Comparative resistance in Buckfast and Canadian stocks of honey bees (Apis mellifera L.) to infestation by honey bee tracheal mites (Acarapis woodi (Rennie)) |
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Authors: | Huarong Lin Gard W. Otis Cynthia Scott-Dupree |
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Affiliation: | (1) Department of Environmental Biology, University of Guelph, N1G 2W1 Guelph, Ontario, Canada;(2) Present address: Department of Biological Sciences, Simon Fraser University, V5A 1S6 Burnaby, British Columbia, Canada |
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Abstract: | The results of bioassay and colony evaluation demonstrated that British and Texas Buckfast honey bee stocks had one-third to one-half the mean prevalence and abundance of tracheal mites as Canadian standard stock, indicating that Buckfast stocks are less susceptible to tracheal mites than Canadian standard stock. Hybrid Canadian and Buckfast stocks exhibited resistance characteristics similar to only one of their parental stocks, suggesting the colony has an unknown effect on the expression of a bee's resistance to mites. A high correlation (rs=0.66) between abundance values from the bioassay and colony evaluations indicates that the bioassay can be used to screen bees for mite resistance. |
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Keywords: | Comparative resistance Buckfast honey bees infestation tracheal mites |
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