期刊
INTERNATIONAL JOURNAL FOR PARASITOLOGY
卷 36, 期 9, 页码 987-991出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijpara.2006.05.001
关键词
ectoparasite; Argulus coregoni; Flavobacterium columnare; concomitant infection; mortality; Columnaris disease
类别
Rainbow trout, Oneorhynchus mykiss, were infected concomitantly with Argulus coregoni and Flavobacterium columnare and their survival was compared with that of fish infected with either the parasite or the bacterium alone. The mortality of fish challenged with A. coregoni was negligible while infection with F columnare alone led to significantly lower survival. However, compared with single infections, the mortality was significantly higher and the onset of disease condition was earlier among fish, which were concomitantly infected by A. coregoni and F columnare. This data presents, for the first time, experimental support for the hypothesis that an ectoparasite infection increases susceptibility of fish to a bacterial pathogen. (c) 2006 Australian Society for Parasitology Inc. Published by Elsevier Ltd. All rights reserved.
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