Sentence examples for bees were exposed to from inspiring English sources
He said the hives were initially healthy, were placed in a natural foraging environment and that the doses of the pesticide the bees were exposed to were realistic.
Julian Little, spokesman for Bayer Cropscience, criticised Goulson's study because the bees were exposed to imidacloprid in the labaratory, before being placed outside in a natural field environment to feed.
Accordingly, we concentrated our analysis on the During period the time when the bees were exposed to the treatment.
The results indicated that prior exposure to Plenum® WG 50 affected Pavlovian conditioning only when bees were exposed to 100 times the recommended dosage.
The bees were exposed to a habitat that included a field of untreated crop at one site (C = Control) or to a field of crop treated with thiamethoxam at the other (T = Treated).
One might not expect to see elevated mortality in this experiment because the level of thiamethoxam residues the bees were exposed to in the pollen and nectar of the treated crops was less than 1.0 ng/g for pollen and less than 0.5 ng/g for nectar.
Yet another failing is that pesticides are only tested individually, not in the combination bees are exposed to in reality.
Should the bees be exposed to additional stresses such as pests, disease and bad weather then it is likely to increase the rate of development failure".
There is a strong scientific consensus that bees are exposed to neonicotinoid pesticides in fields and suffer harm from the doses received, according to a new analysis of the all the scientific evidence to date.
Previous studies have shown that whereas in North America honey bees are exposed to at least 7 pesticides per food visit, this is not the case in Africa (Mullin et al. 2010).
