Trine Ytrestøyl

Publications

• Ytrestøyl, T., Aas, T.S., Berge, G.M., Hatlen, B., Sørensen, M., Ruyter, B., Thomassen, M., Hognes, E.S., Ziegler, F., Sund, V. and Åsgård, T.E. 2011. Resource utilisation and eco-efficiency of Norwegian salmon farming in 2010.
• Sørensen, M., Berge, G.M., Thomassen, M., Ruyter, B., Hatlen, B., Ytrestøyl, T., Aas, T.S. and Åsgård, T.E. 2011. Today’s and tomorrow's feed ingredients in Norwegian aquaculture.
• Rørvik, K.-A., Ytrestøyl, T., Lundberg, E., Jakobsen, F.A., Jakobsen, A.A. and Bjerkeng, B. 2010. How Apparent Digestibility of Carotenoids, Macronutrients, and Minerals are Differently Affected by Ration Level in Atlantic Salmon, Salmo Salar.
• Lakeh, A.A.B., Ahmadi, M.R., Safi, S., Ytrestøyl, T. and Bjerkeng, B. 2010. Growth performance, mortality and carotenoid pigmentation of fry offspring as affected by dietary supplementation of astaxanthin to female rainbow trout (Oncorhynchus mykiss) broodstock.
• Mørkøre, T., Ytrestøyl, T. and Ruyter, B. 2008. Leverkvalitet hos oppdrettstorsk. Statusrapport.
• Ytrestøyl, T. and Bjerkeng, B. 2007. Intraperitoneal and dietary administration of astaxanthin in rainbow trout (Oncorhynchus mykiss) - Plasma uptake and tissue distribution of geometrical E/Z isomers.
• Ytrestøyl, T. and Bjerkeng, B. 2007. Dose response in uptake and deposition of intraperitoneally administered astaxanthin in Atlantic salmon (Salmo salar L.) and Atlantic cod (Gadus morhua L.)
• Bjerkeng, B., Ytrestøyl, T. and Olsen, R.E. 2007. Metabolism and uptake of carotenoids in farmed fish.
• Bjerkeng, B., Peisker, M., von Schwartzenberg, K., Ytrestøyl, T. and Åsgård, T. 2007. Digestibility and muscle retention of astaxanthin in Atlantic salmon, Salmo salar, fed diets with the red yeast Phaffia rhodozyma in comparison with synthetic formulated astaxanthin.
• Ytrestøyl, T., Struksnæs, G., Rørvik, K.-A., Koppe, W. and Bjerkeng, B. 2006. Astaxanthin digestibility as affected by ration levels for Atlantic salmon, Salmo salar.
• Ytrestøyl, T., Struksnæs, G., Rørvik, K.-A., Koppe, W. and Bjerkeng, B. 2006. Utnyttelsen av astaxanthin påvirkes av rasjonsstørrelse hos altantisk laks (Salmo salar).
• Ytrestøyl, T. and Bjerkeng, B. 2006. Deposition of astaxanthin after intraperitoneal injection in Atlantic salmon and Atlantic cod.
• Ytrestøyl, T. 2006. Factors affecting utilisation of carotenoids in salmonid fishes.
• Bjerkeng, B., Ytrestøyl, T., Åsgård, T., von Schwartzenberg, K. and Peisker, M. 2006. Muscle retention and apparent digestibility coefficients of astaxanthin in Atlantic salmon (Salmo salar) fed diets with Phaffia rhodozyma or Lucantin PinkTM as astaxanthin sources.
• Bjerkeng, B., Ytrestøyl, T. and Olsen, R.E. 2006. Metabolisme og opptak av carotenoider i oppdrettsfisk.
• Bjerkeng, B. and Ytrestøyl, T. 2006. Opptak og metabolisme av astaxanthin i fisk - Intraperitonal injeksjon.
• Ahmadi, M.R., Bazyar, A.A., Safi, S., Ytrestøyl, T. and Bjerkeng, B. 2006. Effects of dietary astaxanthin supplementation on reproductive characteristics of rainbow trout (Oncorhynchus mykiss).
• Ytrestøyl, T., Struksnæs, G., Koppe, W. and Bjerkeng, B. 2005. Effects of temperature and feed intake on astaxanthin digestibility and metabolism in Atlantic salmon, Salmo salar.
• Ytrestøyl, T., Struksnæs, G., Koppe, W. and Bjerkeng, B. 2005. Digestibility and plasma concentrations of astaxanthin as affected by temperature and feed intake in Atlantic salmon (Salmo salar).
• Safi, S., Ahmadi, M.R., Bazyar, A.A., Ytrestøyl, T. and Bjerkeng, B. 2005. Astaxanthin content and reproductive performance and weight and length growth in rainbow trout (Oncorhynchus mykiss).
• Ytrestøyl, T., Coral-Hinostroza, G.N., Hatlen, B., Robb, D.H.F. and Bjerkeng, B. 2004. Carotenoid and lipid content in muscle of Atlantic salmon, Salmo salar, transferred to seawater as 0+ or 1+ smolts.
• Coral-Hinostroza, G.N., Ytrestøyl, T., Ruyter, B. and Bjerkeng, B. 2004. Plasma appearance of unesterified astaxanthin geometrical E/Z and optical R/S isomers in men given single doses of a mixture of optical 3 and 3' R/S isomers of astaxanthin fatty acyl diesters.
• Ytrestøyl, T. and Bjerkeng, B. 2003. Intraperitonal administration of astaxanthin in rainbow trout, Oncorhynchus mykiss.
• Coral-Hinostroza, G.N., Ytrestøyl, T., Ruyter, B. and Bjerkeng, B. 2003. Administracion oral de astaxantina esterificada en humanos. Parametros farmacocineticos, absorcion isomeros E/Z y R/S.
• Ytrestøyl, T., Coral-Hinostroza, G., Hatlen, B. and Bjerkeng, B. 2002. The presence of 4'-hydroxyechinenone in muscle of Atlantic salmon, salmo salar, fed diets with canthaxanthin.
• Ytrestøyl, T. and Bjerkeng, B. 2002. Opptak og metabolisme av carotenioder i laksefisk.
• Ytrestøyl, T. and Bjerkeng, B. 2002. Carotenoider i akvakultur - analyse av optiske R/S isomere og geometriske E/Z isomere.
• Coral-Hinostroza, G.N., Ytrestøyl, T., Ruyter, B. and Bjerkeng, B. 2002. Oral administration of astaxanthinestersto humans - Pharmacokinetic parameters, and uptake of geometrical E/Z and optical R/S isomers.