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Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: The development of probiotics for the control of multiple bacterial diseases of rainbow trout, Oncorhynchus mykiss (Walbaum)
Author(s): Austin, Brian
Newaj-Fyzul, Aweeda
Brunt, Jason
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Keywords: Aeromonas
rainbow trout
Issue Date: Oct-2007
Publisher: Wiley-Blackwell
Citation: Austin B, Newaj-Fyzul A & Brunt J (2007) The development of probiotics for the control of multiple bacterial diseases of rainbow trout, Oncorhynchus mykiss (Walbaum), Journal of Fish Diseases, 30 (10), pp. 573-579.
Abstract: JB-1 and GC2, which were equated with Bacillus sp. and Aeromonas sobria respectively, were recovered from the digestive tract of rainbow trout, Oncorhynchus mykiss and ghost carp, Cyprinus sp. respectively, and demonstrated effectiveness as probiotics for the control of infections caused by Aeromonas salmonicida, Lactococcus garvieae, Streptococcus iniae, Vibrio anguillarum, Vibrio ordalii and Yersinia ruckeri. When administered to rainbow trout (average weight = 12 g) for 14 days in feed dosed at 2 × 108 cells g−1 of feed, JB-1 led to a reduction in mortalities to 0–13% after challenge with a range of bacterial pathogens compared to 80–100% mortalities of the controls. Similarly, use of GC2 reduced mortalities to 0–16% following the challenge compared to 80–100% mortalities of the controls. The mode of action reflected nutrition, production of inhibitory substances and stimulation of the innate immune responses. Specifically, JB-1 and especially GC2 were positive for siderophore and chitinase production, and increased lysozyme, phagocytic and respiratory burs
Type: Journal Article
DOI Link:
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: Heriot-Watt University
Heriot-Watt University
Heriot-Watt University

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