Sentences with phrase «percent by mites»
Among other factors, beekeepers said 13 percent of colonies in the second quarter of this year were stressed by pesticides, 12 percent by mites and pests other than varroa and 4.3 by diseases.
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An estimated 60 percent of those are thought to have allergic asthma, which means their symptoms are typically triggered by allergens like dust mites or mold.