TABLE 4.

Serological test results for samples obtained from animals coming from naturally infected herds^a

Animal no.	Result
	BPATb	FPA (mP)c	Glyco-iELISA	Isolation
1	POS	175	1.22	B. suis biovar 1
2	POS	230	1.24	B. suis biovar 1
3	POS	247	1.28	NEG
4	POS	258	1.24	NEG
5	POS	187	1.24	NEG
6	POS	250	1.25	NDd
7	POS	126	1.18	ND
8	NEG	72	0.41	ND
9	POS	254	1.25	ND
10	POS	126	1.12	ND
11	POS	148	1.22	ND
12	POS	235	1.25	ND
13	POS	273	1.22	ND
14	POS	250	1.22	ND
15	NEG	67	0.25	ND
16	POS	257	1.24	ND
17	POS	230	1.25	ND
18	POS	120	1.21	ND
19	POS	265	1.27	ND
20	POS	270	1.26	ND
21	POS	235	1.17	ND
22	POS	103	1.19	ND
23	POS	215	1.21	ND
24	POS	265	1.22	ND
25	POS	253	1.23	ND
26	POS	153	1.24	ND
27	POS	255	1.27	ND
28	POS	230	1.31	ND
29	POS	143	1.23	ND
30	POS	235	1.25	ND
31	POS	242	1.28	ND
32	POS	ND	1.17	B. suis biovar 2
33	POS	ND	1.15	B. suis biovar 2
34	POS	ND	1.14	B. suis biovar 2
35	POS	ND	1.15	B. suis biovar 2
36	POS	ND	1.11	B. suis biovar 2
37	POS	ND	1.09	B. suis biovar 2
38	POS	ND	1.13	B. suis biovar 2
39	POS	ND	1.25	B. suis biovar 2
40	POS	ND	1.22	B. suis biovar 2
41	POS	ND	1.21	B. suis biovar 2

^aSerological test results for serum samples obtained from animals coming from pig farms with at least one animal with positive isolation of B. suis.

^bBPAT, NEG, negative; POS, positive.

^cFPA cutoff value, >85 mP.

^dND, not done. Brucella isolation from animals 6 to 31 was not attempted because no tissue and/or organs samples were available. None of these animals showed signs of illness up to the time of sampling.