Open Access
Table 1
Studies included in the analysis.
| Study ID | Sampling time | Province | Detection method | Positive samples/total samples (Coccidia) | Quality score | Quality level |
|---|---|---|---|---|---|---|
| Central China | ||||||
| Liu [50] | 2012.6–2012.11 | Henan | Comprehensive approach | 83/460 | 5 | High |
| Zhao et al. [91] | 2011 | Henan | Comprehensive approach | 134/218 | 3 | Middle |
| Shi et al. [70] | 2009.7–2009.11 | Henan | Saturated saline water floating | 570/1520 | 3 | Middle |
| Zhang et al. [97] | UN | Henan | Saturated saline water precipitation | 110/503 | 3 | Middle |
| Chen et al. [12] | 2013.3–2013.5 | Henan | Comprehensive approach | 136/466 | 5 | High |
| Zhang et al. [98] | 1999.03–1999.05 | Henan | Saturated saline water precipitation | 66/223 | 3 | Middle |
| Dong et al. [18] | 2010 | Henan | Saturated saline water precipitation | 37/73 | 5 | High |
| Zhan and Zhao [90] | UN | Hunan | Comprehensive approach | 28/32 | 2 | Middle |
| Eastern China | ||||||
| Ye [85] | UN | Zhejiang | Others | 56/215 | 3 | Middle |
| Liu et al. [48] | 2014.6–2014.12 | Shandong | Saturated saline water floating | 35/763 | 3 | Middle |
| Zhao et al. [94] | 2005.1–12 | Shanghai | Saturated saline water precipitation | 269/718 | 5 | High |
| Lu and Zhang [54] | 1990.03–1991.10 | Anhui | Saturated saline water floating | 233/280 | 4 | High |
| Li et al. [44] | UN | Anhui | Saturated saline water floating | 540/814 | 4 | High |
| Dong et al. [18] | 2010 | Shanghai | Saturated saline water precipitation | 88/169 | 5 | High |
| Shandong | ||||||
| Dong et al. [19] | 2010.11–2011.03 | Jiangsu | Others | 295/626 | 4 | High |
| Northern China | ||||||
| Nie et al. [64] | 2015–2017 | Inner Mongolia | Comprehensive approach | 159/1009 | 2 | Middle |
| Wang et al. [79] | 2007.7–2009.8 | Shanxi | Saturated saline water floating | 136/1200 | 3 | Middle |
| Sun [74] | 2003.03–2003.04 | Inner Mongolia | Comprehensive approach | 76/265 | 4 | High |
| Xu et al. [83] | 2009.01–2009.11 | Beijing | Saturated saline water floating | 1953/3419 | 4 | High |
| Cao [8] | 2015.11–2016.11 | Hebei | Saturated saline water floating | 107/1020 | 4 | High |
| Dong et al. [18] | 2010 | Beijing | Saturated saline water precipitation | 89/183 | 5 | High |
| Inner Mongolia | ||||||
| Northwestern China | ||||||
| Wang [78] | UN | Qinghai | Saturated saline water floating | 268/460 | 2 | Middle |
| Cong [13] | 2011.7–2012.8 | Shaanxi | Comprehensive approach | 65/177 | 3 | Middle |
| Feng et al. [24] | UN | Shaanxi | Saturated saline water floating | 25/49 | 3 | Middle |
| Zhan [89] | 1989.3–1989.5 | Qinghai | Saturated saline water floating | 37/48 | 5 | High |
| Zhang et al. [96] | 2016.6–2016.8 | Xinjiang | Saturated saline water floating | 172/524 | 3 | Middle |
| 2017.1–2017.2 | ||||||
| 2018.1–2018.3 | ||||||
| Ma [55] | 2012.9–2014.12 | Xinjiang | Saturated saline water floating | 48/128 | 3 | Middle |
| Ma et al. [56] | UN | Xinjiang | Comprehensive approach | 75/211 | 3 | Middle |
| Ni et al. [63] | 2014.09 | Gansu | Saturated saline water floating | 108/234 | 4 | High |
| Li [46] | UN | Qinghai | Saturated saline water floating | 38/50 | 3 | Middle |
| E L [20] | UN | Qinghai | Saturated saline water floating | 156/500 | 2 | Middle |
| Guo et al. [26] | 2014.05–2015.10 | Qinghai | Saturated sucrose floating | 310/587 | 4 | High |
| Zhai et al [88] | UN | Shaanxi | Saturated saline water floating | 22/48 | 3 | Middle |
| Jiang [34] | 2013.05–2013.06 | Xinjiang | Saturated sucrose floating | 166/718 | 4 | High |
| Zhang et al. [95] | 2016.08–2016.10 | Xinjiang | Saturated sucrose floating | 487/1391 | 5 | High |
| Zhao [92] | UN | Shaanxi | Saturated saline water floating | 22/48 | 4 | High |
| Dong et al. [32] | 2010.11–2011.01 | Qinghai | Others | 113/324 | 4 | High |
| Southern China | ||||||
| Liang et al. [47] | 2016.4 | Guangdong | Comprehensive approach | 358/1440 | 3 | Middle |
| Wei et al. [81] | 2013–2014 | Guangxi | Comprehensive approach | 697/2952 | 4 | High |
| Wu et al. [82] | 2014.1 | Guangxi | Comprehensive approach | 128/109 | 2 | Middle |
| Mi et al. [58] | UN | Guangxi | Saturated saline water floating | 50/100 | 2 | Middle |
| Southwestern China | ||||||
| Yu et al. [87] | UN | Sichuan | Others | 10/50 | 2 | Middle |
| Zhao [14] | 1990 | Guizhou | Saturated saline water floating | 748/1202 | 3 | Middle |
| Li [43] | 2017.8–2017.9 | Yuannan | Comprehensive approach | 15/44 | 5 | High |
| Jiang and Zhu [33] | 1986.9–1986.12 | Sichuan | Others | 46/122 | 2 | Middle |
| Shen et al. [69] | 2018.1.20 | Sichuan | Comprehensive approach | 13/90 | 5 | High |
| He et al. [31] | 2007.05–2008.10 | Sichuan | Saturated saline water floating | 150/500 | 3 | Middle |
| Dong et al. [18] | 2010 | Sichuan | Saturated saline water precipitation | 3/10 | 5 | High |
| Liu [49] | 2011.10–2011.11 | Yunnan | Saturated saline water floating | 37/118 | 2 | Middle |
UN*: unclear.
ND*: No data.
Region*: Central China: Henan; Eastern China: Zhejiang, Shandong, Shanghai, Anhu, Hunan Northern China: Inner Mongolia, Shanxi, Beijing, Hebei; Northwestern China: Qinghai, Shaanxi, Xinjiang, Gansu; Southern China: Guangdong, Guangxi; Southwestern China: Sichuan, Guizhou, Yunnan.
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