Table 2.
General characteristics of horses and seroprevalence of Sarcocystis neurona and Neospora hughesi.
| Seropositive S. neurona
|
Seropositive N. hughesi
|
||||||
|---|---|---|---|---|---|---|---|
| Characteristics | No. of horses tested | No. | % | P value | No. | % | P value |
| Age (year) | |||||||
| 0.4–1 | 28 | 8 | 28.6 | 0.004 | 0 | 0 | 0.25 |
| 2–5 | 195 | 84 | 43.1 | 9 | 4.6 | ||
| 6–10 | 176 | 101 | 57.4 | 2 | 1.1 | ||
| 11–15 | 63 | 27 | 42.9 | 3 | 4.8 | ||
| 16–22 | 33 | 20 | 60.6 | 1 | 3 | ||
| Sex | |||||||
| Male | 392 | 182 | 46.4 | 0.07 | 12 | 3.1 | 0.61 |
| Female | 103 | 58 | 56.3 | 3 | 2.9 | ||
| Breed | |||||||
| Pure | 385 | 199 | 51.7 | 0.007 | 10 | 2.6 | 0.22 |
| Mixed | 110 | 41 | 37.3 | 5 | 4.5 | ||
| Health status | |||||||
| Ill | 10 | 4 | 40 | 0.41 | 1 | 10 | 0.26 |
| Healthy | 485 | 236 | 48.7 | 14 | 2.9 | ||
| Location | |||||||
| Urban | 77 | 46 | 59.7 | 0.03 | 5 | 6.5 | 0.06 |
| Rural | 418 | 194 | 46.4 | 10 | 2.4 | ||
| Feeding | |||||||
| Grains/crops | 442 | 223 | 50.5 | 0.01 | 15 | 3.4 | 0.17 |
| Grass | 53 | 17 | 32.1 | 0 | 0 | ||
| Herd size | |||||||
| 3–28 | 201 | 112 | 55.7 | 0.007 | 4 | 2 | 0.26 |
| 30–64 | 294 | 128 | 43.5 | 11 | 3.7 | ||