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Table 2 Estimates of coccidia infection in pigs in China

From: Prevalence of coccidia in domestic pigs in China between 1980 and 2019: a systematic review and meta-analysis

Region Estimated number of pigs in various regions of Chinaa Prevalence of Coccidia infection of pigs in various regions of China (95% CI) Estimated number of pigs with Coccidia infection
North China 32,997,000 39.6% (33.7–46.4) 13,066,812 (11,119,989–15,310,608)
Northeast China 36,530,000 33.7% (23.3–48.7) 12,310,610 (8,511,490–17,790,110)
East China 92,947,000 17.6% (10.7–28.9) 16,358,672 (9,945,329–26,861,683)
Central China 109,366,000 25.0% (18.2–34.2) 27,341,500 (19,904,612–37,403,172)
South China 48,261,000 16.1% (12.3–21.0) 7,770,021 (5,936,103–10,134,810)
Southwest China 102,366,000 26.4% (16.4–42.4) 27,024,624 (16,788,024–43,403,184)
Northwest China 19,121,000 39.6% (16.7–93.6) 7,571,916 (3,193,207–17,897,256)
Total 441,588,000 21.9% (17.5–27.4) 96,707,772 (77,277,900–120,995,112)
  1. The values in parentheses in column 4 was defined as the product of the estimated value (column 2) and the upper and lower bounds of the confidence interval (column 3)
  2. aEstimates of the number of pigs in each region were obtained from 2017 data of the Chinese Animal Husbandry and Veterinary Yearbook report