Table 1.
Frequency and prevalence of Listeria spp. and L. monocytogenes in fecal and agricultural water samples.
Sample Typeb | Location | No. of Samples | No. of samples positive for (Prevalence in %) |
||||
---|---|---|---|---|---|---|---|
Listeria spp.a | L. innocua | L. seeligeri | L. welshimeri | L. monocytogenes | |||
Fecal | - | 77 | 11 (14) | 6 (8) | 4 (5) | 1 (1) | 22 (29) |
Near Pond | 64 | 9 (14) | 4 (6) | 4 (6) | 1 (2) | 13 (20) | |
Near Stream | 13 | 2 (15) | 2 (15) | 0 (0) | 0 (0) | 9 (69) | |
Water | - | 132 | 39 (30) | 14 (11) | 20 (15) | 5 (4) | 64 (48) |
Pond | 80 | 25 (31) | 8 (10) | 15 (19) | 2 (3) | 31 (39) | |
Stream | 52 | 14 (27) | 6 (12) | 5 (10) | 3 (6) | 33 (63) |
Listeria spp. includes L. innocua, L. seeligeri, and L. welshimeri.
In addition to the water samples collected from the pond water, one sediment sample was also collected and tested positive for L. innocua.