Bjarne Hatlen

As a senior scientist within Nutrition and feed technology in Nofima, I am working within different fields of practical nutrition, such as feed formulation, raw material evaluation and protein utilization, mainly in Atlantic salmon. Recently, I have been increasingly involved in projects on dietary oil sources and utilization of omega-3 fatty acids. I am a diploma engineer in biotechnology from the Norwegian University of Science and Technology in Trondheim (1990) and have a PhD in aquaculture biology from the University of Tromsø (1997). I have been in Nofima since 2004.

Nutrition and feed technology

See publications in Cristin

My Projects

Chicken meal for salmon

Utilisation of residual raw materials from chicken as a protein source in salmon feed

2024 - 2027

Pigmentation in salmon

How feed controls pigmentation in salmon

2020 - 2024

NewTechAqua

New solutions for sustainable aquaculture research and innovation

2020 - 2024

AquaIMPACT

More robust, healthy, nutritious and resource-efficient fish in European aquaculture

2019 - 2023

My publications

Bjarne Hatlen has 54 publications at Nofima:

My Projects

Utilisation of residual raw materials from chicken as a protein source in salmon feed

How feed controls pigmentation in salmon

New solutions for sustainable aquaculture research and innovation

More robust, healthy, nutritious and resource-efficient fish in European aquaculture

My publications

Dietary Content of Plant Ingredients and Phospholipids Affects Astaxanthin Utilization and Lipid Deposition in Atlantic Salmon (Salmo salar L.)

Genetic and phenotypic validation of whole body fat content measured across production phases of Atlantic salmon using dielectric and near infrared Interactance spectroscopy

Kunnskapskartlegging pigmentering i laks

Validation and genetic parameters of the X-ray method for phenotyping individual feed intake in Atlantic salmon

Digital phenotyping of individual feed intake in Atlantic salmon (Salmo salar) with the X-ray method and image analysis

Tilsetningsstoffer i fôr til laks og regnbueørret – Sluttrapport FoU tillatelser SF HØ 25 og H B 46

Improved fillet quality in harvest-size Atlantic salmon fed high n-3 canola oil as a DHA-source

Future feed resources in sustainable salmonid production: A review

Transcriptome and functional responses to absence of astaxanthin in Atlantic salmon fed low marine diets

Dietary inclusion of Antarctic krill meal during the finishing feed period improves health and fillet quality of Atlantic salmon (Salmo salar L.)

Selection for improved feed efficiency in Atlantic salmon

Effect of feed, temperature and stress on pigmentation in salmon

Increased protein-to-lipid ratio in energy dense diets improves slaughter yields and muscle thickness of different weight classes of farmed Atlantic salmon (Salmo salar L.)

Increased dietary protein-to-lipid ratio improves survival during naturally occurring pancreas disease in Atlantic salmon, Salmo salar L.

Mineral nutrition and bone health in salmonids

Improving production efficiency of farmed Atlantic salmon(Salmo salar L.) by isoenergetic diets with increased dietaryprotein-to-lipid ratio

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

Beste praksis for medikamentfrie metoder for lakseluskontroll (MEDFRI) – Faglig sluttrapport

Different growth performance, lipid deposition, and nutrient utilization in in-season (S1) Atlantic salmon post-smolt fed isoenergetic diets differing in protein-to-lipid ratio

Requirements of n-3 very long-chain PUFA in Atlantic salmon (Salmo salar L): effects of different dietary levels of EPA and DHA on fish performance and tissue composition and integrity

The effect of low inclusion levels of Antarctic krill (Euphausia superba) meal on growth performance, apparent digestibility and slaughter quality of Atlantic salmon (Salmo salar)

Effekter av endret fettsyresammensetning i fôr til laks relatert til fiskens helse, velferd og robusthet (Fett for fiskehelse): Oppdatering 2016

Styrt fettsyresammensetning i fôr for å forebygge utbrudd av viktige virussykdommer i laks

Growth, feed utilization and endocrine responses in Atlantic salmon (Salmo salar) fed diets added poultry by-product meal and blood meal in combination with poultry oil

Including processed poultry and porcine by-products in diets high in plant ingredients reduced liver TAG in Atlantic salmon, Salmo salar L.

Sexual maturation and administration of 17β-estradiol and testosterone induce complex gene expression changes in skin and increase resistance of Atlantic salmon to ectoparasite salmon louse

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

Residue levels of enrofloxacin and ciprofloxacin in processed animal by-products used in Atlantic salmon feeds and their long-term carry-over to the edible part of the fish

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

Growth performance, feed utilization and product quality in slaughter size Atlantic salmon (Salmo salar L.) fed a diet with porcine blood meal, poultry oil and salmon oil

Physical treatment of high EPA Yarrowia lipolytica biomass increases the availability of n-3 highly unsaturated fatty acids when fed to Atlantic salmon

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

Growth performance, feed utilisation and fatty acid deposition in Atlantic salmon, Salmo salar L., fed graded levels of high-lipid/high-EPA Yarrowia lipolytica biomass

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

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

Dietary lysine requirement and efficiency of lysine utilization for growth of Atlantic cod

Energy, protein and amino acid requirements for maintenance and efficiency of utilization for growth of Atlantic salmon post-smolts determined using increasing ration levels

Energy and nitrogen partitioning in 250 g Atlantic cod (Gadus morhua L.) given graded levels of feed with different protein and lipid content

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

Growth variation and fin damage in Atlantic cod (Gadus morhua L.) fed at graded levels of feed restriction

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

Growth, feed utilization and body composition in two size groups of Atlantic halibut (Hippoglossus hippoglossus) fed diets differing in protein and carbohydrate content

Rapid quantification of carotenoids and fat in Atlantic salmon (Salmo salar L.) by Raman spectroscopy and chemometrics

Carotenoid and lipid content in muscle of Atlantic salmon, Salmo salar, transferred to seawater as 0+ or 1+ smolts

Astaxanthin and its metabolites idoxanthin and crustaxanthin in flesh, skin, and gonads of sexually immature and maturing Arctic charr (Salvelinus alpinus (L.))

Deposition of astaxanthin in fillets of Atlantic salmon (Salmo salar) fed diets with herring, capelin, sandeel or Peruvian high PUFA oils

Astaxanthin deposition in fillets of atlantic salmon Salmo salar L. fed two dietary levels of astaxanthin in combination with three levels of alpha-tocopheryl acetate

Cultivation of Arctic charr: an update

Relationships between carotenoid concentration and colour of fillets of Arctic charr, Salvelinus alpinus (L.), fed astaxanthin

Carotenoid pigmentation in relation to feed intake, growth and social interactions in Arctic charr (Salvelinus alpinus L.) from two different anadromous strains

Idoxanthin, a major carotenoid in the flesh of Arctic charr (Salvelinus alpinus) fed diets containing astaxanthin

Muscle carotenoid concentrations in sexually maturing and immature Arctic charr, Salvelinus alpinus (L.)

Pigmentation of 1, 2 and 3 year old Arctic charr (Salvelinus alpinus) fed two different dietary astaxanthin concentrations

Myofibrillar proteins in skeletal muscles of parr, smolt and adult atlantic salmon (Salmo salar, L.). Comparison with another salmonid, the arctic charr Salvelinus alpinus (L.)