Table 3. Cross tabulation of results obtained with the three PCRs on 411 specimens from cattle under natural infection conditions.

Test		TvPRAC PCR
		Positive		Negative		Total
		n	%	n	%	N	%
18S PCR-RFLP	Positive*	13	3.2	12	2.9	25	6.1
	Negative	21	5.1	365	88.8	386	93.9
ITS-1 PCR	Positive*	25	6.1	68	16.5	93	22.6
	Negative	9	2.2	309	75.2	318	77.4
Total		34	8.3	377	91.7	411

for the T. vivax-specific band.