Table 1. Strong, moderate, and weak biofilm-forming capabilities of L. monocytogenes isolates from different sources analyzed by microtiter plate assay.

Biofilm-forming capability
Source of Isolates	Total	Strong	Moderate	Weak
Animal clinical	32	0(0.00%)	11(34.38%)	21(65.63%)
Human clinical	18	0(0.00%)	8(44.44%)	10(55.56%)
Meat	14	0(0.00%)	2(14.29%)	12(85.71%)
Milk	34	9(26.47%)	6(17.65%)	19(55.88%)
Total	98	9 (9.18%)	27(27.55%)	62(63.26%)