Kate Ihle (USDA, ARS, Baton Rouge, Lousiana) reports a stock difference in
vitellogenin expression in an accepted manuscript in the Journal of
Apicultural Research.  

  

Technical abstract:  

We tested expression of the multi-functional gene Vitellogenin (Vg) in four
commercially available stocks of honey bees (Apis mellifera: L) under three
different treatments: caged bees fed only 50% sucrose solution, caged bees fed
sucrose solution and pollen paste, and free-roaming bees in a colony setting.
We found that seven-day old bees fed pollen and sucrose in the lab as well as
those in the colony had higher Vg expression than those fed only sucrose. We
also found strong differences in how the stocks responded to the treatments.
This ranged from the Italian bees where expression was different between all
treatment groups to the Saskatraz where there were no effects of treatment on
Vg expression.  


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