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New Zealand Beekeeping Forums
Commercial Beekeeping in New Zealand
"High-risk beekeeping operations" - take three...
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<blockquote data-quote="John B" data-source="post: 4033" data-attributes="member: 207"><p>I have found that the vast majority of AFB even in recurring cases comes from neighbouring beekeepers rather than feral hives but there are a couple of areas in Hawke's Bay that if you keep hives near them you will get AFB every few years. One of these areas has been like that for 50 years that I know of. In these cases I think it probably is feral hives that die from AFB and get robbed out and then get a new swarm in them a year or two later and so the cycle continues.</p><p>I strongly suspect that when a hive in an apiary finds a honey source such as a dead AFB hive drifting bees going into the wrong hive spread the information of its location around the apiary. Feral hives being generally further apart have little or no drift and so are considerably less likely to find the source and become infected. I once did an inspection where I think 13/14 hives in an apiary were infected and we found the source of the infection in a neighbouring apiary. I also found three bee trees within hundred and 50 m of the 13 infected hives and managed to get samples from each tree and they were clean.</p></blockquote><p></p>
[QUOTE="John B, post: 4033, member: 207"] I have found that the vast majority of AFB even in recurring cases comes from neighbouring beekeepers rather than feral hives but there are a couple of areas in Hawke's Bay that if you keep hives near them you will get AFB every few years. One of these areas has been like that for 50 years that I know of. In these cases I think it probably is feral hives that die from AFB and get robbed out and then get a new swarm in them a year or two later and so the cycle continues. I strongly suspect that when a hive in an apiary finds a honey source such as a dead AFB hive drifting bees going into the wrong hive spread the information of its location around the apiary. Feral hives being generally further apart have little or no drift and so are considerably less likely to find the source and become infected. I once did an inspection where I think 13/14 hives in an apiary were infected and we found the source of the infection in a neighbouring apiary. I also found three bee trees within hundred and 50 m of the 13 infected hives and managed to get samples from each tree and they were clean. [/QUOTE]
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Commercial Beekeeping in New Zealand
"High-risk beekeeping operations" - take three...
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