Potential of cottonseed oil as fish oil replacer in European Sea Bass feed formulation

Eroldoğan, Tufan, Turchini, Giovanni M., Yılmaz, Asuman H., Taşbozan, Oğuz, Engin, Kenan, Ölçülü, Abdullatif, Özşahinoğlu, Ilgın and Mumoğullarında, Pınar 2012, Potential of cottonseed oil as fish oil replacer in European Sea Bass feed formulation, Turkish journal of fisheries and aquatic sciences, vol. 12, pp. 787-797.

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Title Potential of cottonseed oil as fish oil replacer in European Sea Bass feed formulation
Author(s) Eroldoğan, Tufan
Turchini, Giovanni M.
Yılmaz, Asuman H.
Taşbozan, Oğuz
Engin, Kenan
Ölçülü, Abdullatif
Özşahinoğlu, Ilgın
Mumoğullarında, Pınar
Journal name Turkish journal of fisheries and aquatic sciences
Volume number 12
Start page 787
End page 797
Total pages 11
Publisher Central Fisheries Research Institute
Place of publication Trabazon, Turkey
Publication date 2012
ISSN 1303-2712
Keyword(s) Dicentrarchus labrax
linoleic acid
fish oil replacement
aquafeed
vegetable oils
Summary Triplicate groups of 20 European sea bass (35 g) were fed five diets in which the added lipid was 100% fish oil (FO), 40% (CSO40), 60% (CSO60), 80% (CSO80) and 100% (CSO100) refined cottonseed oil (CSO), for a period of 120 days. Overall fish growth, feed conversion ratio and protein utilization were unaffected by dietary treatment, but hepatosomatic and visceral fat indexes increased with increasing dietary CSO. Fillet fatty acid composition of total lipids reflected the fatty acids in the test diets. The monounsaturated fatty acids were significantly higher in fillet of fish fed diet FO, CSO40 and CSO60 compared to other treatments while saturated and polyunsaturated fatty acids (PUFA) were not affected by the dietary treatment. Some fatty acids (18:0, 18:1n-9, 20:5n-3 and 22:6n-3) were present in higher concentration in fillet lipid than in the CSO100 dietary lipid indicating accumulation in fillet relative to test diets. Retention of n-3 LC-PUFA within the fillet was increasingly inefficient among fish fed increasing levels of FO. Thus, this study suggests that CSO can be considered as a relatively effective substitute for fish oil in European sea bass (35 g) in terms of growth performances and feed efficiency as far as fish meal is present in the diet.
Language eng
Field of Research 070401 Aquaculture
Socio Economic Objective 830102 Aquaculture Fin Fish (excl. Tuna)
HERDC Research category C1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30051603

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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