Research Article
Investigations on the Occurrence and Associated Risk Factors of Avian Coccidiosis in Osun State, Southwestern Nigeria
Table 2
Monthly and seasonal distribution of avian coccidiosis in Osun State, Nigeria (2006–2015).
| | Months | Total cases (%) | Cases of coccidiosis (%) | Month/season specific rates (%) | OR | 95% CI | value |
| | January | 204 (3.7) | 84 (3.7) | 41.2 | 0.19 | 0.13–0.27 | <0.0 | | February | 1020 (18.4) | 180 (7.9) | 17.7 | 0.06 | 0.04–0.08 | <0.0 | | March | 444 (8.0) | 192 (8.4) | 43.2 | 0.20 | 0.15–0.27 | <0.0 | | April | 216 (3.9) | 96 (4.2) | 44.4 | 0.21 | 0.15–0.30 | <0.0 | | May | 588 (10.6) | 276 (12.0) | 46.9 | 0.24 | 0.18–0.31 | <0.0 | | June | 564 (10.2) | 180 (7.9) | 31.9 | 0.13 | 0.09–0.17 | <0.0 | | July | 360 (6.5) | 48 (2.1) | 13.3 | 0.04 | 0.03–0.06 | <0.0 | | August | 372 (6.7) | 60 (2.6) | 16.1 | 0.05 | 0.04–0.07 | <0.0 | | September | 660 (11.9) | 288 (12.6) | 43.6 | 0.21 | 0.16–0.27 | <0.0 | | October | 576 (10.4) | 456 (19.9) | 79.2 | 1.01 | 0.75–1.37 | 0.93 | | November | 84 (1.5) | 72 (3.1) | 85.7 | 1.60 | 0.85–3.19 | 0.15 | | | 456 (8.2) | 360 (15.7) | 79.0 | 1.00 | | | | Total | 5544 (100.0) | 2292 (100.0) | 41.3 | | | | | Seasons | | | | | | | | Wet | 3492 (63.0) | 1608 (70.2) | 46.0 | 1.71 | 1.52–1.91 | <0.0 | | 2052 (37.0) | 684 (29.8) | 33.3 | 1.00 | | | | Total | 5544 (100.0) | 2292 (100.0) | 41.3 | | | |
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category. . OR = odds ratio; CI = confidence interval.
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