TABLE 1.

Prevalence of resistance to cadmium, BC, and arsenic in isolates of L. monocytogenes of different serotypes and from different turkey-processing plants

Plant (n)No./total (%) or % of serotype resistant toa:
Serotype 1/2a, 3aSerotype 1/2b, 3bSerotype 4bSerotype 1/2c, 3cTotal
CdBCAsCdBCAsCdBCAsCdBCAsCdBCAs
A (75)38/3831/380/3823/2618/260/261/91/90/92/22/20/264/75 (85)52/75 (69)1/75 (1)
B (28)1/20/20/23/100/100/104/161/164/16NANANA8/28 (29)1/28 (4)4/28 (14)
C (14)0/80/80/82/21/20/20/20/20/21/21/20/23/14 (21)2/14 (14)0/14 (0)
D-F (6)5/61/63/61/61/60/6NANANANANANA6/6 (100)2/6 (33)3/6 (50)
Total44/5332/533/5329/3920/390/395/272/274/273/43/40/481/12357/1237/123
%8360674510197157575066466
  • a Cd, cadmium; As, arsenic. NA (not applicable), no isolates of the indicated serotype were available from the indicated processing plant.