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

Figure 3. Image of Nosema spores at 400× magnification on a hemocytometer grid. In this image, 1 of the 25 blocks (each of which contains 16 squares) that appears on the hemocytometer grid is visible.

Credit: Used with permission from Randy Oliver (http://scientificbeekeeping.com)