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A nuc (nucleus) hive has all the features of a standard 10-frame hive except on a reduced scale. The nuc hive is used for making splits, swarm control, queen introduction, pollen/nectar monitoring, to name a few. This version is put out by the U.S.D.A.

Download the USDA 5-Frame Nucleus Beehive Plans - PDF format

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Here is a Langstroth Nuc version

Download the 5-Frame Langstroth Nuc Plans - PDF format