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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 30 days as predictors which fit

From: Prevalence of Bovine Viral Diarrhoea Virus (BVDV), Bovine Herpes Virus 1 (BHV 1), Leptospirosis and Neosporosis, and associated risk factors in 161 Irish beef herds

  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
  1. Number of observations =139
  2. F (6,132) = 4.3
  3. Prob >F = 0.0005
  4. R-square = 0.1636
  5. Adj R- squared = 0.1256
  6. Root MSE = 27.85