Table 1.

Seroprevalence of Sarcocystis neurona and Neospora hughesi in domestic horses in Durango, Mexico.

			Seropositive to S. neurona		Seropositive to N. hughesi
Municipality	Farm	No. of horses tested	No.	%	No.	%
Durango	DG-1	35	15	42.9	2	5.7
	DG-2	22	14	63.6	1	4.5
	DG-3	62	20	32.3	4	6.5
	DG-4	18	9	50	0	0
	DG-5	31	23	74.2	3	9.7
	DG-6	18	9	50	0	0
	DG-7	7	7	100a	0	0
	DG-8	25	23	92	0	0
	DG-9	3	2	66.7	1	33.3
	DG-10	28	14	50	2	7.1
	DG-11	54	30	55.6	0	0
	DG-12	42	19	45.2	1	2.4
	DG-13	27	11	40.7	0	0
	DG-14	6	4	66.7	0	0
	All	378	200	52.9b	14	3.7
Guadalupe Victoria	GV-1	28	6	21.4	0	0
	GV-2	19	13	68.4	0	0
	GV-3	30	5	16.7	0	0
	All	77	24	31.2	0	0
Nuevo ideal	NI-1	40	16	40	1	2.5
All		495	240	48.5	15	3

^aStatistically significant difference among farms (P < 0.001).

^bStatistically significant difference among municipalities (P = 0.001).