Mean CI | Week 1 | Week 3 | Week 5 | Total |
---|---|---|---|---|
Herds 1, 2 and 3 | ||||
Virus positive | 0.099 | 0.31 | 0.092 | 0.176 |
SD | 0.12 | 0.22 | 0.07 | 0.18 |
Virus negative | 0.072 | 0.348 | 0.078 | 0.17 |
SD | 0.09 | 0.39 | 0.05 | 0.27 |
P-value | 0.43 | 0.70 | 0.52 | 0.87 |
Prevalence of nasal discharge | ||||
Virus positive | 65.2% (30/46) | 69.6% (32/46) | 74.4% (32/43) | 69.6% (94/135) |
Virus negative | 38% (66/174) | 55.3% (88/162) | 57% (89/156) | 49.4% (243/492) |
P-value | 0.002 | 0.093 | 0.059 | < 0.0001 |