Table 2 Univariate analysis of the risk for generalized LSD in the outbreak in Ein-Zurim, 2006

First lactation cows (1)

43/105 (41%)

Reference

NA

Second lactation cows (2)

41/100 (41%)

1 (0.72-1.39)

1

Pre-calving (3)

9/16 (56.2%)

1.37 (0.84-2.24)

0.29

Replacement heifers pending insemination and in early pregnancy (4)

11/36 (30.6%)

0.75 (0.43-1.28)

0.32

Replacement heifers (10-12 months old) (5)

13/60 (21.7%)

0.53 (0.31-0.9)

0.016

Pregnant replacement heifers (6)

9/29 (31%)

0.76 (0.42-1.37)

0.39

Dry cows (7)

9/34 (26.5%)

0.65 (0.35-1.18)

0.16

High parity (8)

21/41 (51.2%)

1.25 (0.86-1.82)

0.27

Fattening calves (9)

29/84 (34.5%)

0.84 (0.58-1.22)

0.45

Suckling calves (10)

21/105 (20%)

0.49 (0.31-0.76)

0.002