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The specialist international beekeeping organisation
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USA surveys honey bee losses Keywords:? CCD disease control pollination? Honey bee colony losses across the USA were approximately 29% from all causes from September 2008 to April 2009 according to a survey conducted by the Apiary Inspectors of America AIA and the US Department of Agriculture USDA.? This is less than the overall losses of about 36% from 2007 to 2008 and 32% from 2006 to 2007 that were reported in similar surveys.? "While the reduction in colony losses is encouraging this magnitude of loss is economically unsustainable for commercial beekeeping " said Jeff Pettis research leader of the Agricultural Research Service ARS Bee Research Laboratory in Beltsville the USDA's principal scientific research agency.? The survey was conducted by Jeff Pettis Dennis van Engelsdorp AIA President and Jerry Hayes AIA past President.? About 26% of apiaries surveyed reported that some of their colonies died of colony collapse disorder CCD down from 36% of apiaries in 2007 2008. CCD is characterised by the sudden complete absence of honey bees in a colony. The cause of CCD is still unknown.? As this was an interview-based survey it is not possible to differentiate between verifiable cases of CCD and colonies lost as the result of other causes that share the 'absence of dead bees' as a symptom. ? However among beekeepers that reported any colonies collapsing without the presence of dead bees each lost an average of 32% of their colonies in 2008-2009 while apiaries that did not lose any bees with symptoms of CCD lost an average 26% of their colonies.? To strengthen the beekeeping industry ARS recently began a five-year area wide research programme to improve honey bee health survivorship and pollination. Honey bee pollination is critical to agriculture adding more than US$15 1 billion to the value of American crops each year.? The survey covered approximately 20% of the USA's 2.3 million colonies. ? Kim Kaplan ARS News Service? View this report plus photos and related stories at www.ars.usda.gov/is/pr