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After months of hard work and dedication from our Penn State University team, all of the 875 kits for the National Honey Bee Disease Survey have been boxed and are ready to be shipped out to 33 states. We did encounter some problems in trying to obtain supplies and equipment for sample kits. Most were due to shipp...
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This frame contains a bee disease known as Chalkbrood. This disease is fairly common and affects the bees at the larval stage, killing brood in a matter of 2 days once they are capped. It will not kill a colony but it will weaken it. Notice the spotty brood pattern which is a sign of an unhealthy colony.
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On day three of the prgression image all the drone cells have hatched. The pollen formation has changed slightly and there is also small difference in the capped honey cell formation.
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This is a healthy bee frame taken from a hive at the USDA-ARS Bee Research lab in Beltsville, MD.
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In day seven of the progression image many of the larvae have emerged. The honey pattern is slightly less than the previous day and there is a higher amount of uncapped brood. If you look closely you can see worker bees emerging. When I brought the frame into the lab, there were only two bees crawling around on it, how...
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This is day four of the healthy bee frame progression. As you can see, the frame has not changed drastically over the weekend although it does look slightly different than before. Many of the cells filled with pollen in the previous images are no longer and there are higher amounts of uncapped brood cells present.
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This is the same healthy frame from USDA Bee Research Lab in Beltsville. Unfortunately, the frame has not progressed very much due to the fact that it was kept in the lab overnight. Although there was some hatched brood it mostly took place on the opposite side of the frame not shown in the image, however if you look a...
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On the final day of the healthy bee frame much of the capped brood has emerged and the young brood is beginning to mature. The honey pattern has changed once again. If you look carefully you can once again see the new workers emerging though not as many as in the day before.
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This frame is an example of American Foulbrood disease which is highly transmittable and one of the most destrucitve and widespread brood diseases. It is very difficult to treat and if it does not kill a colony it will seriously weaken it. Paenibacillus larvae, the cause of AFB, only affects brood two days and younger....
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