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THE EFFEECT OF SUBSTITUTION OF SOYBEAN MEAL BY Cottonseed cake IN COMMON CARP Cyprinus carpio L. DIETS 3-GROWTH AND BIOCHEMICAL ASSAY IN AQURIA | ||
| IRAQ JOURNAL OF AGRICULTURE | ||
| Article 1, Volume 5, Issue 16, 2011, Pages 0-0 | ||
| Authors | ||
| M. A. Mohammad; V. S. M. Salaei | ||
| Abstract | ||
| This investigation was carried out to utilize cottonseed cake in formulating diets for common carp Cyprinus carpio L. fingerling in an attempt to substitute for soybean meal. One hundred and five common carp with initial weight averaged 26.74 ± 0.48 g /fish had been distributed randomly over seven experimental diets, with three replication for each diet. The fish fed for 70 days on experimental diets which contained different rates of cottonseed cake; zero% (control diet, diet 1) and three diets contained 25%, 32.5% and 41% of cottonseed cake of the total diet (2,3 and 4) respectively instead of 50 % ,66.66 % and 83.33 % of soybean meal with additione of multi enzymes at rate of 1g/kg, while the last three diets contained 25%, 32.5% and 41% treated cottonseed cake with (5, 6 and 7) autoclave respectively. The statistical analysis of results showed there were no significant differences in the weight gain, growth rate(GR) and relative growth rat(RGR) among control diet and each of fish fed diet 2, diet 3, diet 4, diet 6 and diet 7,whereas there were a significant differences (p< 0.01) between control diet and diet 5 for the above criteria respectively. Food intake decreased significantly (P<0.01) for fish fed on diets 3, 4 and 7 compared to control diet. The best values for food conversion ratio were recorded for fish which fed on diet 5. Soybean meal substituted by cottonseed cake did not have any significant impact on the biochemical characteristics of blood serum that included the activity of transaminase enzymes which ranged with in normal values for Alanine transaminase (ALT) and Aspartate transaminase (AST) 10.3-14.67 and 6-10 IUL respectively and the highest value of total blood serum protein recorded in diet 5 (2.90 mg/100 ml). | ||
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