Table 2.
Annual abattoir prevalence of hydatid cysts based on postmortem findings in slaughtered cattle.
| Year | No. of slaughtered cattle (n) | No. of positives | Condemned organs | Combined prevalence (%) |
|---|---|---|---|---|
| 1994 | 3500 | 144 | Lung (142) | 4.11 (95% CI: 3.49–4.83) |
| Liver (2) | ||||
| 1995 | 3973 | 102 | Lung (99) | 2.59 (95% CI: 2.14–3.13) |
| Liver (2) | ||||
| Spleen (1) | ||||
| 1996 | 791 | 15 | Lung (15) | 1.90 (95% CI: 1.11–3.19) |
| Liver (0) | ||||
| 1999 | 30497 | 1103 | Lung (1035) | 3.62 (95% CI: 3.41–3.84) |
| Liver (68) | ||||
| 2000 | 14268 | 630 | Lung (616) | 4.42 (95% CI: 4.09–4.77) |
| Liver (14) | ||||
| 2001 | 2633 | 123 | Lung (121) | 4.67 (95% CI: 3.91–5.56) |
| Liver (2) | ||||
| 2003 | 36124 | 997 | Lung (953) | 2.76 (95% CI: 2.59–2.94) |
| Liver (44) | ||||
| 2004 | 25604 | 645 | Lungs (539) | 2.52 (95% CI: 2.33–2.72) |
| Liver (106) | ||||
| 2005 | 10893 | 456 | Lungs (433) | 4.19 (95% CI: 3.83–4.59) |
| Liver (23) | ||||
| 2006 | 12641 | 197 | Lung (182) | 1.55 (95% CI: 1.35–1.78) |
| Liver (15) | ||||
| 2007 | 17532 | 277 | Lung (246) | 1.58 (95% CI: 1.40–1.78) |
| Liver (31) | ||||
|
| ||||
| Total | 158,456 | 4,689 | 2.96 (95% CI: 2.88–3.04) | |