Short Communication: Prevalence of Listeria monocytogenes in Raw Milk of Healthy Sheep and Goats

Figure 1

Touchdown PCR assay for the detection of Listeria spp. (a) and L. monocytogenes (b) in raw milk samples. A: Lane M: standard DNA marker; Lane 1: positive control; Lane 2: negative control; Lanes 3 and 4: positive samples for Listeria spp. B: Lane M: standard DNA marker; Lane 1: positive control; Lane 2: negative control; Lanes 3–5: positive samples for L. monocytogenes.