Table 1.
Category | n | Positives | AS (%) | TS (%) |
---|---|---|---|---|
Sex | ||||
Female | 869 | 516 | 59.4 | 61.1 |
Male | 131 | 59 | 45 | 45.7 |
Breed | ||||
Holstein | 601 | 395 | 65.7 | 67.8 |
Ayrshire | 11 | 7 | 63.6 | 65.5 |
Crossbreed | 88 | 46 | 52.3 | 53.5 |
Cebu | 22 | 11 | 50 | 51.1 |
Jersey | 21 | 10 | 47.6 | 48.5 |
Normando | 257 | 106 | 41.2 | 41.7 |
AS=Apparent seroprevalence, TS=True seroprevalence, IBR=Infectious bovine rhinotracheitis