Behavioural and welfare implications of a new slipping methodology for purse seine fisheries in Norwegian waters.

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  • Additional Information
    • Publication Year:
      2019
    • Author-Supplied Keywords:
      Agriculture
      Animal behavior
      Animal physiology
      Animals
      Behavior
      Behavioral disorders
      Biological locomotion
      Biology and life sciences
      Cameras
      Education
      Engineering and technology
      Equipment
      Eukaryota
      Fish
      Fish biology
      Fish physiology
      Fisheries
      Medicine and health sciences
      Mental health and psychiatry
      Optical equipment
      Organisms
      Physiology
      Psychology
      Research Article
      Schools
      Social sciences
      Sociology
      Swimming
      Vertebrate physiology
      Vertebrates
      Zoology
    • NAICS/Industry Codes:
      NAICS/Industry Codes 112511 Finfish Farming and Fish Hatcheries
      311710 Seafood Product Preparation and Packaging
      114114 Freshwater fishing
      112512 Shellfish Farming
      112510 Aquaculture
      114112 Shellfish Fishing
    • Abstract:
      The release of unwanted fish from purse seines whilst still in the water is termed slipping and may lead to significant mortality following release. The objective of this study was to determine the fish welfare implications of a new slipping methodology in which fish are released via a discharge opening formed in the bunt end of the purse seine net. Video analyses of collective and individual level fish behaviour were undertaken in the Norwegian mackerel and herring purse seine fisheries, to quantitively describe slipping behaviour and to determine its driving factors. The majority of fish escaped the purse seine with the schooling structure intact as part of large groups towards the end of slipping process, increasing their speed following escape. However, there was also a tendency (24% of all escapes) to escape in a manner likely to impact negatively upon their welfare, with a breakdown in schooling structure and physical contact with the fishing gear and conspecifics. The tendency to express such welfare compromising behaviour was higher for mackerel than for herring, but was also influenced by the vessel releasing the fish, the amount of fish being slipped, how long the discharge opening had been open and the particular slipping event. These results provide important information for future science-based development of welfare friendly slipping practises. [ABSTRACT FROM AUTHOR]
    • Abstract:
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    • ISSN:
      19326203
    • Accession Number:
      135223827
  • Citations
    • ABNT:
      ANDERS, N. et al. Behavioural and welfare implications of a new slipping methodology for purse seine fisheries in Norwegian waters. PLoS ONE, [s. l.], v. 14, n. 3, p. 1, 2019. Disponível em: . Acesso em: 24 ago. 2019.
    • AMA:
      Anders N, Breen M, Saltskår J, Totland B, Øvredal JT, Vold A. Behavioural and welfare implications of a new slipping methodology for purse seine fisheries in Norwegian waters. PLoS ONE. 2019;14(3):1. http://ezproxy.parker.edu/login?url={targeturl}. Accessed August 24, 2019.
    • APA:
      Anders, N., Breen, M., Saltskår, J., Totland, B., Øvredal, J. T., & Vold, A. (2019). Behavioural and welfare implications of a new slipping methodology for purse seine fisheries in Norwegian waters. PLoS ONE, 14(3), 1. Retrieved from http://ezproxy.parker.edu/login?url={targeturl}
    • Chicago/Turabian: Author-Date:
      Anders, Neil, Mike Breen, Jostein Saltskår, Bjørn Totland, Jan Tore Øvredal, and Aud Vold. 2019. “Behavioural and Welfare Implications of a New Slipping Methodology for Purse Seine Fisheries in Norwegian Waters.” PLoS ONE 14 (3): 1. http://ezproxy.parker.edu/login?url={targeturl}.
    • Harvard:
      Anders, N. et al. (2019) ‘Behavioural and welfare implications of a new slipping methodology for purse seine fisheries in Norwegian waters’, PLoS ONE, 14(3), p. 1. Available at: http://ezproxy.parker.edu/login?url={targeturl} (Accessed: 24 August 2019).
    • Harvard: Australian:
      Anders, N, Breen, M, Saltskår, J, Totland, B, Øvredal, JT & Vold, A 2019, ‘Behavioural and welfare implications of a new slipping methodology for purse seine fisheries in Norwegian waters’, PLoS ONE, vol. 14, no. 3, p. 1, viewed 24 August 2019, .
    • MLA:
      Anders, Neil, et al. “Behavioural and Welfare Implications of a New Slipping Methodology for Purse Seine Fisheries in Norwegian Waters.” PLoS ONE, vol. 14, no. 3, Mar. 2019, p. 1. EBSCOhost, ezproxy.parker.edu/login?url={targeturl}.
    • Chicago/Turabian: Humanities:
      Anders, Neil, Mike Breen, Jostein Saltskår, Bjørn Totland, Jan Tore Øvredal, and Aud Vold. “Behavioural and Welfare Implications of a New Slipping Methodology for Purse Seine Fisheries in Norwegian Waters.” PLoS ONE 14, no. 3 (March 11, 2019): 1. http://ezproxy.parker.edu/login?url={targeturl}.
    • Vancouver/ICMJE:
      Anders N, Breen M, Saltskår J, Totland B, Øvredal JT, Vold A. Behavioural and welfare implications of a new slipping methodology for purse seine fisheries in Norwegian waters. PLoS ONE [Internet]. 2019 Mar 11 [cited 2019 Aug 24];14(3):1. Available from: http://ezproxy.parker.edu/login?url={targeturl}