Table 3 A linear regression model of BHV-1sero prevalence with Neospora within herd prevalence, the disclosure of BVD virus positive animals in the herd, herd size, the number of animals dead per year, mortality rate, mortality rate up to 30Â days as predictors which fit
|  | Coef. | Std. Err. | t | P > t | 95% Conf. interval | |
|---|---|---|---|---|---|---|
Neospora within herd sero prevalence | 0.852 | 0.369 | 2.11 | 0.022 | 0.123 | 1.562 |
Disclosure of BVD virus positive animals in herd | 11.466 | 5.249 | 2.18 | 0.031 | 1.083 | 21.851 |
Herd Size | 0.139 | 0.049 | 2.84 | 0.05 | 0.042 | 0.236 |
Overall mortality | −2.416 | 0.977 | −2.47 | 0.015 | −4.350 | −0.483 |
Mortality rate | 3.716 | 1.325 | 2.80 | 0.006 | 1.095 | 6.337 |
Mortality rate up to 30 days of age | −0.186 | 0.076 | −2.45 | 0.015 | −0.337 | −0.036 |
Intercept | 15.654 | 6.649 | 2.35 | 0.020 | 2.501 | 28.807 |