Table 2.

Distribution of seropositive cattle samples at different variables as tested by ELISA and PRNT

Variables	Levels	Total cattle	ELISA positive	ELISA doubtful	PRNT positive	Seropositivity by PRNT	Seropositivity by ELISA
Regions	Dodoma	171	9	2	8	4.7	5.8
	Manyara	84	0	0	0	0	0
	Mbeya	87	23	0	22	25.3	24.7
	Singida	101	1	1	1	0.9	0.9
Sex	Female	276	11	0	21	7.9	8.3
	Male	167	23	4	10	5.9	6.6
Age	Adult	30	27	3	25	9.4	10.1
	Young	419	6	0	6	3.7	3.7
Grazing	Extensive	387	30	3	28	6.9	7.4
	Indoors	56	3	6	3	15	15
Breed	Exotic	164	9	0	9	16.1	16.7
	Indigenous	276	23	3	22	5.9	6.5

PRNT = plaque reduction neutralization test.