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Oleaginous yeast as a component in fish feed
J. Blomqvist, J. Pickova, SK. Tilami, S. Sampels, N. Mikkelsen, J. Brandenburg, M. Sandgren, V. Passoth,
Language English Country Great Britain
Document type Journal Article, Research Support, Non-U.S. Gov't
Grant support
213-2013-80
Svenska Forskningsrådet Formas (Swedish Research Council Formas) - International
213-2013-80
Svenska Forskningsrådet Formas (Swedish Research Council Formas) - International
213-2013-80
Svenska Forskningsrådet Formas (Swedish Research Council Formas) - International
213-2013-80
Svenska Forskningsrådet Formas (Swedish Research Council Formas) - International
213-2013-80
Svenska Forskningsrådet Formas (Swedish Research Council Formas) - International
213-2013-80
Svenska Forskningsrådet Formas (Swedish Research Council Formas) - International
213-2013-80
Svenska Forskningsrådet Formas (Swedish Research Council Formas) - International
213-2013-80
Svenska Forskningsrådet Formas (Swedish Research Council Formas) - International
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- MeSH
- Amino Acids analysis MeSH
- Animal Feed analysis MeSH
- Lignin metabolism MeSH
- Lipomyces growth & development metabolism MeSH
- Fatty Acids analysis chemistry MeSH
- Pilot Projects MeSH
- Triticum metabolism MeSH
- Trout growth & development metabolism MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
This study investigates the replacement of vegetable oil (VO) in aquaculture feed for Arctic char (Salvelinus alpinus) with oil produced by the oleaginous yeast Lipomyces starkeyi grown in lignocellulose (wheat straw) hydrolysate. VO is extensively used to partially replace fish oil in aquaculture feed, which can be seen as non-sustainable. VO itself is becoming a limited resource. Plant oils are used in many different applications, including food, feed and biodiesel. Its replacement in non-food applications is desirable. For this purpose, yeast cells containing 43% lipids per g dry weight were mechanically disrupted and incorporated into the fish feed. There were no significant differences in this pilot study, regarding weight and length gain, feed conversion ratio, specific growth rate, condition factor and hepatosomatic index between the control and the yeast oil fed group. Fatty and amino acid composition of diet from both groups was comparable. Our results in fish demonstrate that it is possible to replace VO by yeast oil produced from lignocellulose, which may broaden the range of raw materials for food production and add value to residual products of agriculture and forestry.
References provided by Crossref.org
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- $a This study investigates the replacement of vegetable oil (VO) in aquaculture feed for Arctic char (Salvelinus alpinus) with oil produced by the oleaginous yeast Lipomyces starkeyi grown in lignocellulose (wheat straw) hydrolysate. VO is extensively used to partially replace fish oil in aquaculture feed, which can be seen as non-sustainable. VO itself is becoming a limited resource. Plant oils are used in many different applications, including food, feed and biodiesel. Its replacement in non-food applications is desirable. For this purpose, yeast cells containing 43% lipids per g dry weight were mechanically disrupted and incorporated into the fish feed. There were no significant differences in this pilot study, regarding weight and length gain, feed conversion ratio, specific growth rate, condition factor and hepatosomatic index between the control and the yeast oil fed group. Fatty and amino acid composition of diet from both groups was comparable. Our results in fish demonstrate that it is possible to replace VO by yeast oil produced from lignocellulose, which may broaden the range of raw materials for food production and add value to residual products of agriculture and forestry.
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- $a Tilami, Sarvenaz Khalili $u University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, Institute of Aquaculture and Protection of Waters, Husova tř. 458/102, 370 05, České Budějovice, Czech Republic.
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- $a Passoth, Volkmar $u Swedish University of Agricultural Sciences, Department of Molecular Sciences, Box 7015, S-75007, Uppsala, Sweden. Volkmar.Passoth@slu.se.
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