Table 2: Share of Listeria spp. and Listeria monocytogenes in feed depending of type of farm and season.

SeasonOrganic farmingConventional farming
Number of samplesListeria spp., 𝑛 (%)L. monocytogenes, 𝑛 (%)Number of samplesListeria spp., 𝑛 (%)L. monocytogenes, 𝑛 (%)

Winter194 (7.4)10 (18.5)302 (2.6)8 (10.5)
Spring142 (3.7)2 (3.7)1400
Summer6001400
Autumn152 (3.7)4 (7.4)182 (2.6)2 (2.6)
Total548 (14.8)16 (29.6)764 (5.2)10 (13.1)