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Casein in the place of beef liver in artificial diets for common carp (Cyprinus carpio L.) larvae

Published online by Cambridge University Press:  15 July 1990

Małgorzata Szlamińska ,
Anne-Marie Escaffre ,
Hélène Alami-Durante ,
Nicole Charlon  and
Pierre Bergot
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Abstract

Common carp larvae were fed artificial diets over 28 days at about 24 °C. Diets were based on yeast and either beef liver or casein. Survival rates of larvae were 76-92% with liver diets and 87-96% with casein diets. Larval growth was superior with liver diets (mean final weights 720-880 mg) than with casein diets (130-340 mg). Within-tank coefficient of variation of body weight increased with mean weight according to a generalized S-shaped curve. The skewness coefficient tended to increase with the mean weight, with higher values in the casein-fed group than in the liver-fed group. It is concluded that liver is not strictly indispensable for carp larvae diets and may be replaced by less complex components.

Keywords

Cyprinus carpiolarvaartificial dietsurvivalgrowthpopulation structureCyprinus carpiolarverégime artificielsurviecroissancestructure de population
Type
Research Article
Information
Aquatic Living Resources , Volume 3 , Issue 3 , July 1990 , pp. 229 - 234
Copyright
© IFREMER-Gauthier-Villars, 1990

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