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Effect of Replacing Fishmeal with Spirulina sp. on some Biological Parameters of Common Carp Cyprinus carpio L.

Authors: Nasreen M. Abdulrahman --- Hawkar J. Hamad Ameen
Journal: Basrah Journal of Agricultural Sciences مجلة البصرة للعلوم الزراعية ISSN: 18175868 Year: 2013 Volume: Special Issue: 2 Pages: 246-251
Publisher: Basrah University جامعة البصرة

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Abstract

This study was designed to investigate the effect of different replacementlevels of fishmeal with Spirulina sp. on growth performance and some blood parametersof common carp Cyprinus carpio L., the trail was conducted for 105 days and for thispurpose 200 fingerlings common carp. Mean initial weight was 32.7g. The fish wereacclimated to laboratory conditions and fed with control pellets (32% crude protein)prior to the feeding trials for 21 days. Five experimental diets were used and Spirulinareplaced fishmeal protein from the standard diet at 0% (T1), 5% (T2), 10% (T3), 15%(T4) and 20% (T5) levels. No differences observed among the treatments in the Liverindex, Gonadosomato index were 6.489, 5.680, 5.339, 4.009 and 3.770 for the (T3),(T4), (T5), (T2) and (T1) respectively, results of statistical analysis showed nosignificant (P<0.05) different among all treatments but the higher value of GSI andLiver index found in T3.

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