Sampling point | ||||
---|---|---|---|---|
Pre-mating | Mid gestation | Late gestation | Farrowing | |
V | 0/186 (0.0%) CI: 0.0% | 1/178 (0.6%) CI: −0.5-1.7% | 0/177 (0.0%) CI: 0.0% | 0/172 (0.0%)a CI: 0.0% |
NV | 0/60 (0.0%) CI: 0.0% | 0/52 (0.0%) CI: 0.0% | 0/51 (0.0%) CI: 0.0% | 2/49 (4.1%)b CI: −1.5-9.6% |