Table 4 Parameters considered for the model sensitivity analysis.

Q1

Probability distribution of the shedding levels of all the I ⁻ and for the I ⁺ shedding in mucus/faeces after 4 weeks post calving

Distribution I

Distribution II

Distribution III

Distribution IV

 Low-level

0.85

0.6

0.25

0.15

 Mid-level

0.15

0.4

0.25

0.6

 High-level

0.0

0

0.5

0.25

ρ

 Proportion of bacteria shed through mucus and faeces filling the compartment

0.28

0.05

0.15

0.35

0.5

µ

 Elimination rate of C. burnetii from the herd environment

0.2

0.1

0.5

0.8

κ

 Ratio between µ _{plume source.} and µ

0.5

0.25

0.75

r

 Radius of a fomite particle

1e−6

0.5e−6

1.5e−6

W

 Deposition velocity due to gravitation

0.01

0.005

0.015