Journal
JOURNAL OF INVERTEBRATE PATHOLOGY
Volume 99, Issue 3, Pages 342-344Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jip.2008.04.005
Keywords
Apis mellifera; Emerging diseases; Fumagillin; Honey bee; Microsporidian; Nosema apis; Nosema ceranae
Categories
Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Nova Scotia Agri-Futures (Agriculture and Agri-Food Canada)
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Western honey bee (Apis mellifera) colonies in Nova Scotia, Canada were sampled in spring and late summer 2007 to evaluate efficacy of fumagillin dicyclohexylammonium (hereafter, fumagillin) against Nosema ceranae. Colonies treated with fumagillin in September 2006 (n = 94) had significantly lower Nosema intensity in spring 2007 than did colonies that received no treatment (n = 51), but by late summer 2007 no difference existed between groups. Molecular sequencing of 15 infected colonies identified N. ceranae in 93.3% of cases, suggesting that fumagillin is successful at temporarily reducing this recent invasive parasite in western honey bees. (C) 2008 Elsevier Inc. All rights reserved.
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