the effects of dietary crude protein level on growth of Eurasian perch juveniles. Determination of the protein requirement of 2.9 g perch was performed with six semi-purified diets containing crude protein levels ranging from 0 to 60{\%}. Fish were held in three recirculated systems, each diet being tested in triplicate. Significant differences in growth and survival appeared among fish fed diets containing up to 30{\%} crude protein and fish fed diets from 40{\%} crude protein and above. Three mathematical models (the four parameter saturation kinetics, broken line and second order polynomial Brett model) were used to analyse the relationships between dietary crude protein and specific growth rate. According to the saturation kinetics and polynomial models, the optimum dietary crude protein levels were 36.8 and 43.6{\%}, respectively. Based on broken line and polynomial models, maximum growth occured at 43.1 and 56.5{\%}, respectively. Endogenous protein losses of 2.9 g juvenile perch reached 1.11 mg fish-1 day-1 at 23°C.",
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The effects of dietary crude protein on growth of the Eurasian perch Perca fluviatilis. / Fiogbé, E. D.; Kestemont, P.; Mélard, C.; Micha, J. C.

Dans: Aquaculture, Vol 144, Numéro 1-3, 10.09.1996, p. 239-249.

Résultats de recherche: Contribution à un journal/une revueArticle

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AU - Kestemont, P.

AU - Mélard, C.

AU - Micha, J. C.

PY - 1996/9/10

Y1 - 1996/9/10

N2 - A 73-day feeding experiment was conducted to evaluate the effects of dietary crude protein level on growth of Eurasian perch juveniles. Determination of the protein requirement of 2.9 g perch was performed with six semi-purified diets containing crude protein levels ranging from 0 to 60%. Fish were held in three recirculated systems, each diet being tested in triplicate. Significant differences in growth and survival appeared among fish fed diets containing up to 30% crude protein and fish fed diets from 40% crude protein and above. Three mathematical models (the four parameter saturation kinetics, broken line and second order polynomial Brett model) were used to analyse the relationships between dietary crude protein and specific growth rate. According to the saturation kinetics and polynomial models, the optimum dietary crude protein levels were 36.8 and 43.6%, respectively. Based on broken line and polynomial models, maximum growth occured at 43.1 and 56.5%, respectively. Endogenous protein losses of 2.9 g juvenile perch reached 1.11 mg fish-1 day-1 at 23°C.

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