Table 4. Estimated number of bTB infection in dairy cattle in China.

Region	Estimated number of dairy cattle in China*	Prevalence of tuberculosis infection	Estimated number of dairy cattle with tuberculosis infection
Northern China	3,012,000	3.2% (1.1–6.3)	96,384 (33,132–189,756)
Northeastern China	1,656,000	2.3% (1.4–3.3)	38,088 (23,184–54,648)
Eastern China	1,368,000	3.9% (2.9–5.0)	53,352 (39,672–68,400)
Central China	439,000	2.0% (1.2–3.0)	8,780 (5,268–13,170)
Southern China	111,000	1.5% (0.4–3.1)	1,665 (444–3,441)
Southwestern China	1,405,000	1.1% (0.6–1.6)	15,455 (8,430–22,480)
Northwestern China	2,808,000	0.7% (0.5–1.0)	19,656 (14,040–28,080)
Total	10,799,000	2.4% (2.1–2.8)	259,176 (226,779–302,372)

*Estimates of the number of dairy cattle in each region were obtained from 2018 data of the Chinese Animal Husbandry and Veterinary Yearbook.