Occurrence and characterisation of biofilms in drinking water systems of broiler houses

BMC Microbiology

Table 3 Strong biofilm-forming genera and their presence on the different broiler farms

Identification	Evaluated isolates		TAC		PSEUDO		K1	K2	K3	K4	K5
Identification	n	strong biofilm (%)	n	strong biofilm (%)	n	strong biofilm (%)	K1	K2	K3	K4	K5
Pseudomonas spp.	76	83	29	86	47	81	+ ^a		+	+	+
Stenotrophomonas spp.	23	87	13	92	10	80	+	+	+	+	+
Acinetobacter spp.	9	44	5	20	4	75	+
Microbacterium spp.	8	13	8	13					+
Delftia spp.	5	40	4	50	1	0	+		+
Pseudoxanthomonas spp.	4	25	4	25							+
Shewanella spp.	4	75	3	67	1	100	+
Comamonas spp.	3	67	2	50	1	100					+
Brevundimonas spp.	2	50	2	50						+
Ochrobactrum spp.	2	100	1	100	1	100	+
Sphingobium spp.	2	50	2	50						+
Sphingomonas spp.	2	50	2	50							+
Flavimonas spp.	1	100			1	100			+
Nocardioides spp.	1	100	1	100							+

The number of evaluated isolates (n) together with the proportion of strong biofilm-formers given in percentage (%) is shown per genus. ^a +, indicates the presence of the genus as strong biofilm former in the corresponding broiler farm

ISSN: 1471-2180