Table 2.
Detection of Cryptosporidium spp. at the genus level, using PCR analysis.
| Group |
No. tested |
Cryptosporidium spp. |
|||
|---|---|---|---|---|---|
| No. positive (%) | 95% CIa | P-value | |||
| Sex | Male | 433 | 34 (7.9) | 5.3–10.4 | 0.634 |
| Female | 248 | 17 (6.9) | 3.7–10.0 | ||
| Unknown | 270 | 43 (15.9) | 11.6–22.3 | ||
| Type of cattle | Beef | 909 | 91 (10.0) | 8.1–12.0 | 0.521 |
| Dairy | 21 | 3 (14.3) | 0–29.3 | ||
| Unknown | 21 | – | |||
| Region | Northern | 222 | 8 (3.6) | 1.2–6.1 | <0.001 |
| Central | 146 | 29 (19.9) | 13.4–26.3 | ||
| Southern | 583 | 57 (9.8) | 7.4–12.2 | ||
| Season | Spring (Mar–May) | 252 | 17 (6.8) | 3.7–9.8 | 0.105 |
| Summer (Jun–Aug) | 240 | 31 (12.9) | 8.7–17.2 | ||
| Fall (Sep–Nov) | 250 | 28 (11.2) | 7.3–15.1 | ||
| Winter (Dec–Feb) | 209 | 18 (8.6) | 4.8–12.4 | ||
| Type of diarrhea | Hemorrhagic | 105 | 10 (9.5) | 3.9–15.1 | 0.987 |
| Watery | 419 | 42 (10.0) | 7.2–12.9 | ||
| Pasty | 427 | 42 (9.8) | 7.0–12.7 | ||
| Total | 951 | 94 (9.9) | 8.0–11.8 | ||
a
CI: Confidence interval.