Figure 2.
Date of L. monocytogenes PFGE type isolation from pond and fecal samples collected near the pond. In total, PFGE was performed on 31 and 13 isolates from pond and fecal samples, respectively. The colored squares indicate at least one isolate of the given PFGE type was isolated on the given date from pond
or fecal
samples; dates when a sample was collected, but the specified PFGE type was not isolated are represented by
, and dates when a sample was collected but was negative for L. monocytogenes are represented by
. At each sampling event, 3 pond samples were collected. Fecal samples were collected opportunistically (i.e., when feces were present). If no fecal samples were collected, the square is white.
