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Informed Discussion of Beekeeping Issues and Bee Biology

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Subject:
From:
Medhat Nasr <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Mon, 23 Nov 2015 15:14:56 +0000
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There seems to be a correlation here....nutrition on limited forage (monocultures) is affecting colony success...the landscape has changed.

Response:

I may add to what Peter mentioned. In recent years bees are used more and more for pollination of more than one crop. Honey production in pollinating fields is always low due to high density of hives per acre. Moreover, whenever we see a spike of increased hive numbers, splitting hives to increase the number of colonies could impact honey production. Cropping system and crop prices are another factor to consider. Farmers grow high cash crops to increase their income. Some of these crops are not good for bees. For example replacing clover with canola will reduce honey production from two peaks of bloom to only one. Another example farmers start cutting clover when it is at 10% bloom to maintain high nutritional value of hay. This of course will impact honey production etc.

It would be interesting to compare historical honey yield data and number of hives in Midwest USA before and after corn acreage expansion.


Medhat Nasr
Edmonton Alberta


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