Simplified laboratory diagnosis of American foul brood disease

publication date: Jul 26, 2011
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Journal of Apicultural Research
Vol. 25 (1) pp. 55-57
Date
March 1986
Article Title

Simplified laboratory diagnosis of American foul brood disease

Author(s)

J. M. Lloyd

Abstract

Blood agar medium was tested for use in culturing Bacillus larvae from diseased honeybee larvae for the diagnosis of American foul brood disease. It gave superior results to other commonly used media. Preparations stained with Gram stain were easier to interpret in microscopical examinations for spores and vegetative cells than those stained with nigrosin. Likely B. larvae isolates were confirmed by negative results in the catalase test. Using this method, confirmation of American foul brood disease could be achieved in 48 h.

Keywords

laboratory diagnosis, American foul brood disease, Bacillus larvae,

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