Table C.
Number of cattle by age with different levels of strongyles and coccidian infections in the high tropics of Antioquia, Colombia.
| Parasite burden | < 1 year old (n = 134) Percent (± S.E) 95% CI |
> 1 year old (n = 797) Percent (± S.E) 95% CI |
||
|---|---|---|---|---|
| Strongyles (epg) | ||||
| Negative (0) | 54.9 (6.3) | 41.3–68.4 | 70.6 (2.3) | 65.5–75.6 |
| Light (1–200) | 39.1 (5.1) | 28.0–50.2 | 27.9 (2.1) | 23.3–32.5 |
| Moderate (201–700) | 3.4 (1.3) | 0.4–6.3 | 0.8 (0.4) | − 0.09–1.8 |
| High (> 700) | 2.6 (0.8) | 0.7–4.5 | 0.6 (0.4) | − 0.3–1.5 |
| Coccidia (oocyst/g) | ||||
| Negative (0) | 29.5 (5.0) | 18.8–40.0 | 68.9 (2.4) | 63.7–74.0 |
| Low (1–1000) | 61.4 (4.8) | 51.1–71.7 | 30.1 (2.7) | 24.3–35.8 |
| Moderate (1000–5000) | 6.6 (2.3) | 1.6–11.6 | 0.9 (0.6) | − 0.4–2.3 |
| High (> 5000) | 2.5 (1.3) | − 0.2–5.2 | 0.1 (0.1) | − 0.1–0.3 |
CI: confidence interval, epg: eggs per gram.