Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Jo A. Alfredsen"'
Autor:
Eirik Svendsen, Finn Økland, Martin Føre, Lise L. Randeberg, Bengt Finstad, Rolf E. Olsen, Jo A. Alfredsen
Publikováno v:
Animal Biotelemetry, Vol 9, Iss 1, Pp 1-12 (2021)
Abstract Background Welfare challenges in salmon farming highlights the need to improve understanding of the fish’s response to its environment and rearing operations. This can be achieved by monitoring physiological responses such as heart rate (H
Externí odkaz:
https://doaj.org/article/8d5f5599761d45cf90a73fa3363cdf41
Publikováno v:
Frontiers in Marine Science, Vol 9 (2022)
Over the last few decades, acoustic fish telemetry has developed into a viable approach for remote monitoring of fish behaviour in the marine environment. Simultaneously, unmanned surface and underwater vehicles have found extensive use as scalable,
Externí odkaz:
https://doaj.org/article/1d4a8db8a75446e8861fd89f3bbd6616
Publikováno v:
Animal Biotelemetry, Vol 12, Iss 1, Pp 1-11 (2024)
Abstract Juvenile Atlantic salmon (Salmo salar), known as post-smolt as they enter the sea, undergo an arduous migration from their natal rivers to their feeding grounds in the North Atlantic Ocean. It has become increasingly important to understand
Externí odkaz:
https://doaj.org/article/b1fe8f15e8204604930843401b4b78f6
Publikováno v:
Smart Animal Production ISBN: 9783031225833
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a672d303a2108486a35155b77800daf
https://doi.org/10.1007/978-3-031-22584-0_9
https://doi.org/10.1007/978-3-031-22584-0_9
Autor:
Rolf Erik Olsen, Finn Økland, Jo Arve Alfredsen, Eirik Svendsen, Lise L. Randeberg, Bengt Finstad, Martin Føre
Publikováno v:
Animal Biotelemetry, Vol 9, Iss 1, Pp 1-12 (2021)
Animal Biotelemetry
Animal Biotelemetry
BackgroundWelfare challenges in salmon farming highlights the need to improve understanding of the fish’s response to its environment and rearing operations. This can be achieved by monitoring physiological responses such as heart rate (HR) for ind
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::425ea2806113957e867a703cb7f99104
https://doaj.org/article/8d5f5599761d45cf90a73fa3363cdf41
https://doaj.org/article/8d5f5599761d45cf90a73fa3363cdf41
Autor:
Henning Andre Urke, Knut Alfredsen, Torstein Kristensen, Aage Gronningsater, Anders Gjørwad Hagen, Marte Kvakland, Jo Arve Alfredsen
Publikováno v:
Animal Biotelemetry, Vol 9, Iss 1, Pp 1-14 (2021)
Animal Biotelemetry
Animal Biotelemetry
Background Behaviour of potential host fish during chemical treatment against the ectoparasite Gyrodactylus salaris is a vital factor in designing treatment strategies, evaluating risk factors and establishing insights into previously failed treatmen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22f4035f3f609c921b8a6322d1c3057a
https://doaj.org/article/8ebe1e528695466e962be41885e02064
https://doaj.org/article/8ebe1e528695466e962be41885e02064
Autor:
Finn Økland, Eirik Svendsen, Jo Arve Alfredsen, Bengt Finstad, Martin Føre, Richard D. Hedger, Ingebrigt Uglem, Albin Gräns
Publikováno v:
Animal Biotelemetry, Vol 9, Iss 1, Pp 1-13 (2021)
Animal Biotelemetry
Animal Biotelemetry
Background Fish telemetry using electronic transmitter or data storage tags has become a common method for studying free-swimming fish both in the wild and in aquaculture. However, fish used in telemetry studies must be handled, anaesthetised and oft
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa18516ce65f7f3314bfd3fbd341d9b6
https://doaj.org/article/da623ead1bdf49749e87c727364e33f6
https://doaj.org/article/da623ead1bdf49749e87c727364e33f6
Publikováno v:
IFAC-PapersOnLine. 54:188-194
Knowledge of the amplitude and frequency of sea waves is useful to characterize the sea state, and increases the situational awareness as perceived by unmanned marine crafts. The ability to adapt navigation control parameters according to the current
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd80ed7d9126609d59ab157bf8b3ced0
https://doi.org/10.1016/j.ifacol.2021.10.092
https://doi.org/10.1016/j.ifacol.2021.10.092
Publikováno v:
Aquaculture Environment Interactions, Vol 12, Pp 559-570 (2020)
Shielding skirts are widely used as a non-invasive preventive measure against salmon lice Lepeophtheirus salmonis infestations on Atlantic salmon Salmo salar in sea-cages. Low levels of dissolved oxygen (DO) are reported from some sites, but not othe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e6518bf04e7cf8fb60cd70fde6cf21d
https://www.int-res.com/abstracts/aei/v12/p559-570/
https://www.int-res.com/abstracts/aei/v12/p559-570/
Autor:
Jo Arve Alfredsen, Turid Synnøve Aas, Morten Omholt Alver, Trine Ytrestøyl, Kristoffer Rist Skøien, Torbjørn Åsgård
Publikováno v:
Journal of Agricultural and Marine Sciences, Vol 25, Iss 0, Pp 20-26 (2020)
Journal of Agricultural and Marine Sciences
Journal of Agricultural and Marine Sciences
In intensive salmon farming, it is common practice to spread the feed over a large surface area, assuming that spreading of the feed increases feed intake in the fish. However, the impact on the feed pellets during spreading results in feed loss due
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::570212be526b4867d9c1c1982d57bb5b
https://journals.squ.edu.om/index.php/jams/article/view/3162
https://journals.squ.edu.om/index.php/jams/article/view/3162