LABORATORY MEASUREMENT OF BROOD DISEASE RESISTANCE IN THE HONEYBEE. 1. UNCAPPING AND REMOVAL OF FREEZE-KILLED BROOD BY NEWLY EMERGED WORKERS IN LABORATORY TEST CAGES

publication date: Apr 8, 2013
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Journal of Apicultural Research
Vol. 21 (2) pp.111-114
DOI
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Date
June 1982
Article Title
LABORATORY MEASUREMENT OF BROOD DISEASE RESISTANCE IN THE HONEYBEE. 1. UNCAPPING AND REMOVAL OF FREEZE-KILLED BROOD BY NEWLY EMERGED WORKERS IN LABORATORY TEST CAGES
Author(s)
CHARLES P. MILNE, Jr.
Abstract
Newly emerged workers uncapped and removed freeze-killed brood in laboratory test cages. A probit-analysis computer program calculated the time required for the bees in each cage to uncap or remove 50% of the brood. The mean time required for 100 worker progeny of different queens to uncap or remove 50% of the 40 brood cells was significantly different, ranging from about 1 to 4 1/2 days. These measurements appeared to be repeatable. Possible common genetic control of these two behaviours is suggested by the significant correlation between them in laboratory tests (r = +0.916, P<0.05).
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