Hi Kenny, I studying for PhD thesis. In apiarist of the University, I had an idea about laying worker| (which physiological modifications in the laying worker?) And I would to know if someone researchs this... With regards, Vagner +-----------------------------------------------------------------------+ I VAGNER A. TOLEDO E-MAIL: VGTOLEDO AT BRFUEM.BITNET I I- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -I I Universidade Estadual de Maringa - UEM - I I Departamento de Zootecnia I I Colombo Avenue, 3690 - Campus Universitario - 87020-900 - Maringa-Pr I I Telefax: 00-55-0442-22-2754 - phone: (0442) 26-2727 - Ramal: 319 I +-----------------------------------------------------------------------+