Diagnosing, Pests, and Disease
In this section
So what killed your bees? While beekeepers cannot control harsh winter conditions that can cause winter hive deaths there are other causes for winter loss that are readily preventable. If you examine dead hives in an organized manner by working with a standard plan, you are more likely to be observant of all available important clues.
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This comprehensive document contains info on fall management, preparing for winter, how to be a good beekeeper in January, and diagnosing spring colony deadouts.
If you want to specifically learn how to diagnose deadouts, that begins on page 14.