Table 2.
Descriptive data about prevalence and N. caninum-related abortion in dairy heifers after by selective culling and artificial insemination (AI) using Hereford semen on seropositive dairy cattle.
| Year | |||||
|---|---|---|---|---|---|
| 2011 | 2012 | 2013 | 2014 | 2015 | |
| Prevalence (%) | 28.0 | 19.3 | 15.9 | 8.9 | 6.1 |
| Abortion (%) | 13.3 | 4.9 | 8.6 | 3.7 | 4.3 |
| Total (n) | 375 | 409 | 523 | 327 | 578 |