Research article2025Peer reviewedOpen access
Assessment of brain function during stunning and killing of channel catfish (Ictalurus punctatus)
Hjelmstedt, Per; To, Filip; Allen, Peter J. et al.
Publications
2025
Research article2025Peer reviewedOpen access
Effects of electrical and percussive stunning on neural, ventilatory and cardiac responses of rainbow trout
Brijs, Jeroen; Hjelmstedt, Per; Sundell, Erika et al.
2024
Research article2024Peer reviewedOpen access
Use of electroencephalogram (EEG) to optimize stunning efficiency and animal welfare in commercial catfish production
Hjelmstedt, Per; To, Filip; Grans, Albin et al.
2023
Newspaper article2023
Sveriges utsläpp måste minska nu, regeringen
Skelton, Alasdair; Hajdu, Flora; Wolrath Söderberg, Maria.
2022
Proceedings (editor)2022
Proceedings of the 5th Animal Welfare Science Symposium : June 16-17, Swedish University of Agricultural Sciences, Ultuna
Keeling, Linda (ed.); Norling, Yezica (ed.); Jörgensen, Svea (ed.); et al.
Conference abstract2022
Disa for fish : a free and web-based educational material for improved animal protection during slaughter
Sundell, Erika; Hjelmstedt, Per; Gräns, Albin.
Conference abstract2022
Measurements of brain activity to evaluate methods used to stun fish
Hjelmstedt, Per; Berg, Lotta; Gräns, Albin.
Research article2022Peer reviewedOpen access
Assessing the effectiveness of percussive and electrical stunning in rainbow trout: Does an epileptic-like seizure imply brain failure?
Hjelmstedt, P.; Sundell, E.; Brijs, J. et al.
Doctoral thesis2022Open access
Safeguarding the Welfare of Fish in Aquaculture : Physiological Assessments of Stress and Welfare During Handling, Transport and Slaughter
Hjelmstedt, Per.
2021
Research article2021Peer reviewed
Striped catfish (Pangasianodon hypophthalmus) use air-breathing and aquatic surface respiration when exposed to severe aquatic hypercarbia
Morgan, Rachael; Tunnah, Louise; Tuong, Dang D. et al.
Research article2021Peer reviewedOpen access
Continuous physiological welfare evaluation of European whitefish (Coregonus lavaretus) during common aquaculture practices leading up to slaughter
Hjelmstedt, P.; Brijs, J.; Berg, C. et al.
Research article2021Peer reviewedOpen access
Humane slaughter of African sharptooth catfish (Clarias gariepinus): Effects of various stunning methods on brain function
Brijs, J.; Sundell, E.; Hjelmstedt, P. et al.
2020
Research article2020Peer reviewedOpen access
Evaluation of the reliability of indicators of consciousness during CO2 stunning of rainbow trout and the effects of temperature
Bowman, Jennifer; van Nuland, Nicole; Hjelmstedt, Per et al.
Review article2020Peer reviewedOpen access
Systematic Mapping of Research on Farm-Level Sustainability in Finfish Aquaculture
Gunnarsson, Stefan; Segerkvist, Katarina Arvidsson; Wallgren, Torun et al.
Research article2020Peer reviewedOpen access
Prevalence and severity of cardiac abnormalities and arteriosclerosis in farmed rainbow trout (Oncorhynchus mykiss)
Brijs, J.; Hjelmstedt, P.; Berg, C. et al.
Research article2020Peer reviewedOpen access
Effects of prophylactic antibiotic-treatment on post-surgical recovery following intraperitoneal bio-logger implantation in rainbow trout
Hjelmstedt, Per; Sundh, Henrik; Brijs, Jeroen et al.
2019
Research article2019Peer reviewedOpen access
Non-invasive recording of brain function in rainbow trout: Evaluations of the effects of MS-222 anaesthesia induction
Bowman, Jennifer; Hjelmstedt, Per; Grans, Albin.
Research article2019Peer reviewedOpen access
Hemodynamic responses to warming in euryhaline rainbow trout: implications of the osmo-respiratory compromise
Morgenroth, Daniel; Ekstrom, Andreas; Hjelmstedt, Per et al.
2018
Conference abstract2018
Why do we need a non-invasive method to measure consciousness in fish?
Gräns, Albin; Bowman, Jennifer; Hjelmstedt, Per et al.
Conference abstract2018
Heart rate loggers as a tool to identify and quantify detrimental stressors in aquaculture
Hjelmstedt, Per; Brijs, Jeroen; Sandblom, E. et al.
Conference abstract2018
In vivo aerobic metabolism of the rainbow trout gut and the effects of an acute temperature increase and stress event
Gräns, Albin; Brijs, Jeroen; Hjelmstedt, Per et al.
Conference abstract2018
Post-surgery recovery of rainbow trout - what's the point of using cutting-edge implantable technology if applying outdated surgery protocols?
Hjelmstedt, Per; Sundh, Henrik; Ekström, Andreas et al.
Research article2018Peer reviewedOpen access
In vivo aerobic metabolism of the rainbow trout gut and the effects of an acute temperature increase and stress event
Brijs, Jeroen; Grans, Albin; Hjelmstedt, Per et al.