Development and Application of an iELISA for the Detection of Antibody against Salmonella Abortusequi

Table 3

Serological surveillance of equine abortus salmonellosis in China in 2021.

Sample source (province)	No. of farms	No. of samples	No. of positive	Prevalence (%) (95% CI)
Shandong	2	65	63	96.9 (96.81–96.99)
Hebei	2	100	67	67.0 (66.47–67.53)
Inner Mongolia	17	607	301	49.6 (49.49–49.71)
Xinjiang	3	50	19	38.0 (36.50–39.50)
Chongqing	1	20	3	15.0 (11.77–18.33)
Gansu	2	20	2	10.0 (7.21–12.79)
Shanxi	2	50	4	8.0 (6.98–9.02)
Henan	3	50	4	8.0 (6.98–9.02)
Guangzhou	1	50	3	6.0 (5.10–6.90)
Liaoning	4	50	3	6.0 (5.10–6.90)
Ningxia	1	50	3	6.0 (5.10–6.90)
Hubei	1	50	2	4.0 (3.25–4.75)
Sichuan	6	50	2	4.0 (3.25–4.75)
Guizhou	2	50	1	2.0 (1.46–2.54)
Beijing	1	50	1	2.0 (1.46–2.54)
Jilin	1	50	1	2.0 (1.46–2.54)
Tianjin	1	60	1	1.7 (1.28–2.12)
Jiangsu	1	50	0	0 (0)
Total	51	1472	480	32.6 (32.55–32.65)