Microsporidiosis caused by
microsporidian parasites has been reported in
several genera of penaeid shrimp (Sprague and
Couch, 1971; Newman et al., 1976). Diseased
shrimp are recognized by the white opacity or
milky discoloration associated with the
musculature. Such microsporidian-infected shrimp
are known as “cotton shrimp” or “milk shrimp” in