Table 4.

Conjugation frequency and cotransferred resistance markers

Isolate No.	Protocol number	Frequency	Cotransferred resistance markers
1	31	8×10-5	Gm, Smx
2	32	5.5×10-4
3	35	3.5×10-5
4	36	1.2×10-4
5	37	1.4×10-5
6	39	8.4×10-5
7	40	4.5×10-5
8	41	0
9	43	10-4	Tet
10	44	5×10-4	Tet
11	45	1.6×10-6	Tet
12	46	4.5×10-6	Tet
13	47	1.6×10-4	Tet
14	49	0
15	50	0
16	51	7.2×10-6	Smx
17	53	1.57×10-5
18	54	0
19	55	5.6×10-6
20	56	0
21	58	0
22	59	0
23	60	0
24	64	1.5×10-4
25	65	1.2×10-4
26	66	3.1×10-5	Tet
27	69	0