Image: Emaxima oocysts usda
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Description: Seven species of Eimeria are known to infect chickens: E. acervulina, E. brunetti, E. maxima, E. mitis, E. necatrix, E. praecox, and E. tenella. Eimeria oocysts vary in size, with E. maxima being the largest (about 20 x 30 microns) and E. mitis the smallest (about 14 x 16 microns). The oocysts are discernable only by use of a compound microscope.
Title: Emaxima oocysts usda
Credit: http://www.ars.usda.gov/Main/docs.htm?docid=11018
Author: USDA ARS
Usage Terms: Public domain
License: Public domain
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