http://www.tcpalm.com/news/2007/oct/17/30front-end-loader-operator-escapes-injury-after/ (http://www.tcpalm.com/news/2007/oct/17/30front-end-loader-operator-escapes-injury-after/)
The minimum number of bees for a good sample is 50 bees.
Sincerely,
Brendhan