Percent Positive
Species Fresh Frozen
L. innocua 22.0% 10.8%
L. welshimeri 25.4% 30.8%
L. monocytogenes 18.6% 35.4%
L . seeligeri ND* 1.5%
L. grayi ND* 1.5%
*ND = not detected
Table 3: Percent Listeria species identified from catfish nuggets by API® Listeria.