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Biography Turid Synnøve Aas

I am a nutritionist and have a PhD in nutrition. I work as a researcher in the Nutrition and Feed Technology group in Nofima. My field of expertise includes several aspects of feed and nutrition, mainly in Atlantic salmon. I do research on topics such as feed ingredient evaluation, and the relation between pellet quality and nutrition. My research includes resource utilization and the total flow of nutrients, such as use of feed resources and utilization of energy and nutrients from aquacultural waste (sludge).

Turid Synnøve Aas has 44 publications at Nofima:

Feed intake in Atlantic salmon fed with or without surface spreading of feed

Aas, Turid Synnøve; Ytrestøyl, Trine; Åsgård, Torbjørn Einar; Skøien, Kristoffer Rist; Alver, Morten Omholt; Alfredsen, Jo Arve

2020

Feed intake, nutrient digestibility and nutrient retention in Atlantic salmon (Salmo salar L.) fed diets with different physical pellet quality

Aas, Turid Synnøve; Sixten, Hanne Jorun; Hillestad, Marie; Ytrestøyl, Trine; Sveier, Harald; Åsgård, Torbjørn Einar

2020

Resource utilization of Norwegian salmon farming in 2016 – Professional final report

Aas, Turid Synnøve; Ytrestøyl, Trine; Åsgård, Torbjørn Einar

2019

Flow of nutrients and energy from feed in a land-based smolt farm

Aas, Turid Synnøve; Åsgård, Torbjørn Einar

2019

Measurement of gastrointestinal passage rate in Atlantic salmon (Salmo salar) fed dry or soaked feed

Aas, Turid Synnøve; Sixten, Hanne Jorun; Hillestad, Marie; Sveier, Harald; Ytrestøyl, Trine; Hatlen, Bjarne; Åsgård, Torbjørn Einar

2017

Environmental impacts, Chapter 4, page 173-231 in: Deliverable D2.1 Production issues in organic aquaculture

Adamek, Zdenek; Jokumsen, Alfred; Noble, Chris; Sæther, Bjørn-Steinar; Aas, Turid Synnøve; Ytrestøyl, Trine; Röcklinsberg, Helena; Olesen, Ingrid; Abbink, Wout

2017

Rapport/Report 33/2016 – English summary

Ytrestøyl, Trine; Aas, Turid Synnøve; Nerdal, Kristin Skei; Berge, Gerd Marit

2016

Rapport/Report 32/2016 - English summary

Aas, Turid Synnøve; Ytrestøyl, Trine; Berge, Gerd Marit

2016

Modelling of surface and 3D pellet distribution in Atlantic salmon (Salmo salar L.) cages

Alver, Morten; Skøien, Kristoffer Rist; Føre, Martin; Aas, Turid Synnøve; Oehme, Maike; Alfredsen, Jo Arve

2016

Intrinsic settling rate and spatial diffusion properties of extruded fish feed pellets

Skøien, Kristoffer Rist; Aas, Turid Synnøve; Alver, Morten; Romarheim, Odd Helge; Alfredsen, Jo Arve

2016

Utilisation of feed resources in production of Atlantic salmon (Salmo salar) in Norway

Ytrestøyl, Trine; Aas, Turid Synnøve; Åsgård, Torbjørn Einar

2015

Feed intake and nutrient digestibility and retention in Atlantic salmon fed diets with different physical pellet quality. A CREATE project

Aas, Turid Synnøve; Sixten, Hanne Jorun; Hillestad, Marie; Ytrestøyl, Trine; Sveier, Harald; Åsgård, Torbjørn Einar

2015

Addition of yttrium oxide as digestibility marker by vacuum coating on finished pellets - A method for assessing digestibility in commercial salmon feeds?

Hatlen, Bjarne; Nordgreen, Andreas Hoel; Romarheim, Odd Helge; Aas, Turid Synnøve; Åsgård, Torbjørn Einar

2015

Feed intake in Atlantic salmon fed with two different spreading patterns of feed

Aas, Turid Synnøve; Ytrestøyl, Trine; Åsgård, Torbjørn Einar; Skøien, Kristoffer Rist; Alver, Morten Omholt; Alfredsen, Jo Arve

2015

Norsk oppdrettslaks-en effektiv 40-åring.

Ytrestøyl, Trine; Åsgård, Torbjørn Einar; Aas, Turid Synnøve

2014

Rapport/Report 51/2014 - English summary

Ytrestøyl, Trine; Aas, Turid Synnøve; Hognes, Erik Skontorp; Åsgård, Torbjørn Einar

2014

Effects of dietary moisture content of extruded diets on physical feed quality and nutritional response in Atlantic salmon (Salmo salar)

Oehme, Maike Marlene; Aas, Turid Synnøve; Olsen, Hanne; Sørensen, Mette; Hillestad, Marie; Li, Yafei; Åsgård, Torbjørn Einar

2014

Resource utilisation of Norwegian salmon farming in 2012

Ytrestøyl, Trine; Aas, Turid Synnøve; Åsgård, Torbjørn Einar

2014

Production performance of Atlantic salmon (Salmo salar L.) postsmolts in cyclic hypoxia, and following compensatory growth

Remen, Mette; Aas, Turid Synnøve; Vågseth, Tone; Torgersen, Thomas; Olsen, Rolf Erik; Imsland, Albert; Oppedal, Frode

2014

Gut evacuation rate in Atlantic salmon (Salmo salar) fed diets with different physical properties. A CREATE project

Aas, Turid Synnøve; Ytrestøyl, Trine; Hatlen, Bjarne; Sixten, Hanne Jorun; Hillestad, Marie; Sveier, Harald; Selset, Roger; Åsgård, Torbjørn Einar

2014

Gastrointestinal passage rate in Atlantic salmon (Salmo salar) fed dry or soaked feed. A CREATE project

Aas, Turid Synnøve; Ytrestøyl, Trine; Hatlen, Bjarne; Sixten, Hanne Jorun; Hillestad, Marie; Åsgård, Torbjørn Einar

2013

Laksens vekst- og stressnivå påvirkes av svingende oksygenverdier.

Remen, Mette; Oppedal, Frode; Olsen, Rolf Erik; Imsland, Albert; Torgersen, Thomas; Aas, Turid Synnøve

2012

Effects of dietary moisture content of extruded diets on physical feed quality and nutritional response in Atlantic salmon (Salmo salar) - A CREATE project

Oehme, Maike Marlene; Aas, Turid Synnøve; Olsen, Hanne Jorun; Sørensen, Mette; Hillestad, Marie; Li, Yafei; Åsgård, Torbjørn Einar

2012

Feed pellet distribution in a sea cage using pneumatic feeding system with rotor spreader

Oehme, Maike Marlene; Aas, Turid Synnøve; Sørensen, Mette; Lygren, Ingolf; Åsgård, Torbjørn Einar

2012

Merdmiljø

Oppedal, Frode; Stien, Lars Helge; Gansel, Lars; Pascal, Klebert; Lader, Pål; Guenther, Jana; Remen, Mette; Aas, Turid Synnøve; Aure, Jan; Torgersen, Thomas

2011

Resource utilisation and eco-efficiency of Norwegian salmon farming in 2010

Ytrestøyl, Trine; Aas, Turid Synnøve; Berge, Gerd Marit; Hatlen, Bjarne; Sørensen, Mette; Ruyter, Bente; Thomassen, Magny S.; Hognes, Erik Skontorp; Ziegler, Friederike; Sund, Veronica; Åsgård, Torbjørn Einar

2011

Today’s and tomorrow's feed ingredients in Norwegian aquaculture

Sørensen, Mette; Berge, Gerd Marit; Thomassen, Magny S.; Ruyter, Bente; Hatlen, Bjarne; Ytrestøyl, Trine; Aas, Turid Synnøve; Åsgård, Torbjørn Einar

2011

Spreading of feed pellets in a sea cage for salmon farming using an automatic rotor spreader feeding system.A CREATE project

Aas, Turid Synnøve; Oehme, Maike Marlene; Sørensen, Mette; Lygren, Ingolf; Åsgård, Torbjørn Einar

2011

Feed utilisation in Atlantic salmon kept at fluctuating oxygen saturation. A CREATE project

Aas, Turid Synnøve; Remen, Mette; Oppedal, Frode; Hjertnes, Tor Johannes

2011

Nutritional responses in rainbow trout (Oncorhynchus mykiss) fed diets with different physical qualities at stable or variable environmental conditions

Aas, Turid Synnøve; Terjesen, Bendik Fyhn; Sigholt, Trygve; Hillestad, Marie; Holm, Jørgen; Refstie, Ståle; Bæverfjord, Grete; Rørvik, Kjell-Arne; Sørensen, Mette; Oehme, Maike Marlene; Åsgård, Torbjørn Einar

2011

Analysis of pellet degradation of extruded high energy fish feeds with different physical qualities in a pneumatic feeding system

Aas, Turid Synnøve; Oehme, Maike Marlene; Sørensen, Mette; Gaojie, He; Lygren, Ingolf; Åsgård, Torbjørn Einar

2011

Nutritional value of feeds with different physical qualities

Aas, Turid Synnøve; Terjesen, Bendik Fyhn; Sørensen, Mette; Oehme, Maike Marlene; Sigholt, Trygve; Hillestad, Marie; Holm, Jørgen; Åsgård, Torbjørn Einar

2009

Feed pellet durability in pneumatic conveying systems for fish farming

Sørensen, Mette; He, Gaojie; Oehme, Maike Marlene; Åsgård, Torbjørn Einar; Storebakken, Trond; Aas, Turid Synnøve

2008

Feed intake, growth and nutrient utilization in Atlantic halibut (Hippoglossus hippoglossus) fed diets containing a bacterial protein meal

Aas, Turid Synnøve; Hatlen, Bjarne; Grisdale-Helland, Barbara; Terjesen, Bendik Fyhn; Penn, Michael H; Bakke-McKellep, Anne Marie; Helland, Ståle

2007

Effects of diets containing a bacterial protein meal on growth and feed utilisation in rainbow trout (Oncorhynchus mykiss)

Aas, Turid Synnøve; Hatlen, Bjarne; Grisdale-Helland, Barbara; Terjesen, Bendik Fyhn; Bakke-McKellep, Anne-Marie; Helland, Ståle

2006

Purine-induced expression of urate oxidase and enzyme activity in Atlantic salmon (Salmo salar) - Cloning of urate oxidase liver cDNA from three teleost species and the African lungfish Protopterus annectens

Andersen, Øivind; Aas, Turid Synnøve; Skugor, Stanko; Takle, Harald Rune; van Nes, Solveig; Grisdale-Helland, Barbara; Helland, Ståle; Terjesen, Bendik Fyhn

2006

Improved growth and nutrient utilisation in Atlantic salmon (Salmo salar) fed diets containing a bacterial protein meal

Aas, Turid Synnøve; Grisdale-Helland, Barbara; Terjesen, Bendik Fyhn; Helland, Ståle

2006

konfidensiell

Helland, Ståle; Grisdale-Helland, Barbara; Refstie, Ståle; Aas, Turid Synnøve; Mysterud, B

2002