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Effect of Replacing Fishmeal with Spirulina sp. on some Biological Parameters of Common Carp Cyprinus carpio L. | ||
| Basrah Journal of Agricultural Sciences | ||
| Article 18, Volume 26, 2 (special Issue), 2013, Pages 246-251 PDF (0 K) | ||
| DOI: 10.33762/bagrs.2013.112173 | ||
| Authors | ||
| Nasreen M. Abdulrahman; Hawkar J. Hamad Ameen | ||
| Abstract | ||
| This study was designed to investigate the effect of different replacement levels of fishmeal with Spirulina sp. on growth performance and some blood parameters of common carp Cyprinus carpio L., the trail was conducted for 105 days and for this purpose 200 fingerlings common carp. Mean initial weight was 32.7g. The fish were acclimated 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 Spirulina replaced 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 Liver index, 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 no significant (P<0.05) different among all treatments but the higher value of GSI and Liver index found in T3. | ||
| Keywords | ||
| Spirulina; fishmeal; replacement; liver index; gonadosomato index | ||
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