Table 1 Results and summary statistics for univariate analyses for susceptibility to bovine tuberculosis ( M. bovis ) infection

All herds

184 302

0.11

0.094

−0.002 (0.004)

−0.011 (0.011)*

0.11 (0.006)

Beef herds

32 191

0.14

0.114

−0.026 (0.007)*

−0.092 (0.027)*

0.13 (0.016)

Dairy herds

126 646

0.09

0.098

−0.032 (0.005)*

−0.031 (0.012)*

0.12 (0.007)

All cows

105 526

0.20

0.110

−0.026(0.005)*

−0.002 (0.014)

0.14 (0.009)

Cows in beef herds

10 202

0.22

0.108

0.004(0.016)

−0.003 (0.062)

0.10 (0.027)

Cows in dairy herds

87 918

0.19

0.109

−0.025(0.006)*

−0.009(0.015)

0.15 (0.010)

All heifers

56 904

0.09

0.098

0.003 (0.006)

−0.018 (0.018)*

0.15 (0.014)

Heifers in beef herds

13 468

0.10

0.124

−0.002 (0.011)

0.018 (0.037)

0.19 (0.030)

Heifers in dairy herds

33 987

0.07

0.068

−0.012 (0.009)*

−0.019 (0.019)*

0.08 (0.013)

All steers

21 872

0.10

0.102

0.000 (0.009)

−0.042 (0.032)*

0.15 (0.030)

Steers in beef herds

8610

0.11

0.119

−0.009 (0.012)

−0.044 (0.044)*

0.18 (0.040)

Steers in dairy herds

4741

0.09

0.095

−0.000 (0.018)

−0.032 (0.046)

0.17 (0.047)