From: Prevalence of gastrointestinal parasites in free-range yaks (Bos grunniens) in Gansu Province, Northwest China
Pastures
No. tested
No. positive
Prevalence (%)
95% CIa
Winter pasturesb
414
178
43.00
38.23–47.76
Summer pasturesc
319
112
35.11
29.87–40.35
Total
733
290
39.56
36.02–43.10