Elsevier

Aquaculture

Volume 27, Issue 2, March 1982, Pages 97-109
Aquaculture

Evaluation of some plant proteins in complete diets for the tilapia Sarotherodon mossambicus

https://doi.org/10.1016/0044-8486(82)90129-6Get rights and content

Abstract

Copra, groundnut, soya, sunflower, rapeseed, cottonseed and leucaena meals were tested individually at various inclusion levels in comparison with a control diet (30% protein) containing fishmeal for male Sarotherodon mossambicus in a series of three trials. Despite the low feeding rates achieved in the recirculating systems used in these studies, all the protein sources except leucaena promoted reasonable growth even at high dietary inclusion levels. At the 25% plant protein level the diets containing oil-seed meals supported comparable growth to the fishmeal controls in all three trials; at the 50% level, growth rates were lower with copra, groundnut and soya. Only three sources were tested at the 100% plant protein level. All produced lower growth rates than the controls. In declining order they were cottonseed, soya and groundnut. The value of the different plant protein sources is discussed in relation to dietary essential amino acid levels and determined toxic factors.

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    Present address: Dunstaffnage Marine Research Laboratory, P.O. Box 3, Oban, Argyll (Great Britain)

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