Juvenile hormone,vitellogenin and haemocyte composition in winter worker honeybees (Apis mellifera) |
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| Authors: | P Fluri H Wille L Gerig M Lüscher |
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| Institution: | (1) Division of Animal Physiology, Zoological Institute of the University of Bern, Engehaldenstrasse 6, CH-3012 Bern, (Switzerland);(2) Apicultural Section, Federal Dairy Research Station, CH-3097 Liebefeld-Bern, (Switzerland) |
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| Abstract: | Summary The haemolymph of winter bees (long life span) in contrast to that of summer bees (short life span) has a low juvenile hormone titre and a high protein titre. It is suggested that the winter bee physiology may be brought about by low JH-production. |
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