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Table 2 Nominal values of parameters included in the sensitivity analysis

From: Modelling the effects of antimicrobial metaphylaxis and pen size on bovine respiratory disease in high and low risk fattening cattle

Parameter name

Role

Nominal value

Source

mean_dur_I

Mean duration in I state (h)

5 * 24

Assumed

mean_dur_pI

Mean duration in pI state (h)

3 * 24

Assumed

pathogen_transmission_rate

Transmission rate by infectious individuals (h−1)

0.01

Assumed

p_death

Probability that an animal with severe clinical signs eventually dies from BRD

0.05

Best guess

dur_MC_fact

Factor modifying the delay between infection and onset of severe clinical signs

1

 

p_severe_clinical

Probability that an animal with mild clinical signs eventually develops severe clinical signs

0.5

Best guess

dur_before_death

Duration of severe clinical signs before death for animals dying from BRD (h)

10 * 24

Assumed

Se_MC

Sensitivity of the detection based on mild clinical signs

0.3

[15]

Se_SC

Sensitivity of the detection based on severe clinical signs

0.6

[16]

Sp

Specificity of the detection based on clinical signs

0.9

[15]

p_recovery

Probability that one antimicrobial dose will stop the infection

0.8

Best guess