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Permanent link (DOI): https://doi.org/10.7939/R3Q52FQ14

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Subclinical Listonella anguillarum infection does not impair recovery of swimming performance in rainbow trout Oncorhynchus mykiss Open Access

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Author or creator
Tierney, K.B.
Balfry, S.K.
Farrell, A.P.
Additional contributors
Subject/Keyword
Ucrit
critical swimming speed
Listonella anguillarum
swimming performance
vibriosis
seawater
recovery
Type of item
Journal Article (Published)
Language
English
Place
Time
Description
This study examines whether injections of the commonly used bacterial-challenge pathogen Listonella anguillarum (formerly Vibrio anguillarum) negatively impact the ability of rainbow trout Oncorhynchus mykiss Walbaum to perform repeat swimming trials. Fish were given intraperitoneal injections of either a sub-lethal (105 colony forming units; CFUs) or a lethal (107 CFUs) dose of L. anguillarum, held for 48 h, and then given 2 successive ramp critical swimming speed (Ucrit) tests separated by 45 min. Compared with saline-injected control fish, the low-dose injection did not significantly impair swimming performance and recovery. Similarly, Ucrit and re-performance for fish surviving the high-dose injection were comparable to control (2 of 6 fish died after injection and before testing). In contrast, a positive control test of seawater challenge did impair recovery of swimming performance. In view of these results and common use of L. anguillarum as a challenge pathogen for toxicological studies, it seems unlikely that the consequences of pathogenesis impact the important cardiorespiratory changes associated with exercise.
Date created
2005
DOI
doi:10.7939/R3Q52FQ14
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Copyright Inter-Research 2005 · www.int-res.com
Citation for previous publication
Tierney, K. B., Balfry, S. K., & Farrell, A. P. (2005). Subclinical Listonella anguillarum infection does not impair recovery of swimming performance in rainbow trout Oncorhynchus mykiss. Diseases Of Aquatic Organisms, 67(1-2), 81-86.
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