Skip to main content

Table 1 Seroprevalence of Chlamydia abortus infection in white yaks associated with different factors in Tianzhu Tibetan Autonomous County, northwest China by indirect hemagglutination assay (IHA)

From: Seroprevalence and risk factors of Chlamydia abortus infection in free-ranging white yaks in China

Biometric data

Category

No. tested

No. positive

Prevalence (%)

Region

Zhuaxixiulong

73

21

28.77

Ā 

Xidatan

901

137

15.21

Sex

Male

289

50

17.30

Ā 

Female

685

108

15.78

Season

Spring

220

24

10.91

Ā 

Summer

273

68

24.91

Ā 

Autumn

231

26

11.26

Ā 

Winter

250

40

16.00

Age (yr)

0ā€‰<ā€‰yr ā‰¤1

115

14

12.17

Ā 

1ā€‰<ā€‰yrā€‰ā‰¤ā€‰2

180

27

15.00

Ā 

2ā€‰<ā€‰yrā€‰ā‰¤ā€‰3

175

36

20.57

Ā 

> 3

504

81

16.07

Total

Ā 

974

158

16.22