亚洲91视频

亚洲91视频 University Agricultural Campus graduate student Daniel O鈥橬eal is examining the interaction of pesticide residues, Varroa mites and Nosema in honeybee colony stress.

Across Canada honeybees offer pollination services worth $2-billion annually, he told the Nova Scotia Beekeepers annual meeting. But the last several years have seen sporadically high losses of between 30-40 per cent of honeybees.

O鈥橬eal surmised the reasons for the losses could possibly be pesticides, parasites or an interaction between the two.

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