Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/10474
Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: A validated macroscopic key to assess fin damage in farmed rainbow trout (Oncorhynchus mykiss)
Authors: Hoyle, Imogen
Oidtmann, Birgit
Ellis, Tim
Turnbull, James
North, Ben P
Nikolaidis, John
Knowles, Toby G
Contact Email: j.f.turnbull@stir.ac.uk
Keywords: rainbow trout
fin damage
fin erosion
animal welfare
Issue Date: 28-Sep-2007
Publisher: Elsevier
Citation: Hoyle I, Oidtmann B, Ellis T, Turnbull J, North BP, Nikolaidis J & Knowles TG (2007) A validated macroscopic key to assess fin damage in farmed rainbow trout (Oncorhynchus mykiss), Aquaculture, 270 (1-4), pp. 142-148.
Abstract: Fin damage, commonly referred to as fin erosion, has been highlighted as a welfare issue in farmed fish. An objective means for describing fin damage is required by both fish welfare researchers and the industry for quality assurance. For rapid quantitative assessments of fin size, 6-point photographic scales have been designed for small (less than 50 g) and large (greater than 50 g) fish, covering the range of fin damage observed on rainbow trout on UK farms. Inter- and intra-operator tests show that scoring is consistent both within and between operators. An experienced operator can assess all 7 rayed fins on a fish within 2 min. Additional qualitative descriptors (splitting, exposed rays, haemorrhage, inflammation, scaring/thickening, kinking/folding) have also been developed to categorise resultant malformations to the fins.
Type: Journal Article
URI: http://hdl.handle.net/1893/10474
DOI Link: http://dx.doi.org/10.1016/j.aquaculture.2007.03.037
Rights: The publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.
Affiliation: University of Bristol
Centre for Environment, Fisheries and Aquaculture Science (CEFAS)
Centre for Environment, Fisheries and Aquaculture Science (CEFAS)
Aquaculture
University of Stirling
University of Stirling
University of Bristol

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