Table 1. Results of diagnostic tests for Trypanosoma vivax performed in cattle herd of the naturally infected in Zona da Mata region of Minas Gerais.

Test	Results
	Positive	Negative
Woo’s technique	4/37 (10.81%)	33/37 (89.19%)
Buffy coat smear	4/37 (10.81%)	33/37 (89.19%)
Whole Blood smear	4/37 (10.81%)	33/37 (89.19%)
ELISA	33/37 (89.19%)	4/37 (10.81%)
PCR	27/37 (72.97%)	10/37 (27.03%)