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Researching alternatives to fish oil for aquaculture

Contract nr: QLK5-CT-1999-30058
Project type: RS (Research and Technological Development Project)
Starting date: 01-01-2001
Duration: 48 months
Total cost: 5,032,369 EUR
EC Contribution: 2,600,000 EUR
Scientific Officer: Dominique LEVIEIL
Research topic: 5.1.2. Sustainable fisheries and aquaculture

Abstract:
We shall feed salmon, trout, sea bream and sea bass diets containing various blends of vegetable oils and fish oils with different levels of (n-3) and (n-6) polyunsaturated fatty acids (PUFA), to determine:

(1) specific growth rates and feed conversion efficiencies,
(2) levels of oils and PUFA in flesh,
(3) uptake and transport of PUFA,
(4) rates of formation of C20 and C22 PUFA from C18 PUFA and rates of PUFA oxidation,
(5) endocrines determining appetite,
(6) stress responses,
(7) immune responses,
(8) organoleptic properties of flesh, and
(9) flesh stability after storage on ice and frozen. We shall thereby recommend 'best practices' to the aquaculture industry for substituting fish oils with vegetable oils in fish feeds, thus facilitating continuing aquaculture development independently of limited supplies of fish oils, without prejudicing the health and welfare of the fish or its health promoting benefits to the consumer.



Coordinator
Jen SHEARER
University of Stirling
Stirling
UNITED KINGDOM
Tel.: +44 1786 466692
Fax: +44 1786 466688
E-mail: j.m.shearer@stir.ac.uk


Partners
  Viggo HALSETH
Nutreco Aquaculture Research Centre
Stavanger
NORWAY
Tel.: +47 51825560
Fax: +47 52825501
E-mail: viggo.halseth@nutreco.com
  Oeyvind LIE
Institute of Nutrition, Directorate of Fisheries
Bergen
NORWAY
Tel.: +47 55238000
Fax: +47 552380095
E-mail: oyvind.lie@nutr.fiskeridir.no
  Pierre CHASSIN
Institut National de la Recherche Agronomique
Saint-Pee-Sur-Nivelle
FRANCE
Tel.: +33 5 56843277
Fax: +33 5 56843274
E-mail: chassin@bordeaux.inra.fr
  Octavio LLINAS
Instituto Canario de Ciencias Marinas
Telde, Las Palmas
SPAIN
Tel.: +34 928132900
Fax: +34 928132908
  Isidro GONZALEZ
Universidad de Cadiz
Puerto Real (Cadiz) Andalucia
SPAIN
Tel.: +34 956015065
Fax: +34 956015077
E-mail: Isidro.gonzales@uca.es
  Jean-Pierre HEMMERY
Institut Franšais de Recherche pour l'Exploitation de la mer
Plouzane
FRANCE
Tel.: +33 1 46482292
Fax: +33 1 46482248