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ENY-167: How to Quantify Nosema Spores Infection Rate in a Honey Bee Colony

Figure 1. Adult worker bees being crushed in a zip-locking bag with a rolling pin: a) whole bees in the bag with no additional liquid (just prior to crushing with the rolling pin), b) bees that have been crushed by the rolling pin prior to adding water, c) combination of crushed bees and water (1 ml of water per bee) in the zip-locking bag.

Credit: Liana Teigen (, University of Florida.