Dr Juliana Rangler reported that good portion of sperms were dead when she used vital stain. This could be caused by the colony contamination  by pesticides. The question that was raised: Dora this happen in drones first and dead sperms were delivers to queens or sperms died in the spermatheca as queens exposed to acaricides in hives? This question will be studied soon. She is studying why US queens supersede shortly after introduction. Research  was presented at San Antonio meeting
Medhat nasr

Edmonton Alberta.
Sent from my iPhonen
This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager. This message contains confidential information and is intended only for the individual named. If you are not the named addressee you should not disseminate, distribute or copy this e-mail.

             ***********************************************
The BEE-L mailing list is powered by L-Soft's renowned
LISTSERV(R) list management software.  For more information, go to:
http://www.lsoft.com/LISTSERV-powered.html