Winter Losses: 5-NIL
Colonies can fail over winter. Surveys suggest that about 10% fail in a good year; more in a bad one. At the moment, none of my colonies have failed. I'm happy.
It's too early to be certain that all will survive into summer. Each colony will strike a balance between brood production and foraging. If they make too much brood when the forage is poor, they may starve.
Failure can happen because of disease, starvation or an external event. There are lots of diseases and lots of events. There is only one cause of starvation.
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