TRIALS WITH FUMAGILLIN DCH AND MALACHITE GREEN TO CONTROL CERATOMYXOSIS IN RAINBOW-TROUT (ONCORHYNCHUS-MYKISS)

被引:7
作者
IBARRA, AM [1 ]
GALL, GAE [1 ]
HEDRICK, RP [1 ]
机构
[1] UNIV CALIF DAVIS, DEPT ANIM SCI, AQUACULTURE & FISHERIES PROGRAM, DAVIS, CA 95616 USA
来源
FISH PATHOLOGY | 1990年 / 25卷 / 04期
关键词
D O I
10.3147/jsfp.25.217
中图分类号
S9 [水产、渔业];
学科分类号
0908 ;
摘要
Orally administered fumagillin DCH failed to protect rainbow trout (Oncorhynchus mykiss) from natural or experimentally-induced ceratomyxosis. No differences in mortality were observed between groups of trout exposed to Ceratomyxa shasta and fed fumagillin at 0.25 or 0.50 g/kg of diet at 2.0% fish body weight per day. Treatments with the drug however, did extend the mean time to death of trout due to C. shasta when compared to exposed but unmedicated controls. Extended feeding of the drug resulted in mortality in both infected and uninfected control groups. Malachite green was also ineffective in controlling ceratomyxosis when applied at 7 days intervals at 1.6 ppm for 40 min over a 64 day period.
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页码:217 / 223
页数:7
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