2025
Effect of temperature on growth, expression of growth regulating genes, and deformity development of juvenile European plaice (Pleuronectes platessa).
Østervold, M., Imsland, A.K.D., Yilmaz, O., Fjelldal, P.G., Mangor-Jensen, R., Siapazis, C., Mangor-Jensen, A., Norberg, B.
Aquaculutre
2024
Loss of bmp15 function in the seasonal spawner Atlantic salmon results in ovulatory failure
Crespo, D., Fjelldal, P.G, Hansen, T.J., Kjærner- Semb, E., Skaftnesmo, K. O., Thorsen, A., Norberg, B., Edvardsen, R.B., Andersson, E., Schulz, R.W.,Wargelius, A., Kleppe, L.
The FASEB Journal
38
p. e23837
2024
Loss of Fshr prevents testicular maturation in Atlantic salmon (Salmo salar L.).
Andersson, E., Schulz, R.W., Almeida, F., Kleppe, L., Skaftnesmo, K.O., Kjærner-Semb, E., Crespo, D., Fjelldal, P.G., Hansen, T.J., Norberg, B., Edvardsen, R.B., Wargelius, A.
Endocrinology
165
2024
Loss of bmp15 function in the seasonal spawner Atlantic salmon results in ovulatory failure
Diego Crespo, Per Gunnar Fjelldal, Tom Johnny Hansen, Erik Nordtorp Kjærner-Semb, Kai Ove Skaftnesmo, Anders Thorsen, Birgitta Norberg, Rolf Brudvik Edvardsen, Eva Andersson, Rüdiger W. Schulz, Anna Wargelius, Lene Kleppe
The FASEB Journal
38
2024
Genetic analyses verify sexually mature escaped farmed Atlantic cod and farmed cod eggs in the natural environment
Per Erik Jorde, Terje van der Meeren, María Quintela, Geir Dahle, Alejandro Mateos-Rivera, Marit Aase, Birgitta Norberg, Pål Næverlid Sævik, Pål Arne Bjørn, Kevin Alan Glover
Evolutionary Applications
17
2024
The role of multiple vitellogenins in early development of fishes
Ozlem Yilmaz, Craig V. Sullivan, Julien Bobe, Birgitta Norberg
General and Comparative Endocrinology
351
2024
The role of multiple vitellogenins in early development of fishes.
Yilmaz, O., Sullivan, C.V., Bobe, J., Norberg, B
Gen. Comp. Endocrinol.
2024
Genetic analyses verify sexually mature escaped farmed Atlantic cod and farmed cod eggs in the natural environment
Jorde, P.E., van der Meeren, T., Quintela, M., Dahle, G., Mateos-Rivera, A., Aase, M., Norberg, B., Sævik, P.N., Bjørn. P.A., and Glover, K.A.
Evolutionary Applications
2024
Loss of Fshr Prevents Testicular Maturation in Atlantic Salmon (Salmo salar L.)
Eva Andersson, Rüdiger W. Schulz, Fernanda Almeida, Lene Kleppe, Kai Ove Skaftnesmo, Erik Nordtorp Kjærner-Semb, Diego Crespo, Per Gunnar Fjelldal, Tom Johnny Hansen, Birgitta Norberg, Rolf Brudvik Edvardsen, Anna Wargelius
Endocrinology
165
2023
Interaction of temperature and photoperiod on male postsmolt maturation of Atlantic salmon (Salmo salar L.)
Enrique Pino Martinez, Pablo Balseiro, Mitchell S. Fleming, Sigurd O. Stefansson, Birgitta Norberg, Albert Kjartan Dagbjartarson Imsland, Sigurd O. Handeland
Aquaculture
568
2023
Interaction of temperature and photoperiod on male postsmolt maturation of Atlantic salmon (Salmo salar L.)
Enrique Pino Martinez, Pablo Balseiro Vigo, Mitchell Stewart Fleming, Sigurd Olav Stefansson, Birgitta Norberg, Albert Imsland, Sigurd Olav Handeland
Aquaculture
568
2023
Functional Evolution of Clustered Aquaporin Genes Reveals Insights into the Oceanic Success of Teleost Eggs
Alba Ferré, Francois Chauvigné, Anna Vlasova, Birgitta Norberg, Luca Bargelloni, Roderic Guigó, Roderick Nigel Finn, Joan Cerdà
Molecular Biology and Evolution (MBE)
40
2023
Interaction of temperature and feed ration on male postsmolt maturation of Atlantic salmon (Salmo salar L.)
Enrique Pino Martinez, Pablo Balseiro Vigo, Sigurd Olav Stefansson, Nobuto Kaneko, Birgitta Norberg, Mitchell Stewart Fleming, Albert Imsland, Sigurd Olav Handeland
Aquaculture
562
2023
Atlantic salmon male post-smolt maturation can be reduced by using a 3-hour scotophase when inducing smoltification
Thomas Fraser, Tom Johnny Hansen, Birgitta Norberg, Tom Ole Nilsen, Rüdiger W. Schulz, Per Gunnar Fjelldal
Aquaculture
562
2022
Heterochiasmy and the establishment of gsdf as a novel sex determining gene in Atlantic halibut
Rolf Brudvik Edvardsen, Ola Wallerman, Tomasz Furmanek, Lene Kleppe, Patric Jern, Andreas Wallberg, Erik Nordtorp Kjærner-Semb, Stig Mæhle, Sara Olausson, Elisabeth Sundström, Torstein Harboe, Ragnfrid Mangor-Jensen, Margareth Møgster Drønen, Prescilla Perrichon, Birgitta Norberg, Carl-Johan Rubin
PLoS Genetics
18
2022
Long-term feeding of Atlantic salmon with varying levels of dietary EPA+DHA alters the mineral status, but does not affect the stress responses after mechanical delousing stress
Chandrasekar Selvam, P. Antony Jesu Prabhu, Esmail Lutfi Royo, Trygve Sigholt, Birgitta Norberg, Grete Bæverfjord, Grethe Rosenlund, Bente Synnøve Ruyter, Nini Sissener
British Journal of Nutrition
128
p. 2291-2307
2022
Pituitary Gonadotropin Gene Expression During Induced Onset of Postsmolt Maturation in Male Atlantic Salmon: In Vivo and Tissue Culture Studies
Diego Crespo, Kai Ove Skaftnesmo, Erik Nordtorp Kjærner-Semb, Ozlem Yilmaz, Birgitta Norberg, Sara Olausson, Petra Vogelsang, Jan Bogerd, Lene Kleppe, Rolf Brudvik Edvardsen, Eva Andersson, Anna Wargelius, Tom Johnny Hansen, Per Gunnar Fjelldal, Rüdiger W. Schulz
Frontiers in Endocrinology
13
2022
Full production cycle performance of gene-edited, sterile Atlantic salmon - growth, smoltification, welfare indicators and fillet composition
Lene Kleppe, Per Gunnar Fjelldal, Eva Andersson, Tom Johnny Hansen, Monica Sanden, Aina Bruvik, Kai Ove Skaftnesmo, Tomasz Furmanek, Erik Nordtorp Kjærner-Semb, Diego Crespo, Simon Flavell, Audun Østby Pedersen, Petra Vogelsang, Anja Torsvik, Karen Anita Kvestad, Sara Olausson, Birgitta Norberg, Rüdiger W. Schulz, J. Bogerd, N. Santi, Rolf Brudvik Edvardsen, Anna Wargelius
Aquaculture
560
2022
Quantitative proteome profiling reveals molecular hallmarks of egg quality in Atlantic halibut: impairments of transcription and protein folding impede protein and energy homeostasis during early development
Ozlem Yilmaz, Anders Mangor-Jensen, Torstein Harboe, Margareth Møgster Drønen, Ragnfrid Mangor-Jensen, Olav Mjaavatten, Even Birkeland, Endy Spriet, Linda Sandven, Tomasz Furmanek, Frode Steingrimsen Berven, Anna Wargelius, Birgitta Norberg
BMC Genomics
23
2022
The Piwil1 N domain is required for germ cell survival in Atlantic salmon
Fernanda Loureiro Almeida, Kai Ove Skaftnesmo, Eva Andersson, Lene Kleppe, Rolf Brudvik Edvardsen, Birgitta Norberg, Per Gunnar Fjelldal, Tom Johnny Hansen, Rüdiger W. Schulz, Anna Wargelius
Frontiers in Cell and Developmental Biology
10
2022
Lumpfish Cyclopterus lumpus reproduction: Pituitary gene expression, physiological and morphological changes accompanying gonadal maturation
Eva Andersson, Elsa Denker, Birgitta Norberg, Rüdiger W. Schulz, Sara Olausson, Anders Thorsen, Sigurd Olav Stefansson, Albert Imsland
Aquaculture
566:739162
p. 1-15
2022
Pituitary gonadotropin gene expression during induced onset of postsmolt maturation in male Atlantic salmon: in vivo and tissue culture studies
Crespo, D., Skaftnesmo, K.O., Kjærner-Semb, E., Yilmaz, Ö., Norberg, B., Olausson, S., Vogelsang, P., Bogerd, J., Kleppe, L., Edvardsen, R.B., Andersson, E., Wargelius, A., Hansen, T.J., Fjelldal, P.G., and Schulz, R.W
Front. Endocrinol. – Reproduction
2022
Long-term feeding of Atlantic salmon with varying levelse of dietary EPA+DHA alters the mineral status, but does not affect the stress response after mechanical delousing stress
Chandrasekar, S., Prabhu, A.J., Lutfi, E., Sigholt, T., Norberg, B., Bæverfjord, G., Rosenlund, G., Ruyter, B., and Sissener, N
British Journal of Nutrition
p. 1-42
2022
Heterochiasmy and the establishment of gsdf as a novel sex determining gene in Atlantic halibut.
Edvardsen, R.B., Wallerman, O., Furmanek, T., Kleppe, L., Jern, P., Wallberg, A., Kjaerner-Semb, E., Maehle, S., Olausson, S.K., Sundstrom, E., Harboe, T., Mangor-Jensen, R., Mogster, M., Perrichon, P., Norberg, B., and Rubin, C-J
PLOS Genetics
February 2022
2021
Loss of stra8 Increases Germ Cell Apoptosis but Is Still Compatible With Sperm Production in Atlantic Salmon (Salmo salar)
Kai Ove Skaftnesmo, Diego Crespo, Lene Kleppe, Eva Andersson, Rolf Brudvik Edvardsen, Birgitta Norberg, Per Gunnar Fjelldal, Tom Johnny Hansen, Rüdiger W. Schulz, Anna Wargelius
Frontiers in Cell and Developmental Biology
9
2021
The stress response in Atlantic salmon (Salmo salar L.): identification and functional characterization of the corticotropin-releasing factor (crf) paralogs
Floriana Lai, Muhammad Rahmad Royan, Ana S. Gomes, Marit Espe, Anders Aksnes, Birgitta Norberg, Virginie Gelebart, Ivar Rønnestad
General and Comparative Endocrinology
313
p. 1-13
2021
The lipid metabolism of Atlantic halibut (Hippoglossus hippoglossus, L.) larvae determined by 14C in vivo incubations
Diana B. Reis, José A. Pérez, Kristin Hamre, Nieves G. Acosta, Birgitta Norberg, Torstein Harboe, Covadonga Rodríguez
Aquaculture
540
p. 1-9
2021
Insulin-like 3 affects zebrafish spermatogenic cells directly and via Sertoli cells
Diego Crespo, Luiz H. C. Assis, Yu Ting Zhang, Diego Safian, Tomasz Furmanek, Kai Ove Skaftnesmo, Birgitta Norberg, Wei Ge, Yung-Ching Choi, Marjo J. den Broeder, Juliette Legler, Jan Bogerd, Rüdiger W Schulz
Communications Biology
4
p. 1-13
2021
Can improved nutrition for Atlantic salmon in freshwater increase fish robustness, survival and growth after seawater transfer?
Nini Sissener, Kristin Hamre, Per Gunnar Fjelldal, P. Antony Jesu Philip, Marit Espe, L. Miao, Erik Höglund, Christina Sørensen, Kaja Skjærven, Elisabeth Holen, S. Subramanian, V. Vikeså, Birgitta Norberg, Sofie Remø
Aquaculture
542
2021
). Insulin-like 3 affects zebrafish spermatogenic cells directly and via Sertoli cells.
Crespo, D., Assis, L., Zhang, Y.T., Safian, D., Furmanek, T., Skaftnesmo, K.O., Norberg, B., Ge, W., Choi, Y-C., den Broeder, M., Legler, J., Bogerd, J., and Schulz, R.W.
Comm. Biol
4
p. Article no 4
2020
Change in nutrient composition of Artemia grown for 3–4 days and effects of feeding on-grown Artemia on performance of Atlantic halibut (Hippoglossus hippoglossus, L.) larvae
Kristin Hamre, Børre Erstad, Jori de Kok, Birgitta Norberg, Torstein Harboe
Aquaculture Nutrition
26
p. 1542-1554
2020
Change in nutrient composition in Artemia grown for 3 – 4 days and effects of on-grown Artemia on performance of Atlantic halibut (Hippoglossus hippoglossus L.) larvae.
Hamre, K., Erstad, B., de Kok, J., Norberg, B., and Harboe, T.
Aquaculture Nutrition
26(5)
p. 1542-1554
2020
PGE2 inhibits spermatogonia differentiation in zebrafish: interaction with Fsh and an androgen
Diego Crespo, Moline Lemos, Yu Zhang, Diego Safian, Lena Birgitta Norberg, Jan Bogerd, Rüdiger W. Schulz
Journal of Endocrinology
244
p. 163-175
2019
Entry into puberty is reflected in changes in hormone production but not in testicular receptor expression in Atlantic salmon (Salmo salar)
Rüdiger W. Schulz, Geir Lasse Taranger, Jan Bogerd, Wouter Nijenhuis, Birgitta Norberg, Rune Male, Eva Andersson
Reproductive Biology and Endocrinology
17:48
p. 1-16
2019
Termination of puberty in out-of-season male Atlantic salmon smolts
Thomas Fraser, Per Gunnar Fjelldal, Rüdiger W. Schulz, Birgitta Norberg, Tom Johnny Hansen
Comparative Biochemistry and Physiology A
232
p. 60-66
2019
The use of photoperiods to provide year round spawning in lumpfish Cyclopterus lumpus
Albert Imsland, Thor Arne Hangstad, Thor Magne Jonassen, Sigurd Olav Stefansson, Tom Ole Nilsen, Peter Hovgaard, Tor Anders Elvegård, Ken Ståle Lindberg, Bjørn Mikalsen, Tonje Cecilie Urskog, Birgitta Norberg, Eva Andersson, Frank Spetland, Patrick Reynolds
Comparative Biochemistry and Physiology A
228
p. 62-70
2018
Framtidsrettet matproduksjon i kyst og fjord – En vurdering av muligheter for økt sjømatproduksjon i Norge
Ole Torrissen, Lena Birgitta Norberg, Kiron Viswanath, Tore Strohmeier, Øivind Strand, Lars Johan Naustvoll, Terje Svåsand
Rapport fra havforskningen
2018
Sexual maturation and smoltification in domesticated Atlantic salmon (Salmo salar L.) - is there a developmental conflict?
Per Gunnar Fjelldal, Rüdiger W. Schulz, Tom Ole Nilsen, Eva Andersson, Birgitta Norberg, Tom Johnny Hansen
Physiological Reports
6
p. 1-18
2018
Structural and functional maturation of skin during metamorphosis in the Atlantic halibut (Hippoglossus hippoglossus)
Ricardo N. Alves, Kristina S. Sundell, Liliana Anjos, Henrik Sundh, Torstein Harboe, Birgitta Norberg, Deborah M. Power
Cell and Tissue Research
372
p. 469-492
2017
Sex steroid production associated with puberty is absent in germ cellfree salmon
Lene Kleppe, Eva Andersson, Kai Ove Skaftnesmo, Rolf Edvardsen, Per Gunnar Fjelldal, Birgitta Norberg, Jan Bogerd, Rüdiger W. Schulz, Anna Wargelius
Scientific Reports
7
2017
Effects of dietary arachidonic acid on the reproductive physiology of female Atlantic cod (Gadus morhua L.)
Birgitta Norberg, Lene Kleppe, Eva Andersson, Anders Thorsen, Grethe Rosenlund, Kristin Hamre
General and Comparative Endocrinology
250
p. 21-35
2017
Effects of dietary arachidonic acid on the reproductive physiology og female Atlantic cod
Norberg, B., Kleppe, L., Andersson, E., Thorsen, A., Rosenlund, G., Hamre, K.
General and Comparative Endocrinology
250
p. 21-35
2017
Duplication of Dio3 genes in teleost fish and their divergent expression in skin during flatfish metamorphosis
R.N Alves, J.C.R. Cardoso, Torstein Harboe, R.S.T. Martins, M. Manchado, Birgitta Norberg, D.M. Power
General and Comparative Endocrinology
246
p. 279-293
2017
Timecourse of oocyte development in saithe Pollachius virens
Jon Egil Skjæraasen, Jennifer Ann Devine, Jane Aanestad Godiksen, Merete Fonn, Håkon Magne Otterå, Olav Sigurd Kjesbu, Birgitta Norberg, Øystein Langangen, Ørjan Karlsen
Journal of Fish Biology
90
p. 109-128
2016
Advances in Atlantic halibut (Hippoglossus hippoglossus) research: the DIVERSIFY project
Birgitta Norberg, Torstein Harboe, Audun Helge Nerland, Sonal Patel, Kristin Hamre, Børre Erstad, C.C Mylonas
Special Publications (European Aquaculture Society)
2016
Effects of temperature on the final stages of sexual maturation in Atlantic salmon (Salmo salar L.)
Erik J.M Vikingstad, Eva Andersson, Tom Johnny Hansen, Birgitta Norberg, Ian Mayer, Sigurd Olav Stefansson, Per Gunnar Fjelldal, Geir Lasse Taranger
Fish Physiology & Biochemistry
42
p. 895-907
2015
Environmental impacts on the gonadotropic system in female Atlantic salmon (Salmo salar) during vitellogenesis: Photothermal effects on pituitary gonadotropins, ovarian gonadotropin receptor expression, plasma sex steroids and oocyte growth
Geir Lasse Taranger, Simon Muncaster, Birgitta Norberg, Anders Thorsen, Eva Andersson
General and Comparative Endocrinology
221
p. 86-93
2014
Continuous light affects onset of puberty and associated changes in pituitary gonadotropin subunit transcript levels, and plasma estradiol-17β and testosterone levels in Atlantic cod (Gadus morhua L.) females
Ørjan Karlsen, Christian Mittelholzer, Eva Andersson, Birgitta Norberg, Geir Lasse Taranger
Aquaculture
424-425
p. 95-103
2013
Long-term effect of photoperiod manipulation on growth, maturation and flesh quality in turbot
Albert Imsland, Snorri Gunnarsson, Bjørn Roth, Atle Foss, Soizic Le Deuff, Birgitta Norberg, Helgi Thorarensen, Thomas Helming
Aquaculture
416
p. 152-160
2013
Short-term exposure to continuous light delays sexual maturation and increases growth of Atlantic cod in sea pens
Albert Imsland, Henriette Hansen, Atle Foss, Erik Vikingstad, Bjørn Roth, Marit Bjørnevik, Mark Darryn Powell, Christel Solberg, Birgitta Norberg
Aquaculture Research
44
p. 1665-1676
2013
Pituitary gonadotropin and ovarian gonadotropin receptor transcript levels: Seasonal and photoperiod-induced changes in the reproductive physiology of female Atlantic salmon (Salmo salar)
Eva Andersson, Rüdiger W. Schulz, Rune Male, Jan Bogerd, Danielle Patina, Susana Benedet, Birgitta Norberg, Geir Lasse Taranger
General and Comparative Endocrinology
191
p. 247-258
2013
Natural sex change in the temperate protogynous Ballan wrasse Labrus bergylta
Simon Muncaster, Birgitta Norberg, Eva Andersson
Journal of Fish Biology
82
p. 1858-1870
2013
Cortisol treatment of prespawning female cod affects cytogenesis related factors in eggs and embryos
Lene Kleppe, Ørjan Karlsen, Rolf Edvardsen, Birgitta Norberg, Eva Andersson, Geir Lasse Taranger, Anna Wargelius
General and Comparative Endocrinology
189
p. 84-95
2013
Differential regulation of GnRH ligand and receptor genes in the brain and pituitary of Atlantic cod exposed to different photoperiod
Jon Paul Hildahl, Geir Lasse Taranger, Birgitta Norberg, Trude M Haug, Finn-Arne Weltzien
General and Comparative Endocrinology
180
p. 7-14
2012
Effect of different feeding regimes on growth in juvenile Atlantic cod, Gadus morhua L
Henriette Hanssen, Albert Imsland, Atle Foss, Erik Vikingstad, Marit Bjørnevik, Christel Solberg, Bjørn Roth, Birgitta Norberg, Mark Darryn Powell
Aquaculture
364-365
p. 298-304
2012
Induced sex reversal using an aromatase inhibitor, Fadrozole, in Atlantic halibut (Hippoglossus hippoglossus L.)
Joanna Babiak, Igor Babiak, Solveig van Nes, Torstein Harboe, Trine Haugen, Birgitta Norberg
Aquaculture
324-325
p. 276-280
2012
Sex-biased miRNA expression in Atlantic halibut (Hippoglossus hippoglossus) brain and gonads
Teshome Bizuayehu, Joanna Babiak, Birgitta Norberg, Jorge Fernandes, Steinar Johansen, Igor Babiak
Sexual Development
6
p. 257-266
2012
The effect of dietary lipid content and stress on egg quality in farmed Atlantic cod Gadus morhua
André Sture Bogevik, Silvestre Ramos Natario, Ørjan Karlsen, Anders Thorsen, Kristin Hamre, Grethe Rosenlund, Birgitta Norberg
Journal of Fish Biology
81
p. 1391-1405
2011
The production of hermaphrodites of Atlantic cod (Gadus morhua) by masculinization with orally administered 17-α-methyltestosterone, and subsequent production of all-female cod
Trine Haugen, Eva Andersson, Birgitta Norberg, Geir Lasse Taranger
Aquaculture
311
p. 248-254
2011
Dual Neofunctionalization of a Rapidly Evolving Aquaporin-1 Paralog Resulted in Constrained and Relaxed Traits Controlling Channel Function during Meiosis Resumption in Teleosts
Cinta Zapater, François Chauvigné, Birgitta Norberg, Roderick Nigel Finn, Joan Cerdà
Molecular Biology and Evolution (MBE)
28
p. 3151-3169
2011
Four gonadotropin releasing hormone receptor genes in Atlantic cod are differentially expressed in the brain and pituitary during puberty
Jon Hildahl, Guro Katrine Sandvik, Rolf Edvardsen, Birgitta Norberg, Trude M Haug, Finn-Arne Weltzien
General and Comparative Endocrinology
173
p. 333-345
2011
Identification and gene expression analysis of three GnRH genes in female Atlantic cod during puberty provides insight into GnRH variant gene loss in fish
Jon Hildahl, Guro Katrine Sandvik, Rolf Edvardsen, Cathrine Elisabeth Fagernes, Birgitta Norberg, Trude M Haug, Finn-Arne Weltzien
General and Comparative Endocrinology
172
p. 458-467
2010
The reproductive cycle of female Ballan wrasse, Labrus bergylta, in high latitude, temperate waters
Simon Muncaster, Eva Andersson, Olav Sigurd Kjesbu, Geir Lasse Taranger, Anne Berit Skiftesvik, Birgitta Norberg
Journal of Fish Biology
p. 494-511
2010
Control of puberty in farmed fish
Geir Lasse Taranger, Manuel Carrillo, Rüdiger W. Schulz, Pascal Fontaine, Silvia Zanuy, Alicia Felip, Finn-Arne Weltzien, Sylvie Dufour, Ørjan Karlsen, Birgitta Norberg, Eva Andersson, Tom Hansen
General and Comparative Endocrinology
165
p. 483-515
2010
The reproductive cycle of female Ballan wrasse Labrus bergylta in high latitude, temperate waters
Simon Muncaster, E Andersson, Olav S Kjesbu, Geir Lasse Taranger, Anne Berit Skiftesvik, B Norberg
Journal of Fish Biology
77
p. 494-511
2009
Quantification of gonadotropin subunits GP alpha, FSH beta, and LH beta mRNA expression from Atlantic cod (Gadus morhua) throughout a reproductive cycle
C Mittelholzer, Eva Andersson, Geir Lasse Taranger, Ørjan Karlsen, Birgitta Norberg
Comparative Biochemistry and Physiology - Part B: Biochemistry & Molecular Biology
153
p. 288-295
2009
Molecular characterization and quantification of the gonadotropin receptors FSH-R and LH-R from Atlantic cod (Gadus morhua)
Christian Mittelholzer, Eva Andersson, Geir Lasse Taranger, D Consten, T Hirai, B Senthilkumaran, Y Nagahama, Birgitta Norberg
General and Comparative Endocrinology
160
p. 47-58
2009
Photoperiod-modulated testis maturation in Atlantic cod (Gadus morhua, L.)
Fernanda Ferreira Loureiro de Almeida, Geir Lasse Taranger, Birgitta Norberg, Ørjan Karlsen, Jan Bogerd, Rüdiger W. Schulz
Biology of Reproduction
80
p. 631-640
2009
Long-term effect of photoperiod manipulation on growth, maturation and flesh quality in Atlantic halibut
Albert Imsland, Bjørn Roth, Atle Foss, Erik J.M Vikingstad, Sigurd Olav Stefansson, Skjalg Pedersen, Trond Sandvik, Birgitta Norberg
Aquaculture Research
40
p. 1260-1269
2009
Compensatory growth in Atlantic halibut: Effect of starvation and subsequent feeding on growth, maturation, feed utilization and flesh quality
Atle Foss, Albert Imsland, Erik J.M Vikingstad, Sigurd Olav Stefansson, Birgitta Norberg, Skjalg Pedersen, Trond Sandvik, Bjørn Roth
Aquaculture
290
p. 304-310
2008
Effects of a high plant protein diet on the somatotropic system and cholecystokinin in Atlantic salmon (Salmo salar L.).
Hevrøy, E. M., El-Mofawi, A., Taylor, R., Norberg, B. and Espe, M.
Comp. Biochem. Physiol. A
151
p. 621-627.
2008
Vitellogenin, steroid plasma levels and spawning performance of cultured female Senegalese sole (Solea senegalensis).
Guzman, J. M., Norberg, B., Ramos, J., Mylonas, C.C. and Mañanos, E. (2008).
Gen. Comp. Endocrinol.
156
p. 285-297
2008
Restricted fish feeding reduces cod otolith opacity
Hans Høie, Arild Folkvord, Henrik Mosegaard, Lingbo Li, Lise A. Worsøe Clausen, Birgitta Norberg, Audrey Geffen
Journal of Applied Ichthyology
24
p. 138-143
2008
Plasma insulin-like growth factor-I concentrations and growth in juvenile halibut (Hippoglossus hippoglossus): Effects of photoperiods and feeding regimes
Albert Imsland, Atle Foss, Bjørn Roth, Sigurd Stefansson, Erik J.M Vikingstad, Skjalg Pedersen, Trond Sandvik, Birgitta Norberg
Comparative Biochemistry and Physiology A
151
p. 66-70
2008
The combined effects of temperature and GnRHa treatment on the final stages of sexual maturation in Atlantic salmon (Salmo salar L.) females
Erik J.M Vikingstad, Eva Andersson, Birgitta Norberg, Ian Mayer, Ulrike Klenke, Yonathan Zohar, Sigurd Olav Stefansson, Geir Lasse Taranger
Fish Physiology & Biochemistry
34
p. 289-298
2007
Effects of alkylphenols on the reproductive system of Atlantic cod (Gadus morhua)
Sonnich Meier, Tom Einar Andersen, Birgitta Norberg, Anders Thorsen, Geir Lasse Taranger, Olav Sigurd Kjesbu, Roy Dale, Hugh Craig Morton, Jarle Klungsøyr, Asbjørn Svardal
Aquatic Toxicology
81
p. 207-218
2007
Lysine intake affects gene expression of anabolic hormones in Atlantic salmon (Salmo salar).
Hevrøy, E. M., El-Mofawi, A., Taylor, R., Olsvik, P. A., Norberg, B. and Espe, M.
Gen. Comp. Endocrinol.
152
p. 39-46
2007
Effects of alkylphenols on the reproductive system of Atlantic cod (Gadus morhua).
Meier, S., Andersen, T.E., Norberg, B., Thorsen, A., Taranger, G.L., Kjesbu, O.S., Dahle, R., Morton, H.C., Klungsøyr, J. and Svardal, A.
Aquat. Toxicol
81
p. 207-218
2007
20b-HSD and CYP19A1 are differentially expressed during maturation in Atlantic cod (Gadus morhua)
Christian Mittelholzer, Eva Andersson, D Consten, T Hirai, Y Nagahama, Birgitta Norberg
Journal of Molecular Endocrinology
39
p. 319-328
2006
Using global genome approaches to address problems in cod mariculture.
Goetz F. W., McCauley L., Goetz G. W. and Norberg B.
ICES J. Mar. Sci.
63
p. 393-399
2006
Effects of photoperiod and exercise on growth, liver size, and age at puberty in farmed Atlantic cod (Gadus morhua L.)
Ørjan Karlsen, Birgitta Norberg, Olav Sigurd Kjesbu, Geir Lasse Taranger
ICES Journal of Marine Science
63
p. 355-364
2006
Compensatory growth and fillet crude composition in juvenile Atlantic halibut: Effects of short term starvation periods and subsequent feeding
Andreas Heide, Atle Foss, Sigurd Stefansson, Ian Mayer, Birgitta Norberg, Bjørn Roth, Mads D. Jenssen, Ragnar Nortvedt, Albert Imsland
Aquaculture
261
p. 109-117
2006
Growth, feed conversion efficiency and growth heterogeneity in Atlantic halibut (Hippoglossus hippoglossus) reared at three different photoperiods
Albert Imsland, Atle Foss, Sigurd Stefansson, Ian Mayer, Birgitta Norberg, Bjørn Roth, Mads D. Jenssen
Aquaculture Research
37
p. 1099-1106
2004
Characterization of the cod (Gadus morhua) Steroidogenic Acute Regulatory (StAR) Protein sheds light on StAR gene structure in fish.
Goetz F W, Norberg B, McCauley L and Iliev D.
Comp. Biochem. Physiol. B
137
p. 351-362.
2004
The effect of photoperiod on sexual maturation, appetite and growth in wild atlantic cod (Gadus morhua L)
Jon Egil Skjæraasen, Anne Gro Vea Salvanes, Ørjan Karlsen, Geir Dahle, Trygve Nilsen, Birgitta Norberg
Fish Physiology & Biochemistry
30
p. 163-174
2004
The brain-pituitary-gonad axis in male teleosts, with special emphasis on the flatfish (Pleuronectiformes)
Finn-Arne Weltzien, Eva Andersson, Øivind Andersen, K Schalchian-Tabrizi, Birgitta Norberg
Comparative Biochemistry and Physiology - Part A: Comparative Physiology
137
p. 447-477
2004
The brain-pituitary-gonad axis in male teleosts, with special emphasis on flatfish (pleuronectiformes)
FA Weltzien, E Andersson, O Andersen, Kamran Shalchian-Tabrizi, B Norberg
Comparative Biochemistry and Physiology A
137
p. 447-477
2004
Effects of photoperiod, temperature and GnRHa treatment on the reproductive physiology of Atlantic salmon (Salmo salar L.) broodstock
GL Taranger, Erik J.M Vikingstad, U Klenke, Ian Mayer, Sigurd Stefansson, Birgitta Norberg, Tone Hansen, Y Zohar, E Andersson
Fish Physiology & Biochemistry
28
p. 403-406
2004
Photoperiod regulates the timing of sexual maturation, spawning, sex steroid and thyroid hormone profiles in the Atlantic cod (Gadus morhua)
Birgitta Norberg, Christopher L. Brown, Olafur Halldorsson, Kjetil Stensland, Björn Thrandur Björnsson
Aquaculture
229
p. 451-467
2003
Molecular characterization and expression of FSHbeta, LHbeta, and common alpha-subunit in male Atlantic halibut (hippoglossus hippoglossus)
Finn-Arne Weltzien, Øivind Andersen, Tamae Kobayashi, Eva Andersson, Birgitta Norberg
General and Comparative Endocrinology
131
p. 87-96
2003
Gonadal development and associated changes in relative liver size and sexual steroids during the reproductive cycle of captive male and female Atlantic cod (Gadus morhua L.)
Roy Dahle, Geir Lasse Taranger, Ørjan Karlsen, Olav Sigurd Kjesbu, Birgitta Norberg
Comparative Biochemistry and Physiology - Part A: Comparative Physiology
136
p. 641-653
2003
Effects of photoperiod, temperature and GnRHa treatment on the reproductive physiology of Atlantic salmon (Salmo salar L.) broodstock
Geir Lasse Taranger, E. Vikingstad, U Klenke, Ian Mayer, S.O Stefansson, Birgitta Norberg, Tom Johnny Hansen, Y Zohar, Eva Andersson
Fish Physiology & Biochemistry
28
p. 403-406
2003
Molecular characterization and expression of FSHbeta, LHbeta, and common alpha-subunit in male Atlantic halibut (hippoglossus hippoglossus)
Finn-Arne Weltzien, Tamae Kobayashi, Eva Andersson, Birgitta Norberg, Øivind Andersen
General and Comparative Endocrinology
131
p. 87-96
2003
Identification and localization of eight distinct hormone-producing cell types in the pituitary of male Atlantic halibut (hippoglossus hippoglossus)
Finn-Arne Weltzien, Øivind Andersen, Birgitta Norberg, Jon Vidar Helvik, Penny Swanson, Eva Andersson
Comparative Biochemistry and Physiology A
134
p. 315-327
2003
Isolation and characterization of FSH and LH from pituitary glands of Atlantic halibut (Hippoglossus hippoglossus L.)
Finn-Arne Weltzien, Birgitta Norberg, Penny Swanson
General and Comparative Endocrinology
131
p. 97-105
2003
Growth patterns and plasma levels of testoterone, 11-ketotestosterone, and IGF-1 in male Atlantic halibut (Hippoglossus hippoglossus) from juvenile stages throughout sexual development
Finn-Arne Weltzien, Ørjan Karlsen, Birgitta Norberg
Fish Physiology & Biochemistry
28
p. 227-228
2002
Different iodine and thyroid hormone levels between Atlantic halibut larvae fed wild zooplankton or Artemia from first exogenous feeding until post metamorphosis
J.S. Solbakken, Marc Berntssen, Birgitta Norberg, Karin Pittman, Kristin Hamre
Journal of Fish Biology
61
p. 1345-1362
2002
Different iodine and thyroid hormone levels between Atlantic halibut larvae fed wild zooplankton or Artemia from first exogenous feeding until post metamorphosis.
Solbakken J S, Berntssen M H G, Norberg B, Pittman K and Hamre K
J Fish Biol.
61
p. 1345-1362
2002
In vivo oocyte hydration in Atlantic halibut (Hippoglossus hippoglossus). Proteolytic liberation of free amino acids, and ion transport are driving forces for osmotic water influx
Roderick Nigel Finn, Gunn Østby, Birgitta Norberg, Hans Jørgen Fyhn
Journal of Experimental Biology
205
p. 211-224
2002
Kinetics and fates of ammonia, urea, and uric acid during oocyte maturation and ontogeny of Atlantic halibut (Hippoglossus hippoglossus L.)
Bendik Fyhn Terjesen, Roderick Nigel Finn, Birgitta Norberg, Ivar Rønnestad
Comparative biochemistry and physiology. B. Comparative biochemistry
131A
p. 443-455
2002
Spermatogenesis and related plasma androgen levels in Atlantic halibut (Hippoglossus hippoglossus L.)
Finn-Arne Weltzien, Geir Lasse Taranger, Ørjan Karlsen, Birgitta Norberg
Comparative Biochemistry and Physiology A
132
p. 567-575
2001
Effects of photoperiod on sexual maturation and somatic growth in male Atlantic halibut (Hippoglossus hippoglossus L.)
Birgitta Norberg, Finn-Arne Weltzien, Ørjan Karlsen, Jens Christian Holm
Comparative Biochemistry and Physiology - Part B: Biochemistry & Molecular Biology
129
p. 357-365
2000
Environmental influences on melatonin secretion in Atlantic cod (Gadus morhua L.) and their relevance to commercial culture
Mark Porter, Sigurd Olav Stefansson, Gunnar Nyhammer, Ørjan Karlsen, Birgitta Norberg, Nial Bromage
Fish Physiology & Biochemistry
23
p. 191-200
2000
Detection and basic properties of carbamoyl phosphate synthetase III during teleost ontogeny: a case study in the Atlantic halibut (Hippoglossus hippoglossus L.)
Bendik Fyhn Terjesen, I Rønnestad, Birgitta Norberg, Paul M. Anderson
Comparative Biochemistry and Physiology - Part B: Biochemistry & Molecular Biology
126
p. 521-535
1999
Thyroxine as a mediator in the metamorphosis of Atlantic halibut (Hippoglossus hippoglossus L.).
Solbakken J S, Norberg B, Watanabe K and Pittman K
Env. Biol. Fish.
56
p. 53-65.
1999
Yolk protein hydrolysis and oocyte free amino acids as key features in the adaptive evolution of teleost fishes to seawater
HJ Fyhn, RN Finn, M Reith, Birgitta Norberg
Sarsia
84
p. 451-456
1998
Photoperiod control of sexual maturation of the Atlantic halibut (Hippoglossus hippoglossus): Plasma thyroid hormone and calcium levels.
Bjørnsson B Th, Halldorsson O, Haux C, Norberg B and Brown C. L. .
Aquaculture
166
p. 117-140
1997
Isolation, characterization and radioimmunoassay of Atlantic halibut somatolactin and plasma levels during stress and reproduction in flatfish.
Johnson L L, Norberg B, Willis M. L, Zebrowski H and Swanson P
Gen. Comp. Endocrinol.
105
p. 194-209.
1996
Oocyte size and structure in relation to blood plasma steroid hormones in individually monitored, spawning Atlantic cod
Olav Sigurd Kjesbu, Harald Kryvi, Birgitta Norberg
Journal of Fish Biology
49
p. 1197-1215
1996
Oocyte size and structure in relation to blood plasma steroid hormones in individually monitored, spawning Atlantic cod (Gadus morhua L.)
Kjesbu O S, Kryvi H and Norberg B
J. Fish Biol.
49(6)
p. 1197-1215.
1996
Successful first feeding of Atlantic halibut (Hippoglossus hippoglossus) larvae from a photoperiod adjusted broodstock.
Næss T, Harboe T, Mangor-Jensen A, Naas K E & Norberg B
Prog. Fish Cult.
58
p. 212-214
1996
Fatty-acid composition of ovulated eggs from wild and cultured turbot (Scophtalmus maximus) in relation to yolk and oil globule lipids
Silversand C, Norberg B and Haux C
Mar. Biol.
125
p. 269-278
1995
Atlantic halibut (Hippoglossus hippoglossus) vitellogenin: Induction, isolation and partial characterization.
Norberg B
Fish Physiol. Biochem
14(1)
p. 1-13.
1994
Isolation, partial characterization, induction, and the occurence in plasma of the major vitelline envelope proteins in the Atlantic halibut (Hippoglossus hippoglossus) during sexual maturation.
Hyllner S J, Norberg B and Haux C.
Can. J. Fish. Aquat. Sci
51(8)
p. 1700-1707
1992
Seasonal reproduction and plasma sex steroid and vitellogenin levels in Atlantic halibut (Hippoglossus hippoglossus).
Methven D A, Crim L W, Norberg B, Brown J A, Goff G P and Huse I
Can. J. Fish. Aquat. Sci.
49(4)
p. 754-759
1991
Ovulatory rythms and egg viability in Atlantic halibut (Hippoglossus hippoglossus).
Birgitta Norberg, Vibeke Valkner, Janne Huse, Ingve Karlsen, Guri L Grung
Aquaculture
97
p. 365-371
1989
Changes in plasma vitellogenin, sex steroids, calcitonin and thyroid hormones related to sexual maturation in female brown trout (Salmo trutta)
Birgitta Norberg, Björn Thrandur Björnsson, Christopher L Brown, Leonard J. Deftos, Ulf Peter Wichardt, Carl Haux
General and Comparative Endocrinology
75
p. 316-326
1988
An homologous radioimmunoassay for brown trout vitellogenin
Birgitta Norberg, C Haux
Fish Physiology & Biochemistry
5
p. 59-68
1985
The influence of estradiol-17 on the liver content of protein, glycogen and nucleic acids in juvenile rainbow trout, Salmo gairdnerii.
C. Haux, Birgitta Norberg
Comparative Biochemistry and Physiology - Part B: Biochemistry & Molecular Biology
81
p. 275-279
1985
Induction, isolation and a characterization of the lipid content of rainbow trout (Salmo gairdnerii) and sea trout (Salmo trutta) vitellogenin
Birgitta Norberg, C Haux
Comparative Biochemistry and Physiology - Part B: Biochemistry & Molecular Biology
81
p. 869-876