Growth, Feed Utilization And Carcass Composition In Rainbow Trout Fed Diets With A Similar Digestible Energy Content And Different Carbohydrate Levels

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dc.contributor.authorTekinay, Ahmet Adem
dc.contributor.authorDavies, Simon John
dc.contributor.authorGüner, Yusuf
dc.date.accessioned2012-01-19T20:09:41Z
dc.date.available2012-01-19T20:09:41Z
dc.date.issued2003
dc.description.abstractThree diets including 13.2%, 22% or 30.5% carbohydrates as extruded wheat meal were fed to rainbow trout, Oncorhynchus mykiss (initial weight 34.8 g), for twelve weeks to investigate their influence on growth, protein and energy utilization and carcass composition. Daily feeding rates were 1.76, 2.05 or 2.17 g feed per 100 g body weight for the three diets, respectively, so as to reach a daily allowance of about 35.5 kJ digestible energy per 100 g body weight. No significant differences (p>0.05) in final mean weight or specific growth rate were observed between the treatments. Feed efficiency was negatively correlated to the dietary carbohydrate level. Utilized digestible protein and energy per kg growth were 365, 348, 358 g and 15.4, 15.9, 17.0 MJ, respectively, for the three diets. Apparent net protein and energy utilization of the groups fed a medium or high carbohydrate level were higher than those of the low carbohydrate group. Analysis of fish carcasses at the end of the trial revealed no significant (p>0.05) variations attrib- utable to the carbohydrate level.
dc.format.extent8 pages
dc.identifier.citationTekinay, A.A., Davies, S.J., & Güner, Y. (2003). Growth, Feed Utilization And Carcass Composition In Rainbow Trout Fed Diets With A Similar Digestible Energy Content And Different Carbohydrate Levels. The Israeli Journal of Aquaculture - Bamidgeh, 55(1), 31-38.
dc.identifier.issn0792-156X
dc.identifier.urihttp://hdl.handle.net/10524/19069
dc.publisherIsraeli Journal of Aquaculture - BAMIGDEH
dc.relation.ispartofseriesThe Israeli Journal of Aquaculture - Bamidgeh
dc.subjectcarbohydrate level, digestible energy, feed intake, nutrient utilization, rainbow trout
dc.subject.lcshFish culture--Israel--Periodicals.
dc.subject.lcshFish culture--Periodicals.
dc.subject.lcshAquaculture--Israel--Periodicals.
dc.subject.lcshAquaculture--Periodicals.
dc.titleGrowth, Feed Utilization And Carcass Composition In Rainbow Trout Fed Diets With A Similar Digestible Energy Content And Different Carbohydrate Levels

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IJA Volume 55, Issue 1, 2003