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Year 2009 - Volume 29, Number 9
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Prophylactic effect of levamisole on rainbow trout (Oncorhynchus mykiss) against Yersinia ruckeri, 29(9):700-702
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ABSTRACT.- Ispir U. 2009. Prophylactic effect of levamisole on rainbow trout (Oncorhynchus mykiss) against Yersinia ruckeri. Pesquisa Veterinária Brasileira 29(9):700-702. Faculty of Agriculture, Department of Fisheries, Bingol University, 23119 Bingol, Turkey. E-mail: uispir@yahoo.com
Alteration in the relative percentage of survival (RPS) rate of rainbow trout (Oncorhynchus mykiss) exposed to 5, 10 and 25µg ml-1 levamisole for 2 h against Yersinia ruckeri was investigated. The average weight of the 120 fish used in this study was 6.3g. Upon challenge with a virulent strain, the relative survival percentage of respectively 83.3%, 86.7% and 76.6% was recorded. The results suggest that the application of levamisole in fish farms could increase resistance to infection of fish and offer economic benefits. |
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