Effects of Replacement of Fishmeal with Hazelnut Meal on Growth Performance, Body Composition, and Nutrient Digestibility Coefficients in Rainbow Trout, Oncorhynchus mykiss

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dc.contributor.author Sevgili, Huseyin
dc.contributor.author Emre, Yilmaz
dc.contributor.author Kanyilmaz, Mahir
dc.contributor.author Uysal, Ramazan
dc.date.accessioned 2012-01-19T20:25:29Z
dc.date.available 2012-01-19T20:25:29Z
dc.date.issued 2009
dc.description.abstract Hazelnut meal was evaluated as an alternative protein source to fishmeal in diets for rainbow trout, Oncorhynchus mykiss (initial wt 57.5±0.1 g). Hazelnut meal was incorporated in the diet at levels of 0% (control), 7.5%, 15%, 22.5%, and 30%. Diets were tested in triplicate for ten weeks. Higher levels of hazelnut meal produced better growth performance, that was sig- nificantly higher in fish fed 30% hazelnut meal than in the control (p<0.05). Feed utilization and protein efficiency ratios followed a similar trend while the level of hazelnut meal did not significantly affect whole body composi- tion. Apparent digestibility of dry matter and energy of fish fed hazelnut meal at all levels was significantly lower than in fish fed the control (p<0.05). Crude and digestible protein, as well as energy retention, were significant- ly correlated with hazelnut meal level. Nevertheless, energy retention declined in fish fed 30% hazelnut meal. Based on growth performance and nutrient retention, the optimal level of hazelnut meal in diets for rainbow trout may be around 30%.
dc.format.extent 11 pages
dc.identifier.citation Sevgili, H., Emre, Y., Kanyilmaz, M., & Uysal, R. (2009). Effects of Replacement of Fishmeal with Hazelnut Meal on Growth Performance, Body Composition, and Nutrient Digestibility Coefficients in Rainbow Trout, Oncorhynchus mykiss. The Israeli Journal of Aquaculture - Bamidgeh, 61(2), 103-113.
dc.identifier.issn 0792-156X
dc.identifier.uri http://hdl.handle.net/10524/19283
dc.publisher Israeli Journal of Aquaculture - BAMIGDEH
dc.relation.ispartofseries The Israeli Journal of Aquaculture - Bamidgeh
dc.subject rainbow trout, fishmeal, hazelnut meal, nutrient digestibility, body composition, growth
dc.subject.lcsh Fish culture--Israel--Periodicals.
dc.subject.lcsh Fish culture--Periodicals.
dc.subject.lcsh Aquaculture--Israel--Periodicals.
dc.subject.lcsh Aquaculture--Periodicals.
dc.title Effects of Replacement of Fishmeal with Hazelnut Meal on Growth Performance, Body Composition, and Nutrient Digestibility Coefficients in Rainbow Trout, Oncorhynchus mykiss
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IJA Volume 61, Issue 2, 2009