https://cordis.europa.eu/article/id/422042-well-known-anti-swarming-measure-may-be-a-good-measure-against-varroatosis
WELL-KNOWN ANTI-SWARMING MEASURE MAY BE A GOOD MEASURE AGAINST VARROATOSIS! | News | CORDIS |...
Everyone has long known that in order to prevent swarming of a colony of bees, it is necessary to expand their nest, giving them more...