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August 2025 Varroa and Nosema Results

9/8/2025

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Varroa Diagnostic Results - August 2025

A graph showing monthly Varroa average loads for each month up to August 2025. There is a red line, indicating the 3 year APHIS National Average and a blue line indicating the monthly average at the UMD apiaries. In August the UMD apiary Varroa average has continued an upward trend and climbed to 7.5 Varroa per 100 bees. The 3 year APHIS National Average for August is around 2 Varroa per 100 bees.
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Nosema Diagnostic Results - August 2025

A graph showing the 3 Year APHIS National Average compared to the monthly average at the UMD Apiaries for Nosema. UMD Apiary shows an increase in average Nosema loads to 0.47 million spores per bee. The National average for August is less than 0.3 million spores per bee.
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