| 摘要 |
In order to eliminate or reduce the aggressiveness of bees when beehives are being opened and handled, an aqueous emulsion or dispersion containing as active agents, acetic acid or a halogenated derivative of the latter or else alkaline salts of such acids, is vaporised according to the invention over the supers of the beehive. The composition also contains, advantageously, citral or a similar aldehyde as well as an emulsifier and an antioxidant.
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