Table 2. Percent of vectors from each habitat that tested positive by PCR for 11 different types of vertebrate DNA.

Vertebrate host	N	Domestic	Peri-domestic	Likelihood ratio	p-value*
		%	%	Chi Square
Human	13	41	2	22.14	<0.0001
Cow	9	17	8	1.65	n.s.
Chicken	18	7	31	7.06	<0.01
Pig	34	34	46	1.05	n.s.
Guinea pig	7	10	7	0.16	n.s.
Goat	11	7	17	1.89	n.s.
Dog	24	41	23	2.93	n.s.
Donkey, cat, sheep, or mouse	0	0	0
No blood sources detected	12	10	17	0.75	n.s.

^*Probability a blood source is randomly distributed between domestic and peri-domestic habitat types.