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Use of ultraviolet C (UVC) radiation to inactivate infectious hematopoietic necrosis virus (IHNV) and viral haemorrhagic septicaemia virus (VHSV) in fish processing plant effluent

Afonso, Luis O. B., Richmond, Zina, Eaves, Alexandra A., Richard, Jon, Hawley, Laura M. and Garver, Kyle A. 2012, Use of ultraviolet C (UVC) radiation to inactivate infectious hematopoietic necrosis virus (IHNV) and viral haemorrhagic septicaemia virus (VHSV) in fish processing plant effluent, Journal of aquaculture research and development, vol. 3, no. 1, pp. 1-5, doi: 10.4172/2155-9546.1000120.

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Title Use of ultraviolet C (UVC) radiation to inactivate infectious hematopoietic necrosis virus (IHNV) and viral haemorrhagic septicaemia virus (VHSV) in fish processing plant effluent
Author(s) Afonso, Luis O. B.
Richmond, Zina
Eaves, Alexandra A.
Richard, Jon
Hawley, Laura M.
Garver, Kyle A.
Journal name Journal of aquaculture research and development
Volume number 3
Issue number 1
Start page 1
End page 5
Total pages 5
Publisher OMICS Publishing Group
Place of publication Los Angeles, Calif.
Publication date 2012-01-21
ISSN 2155-9546
Keyword(s) IHNV
VHSV
log reduction
blood water effluent
fish processing plant
Summary We determined the stability of infectious hematopoietic necrosis virus (IHNV) and viral hemorrhagic septicemia virus (VHSV) suspended in either fish processing plant effluent blood water (EBW) or culture media and examined the effectiveness of UVC radiation to inactivate IHNV and VHSV suspended in both solutions. Without exposure to UVC, IHNV and VHSV were maintained in 4°C blood water for up to 48 hours without significant reduction in virus titer. However when exposed to UVC radiation using a low pressure mercury vapour lamp collimated beam, IHNV and VHSV were inactivated, and the efficacy of UVC radiation was dependent upon the solution and virus type being treated. A 3-log reduction for VHSV and IHNV in culture media was achieved at 3.28 and 3.84 mJ cm-2, respectively. The UV dose needed for a 3-log reduction of VHSV in EBW was 3.82 mJ cm-2. However, exposure of IHNV in EBW to the maximum UVC dose tested (4.0 mJ cm-2) only led to a 2.26-log-reduction. Factors such as particle size, and possible association of viruses with suspended EBW particulate, were not investigated in this study, but may have contributed to the difference in UVC effectiveness. Future work should emphasize improved filtration methods prior to UV treatment of processing plant EBW at an industrial scale.
Language eng
DOI 10.4172/2155-9546.1000120
Field of Research 070401 Aquaculture
Socio Economic Objective 830199 Fisheries - Aquaculture not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2012, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30049668

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.