| Parameter description | Baseline | Range | Ref. |
---|---|---|---|---|
ι i I | infectivity of species i in stage I | 0.00000023 | N/A | [12] |
ι i L | infectivity of species i in stage L (subclinical) | 0.000000115 | N/A | [8] |
ι i C | infectivity of species i in stage C (carrier infectivity) | 0.000000115 | N/A | [12] |
s 4 s | susceptibility of susceptible stage feedlot cattle | 5.0 | N/A | |
s i s | susceptibility of animals besides feedlot in stage S | 22.5 | N/A | [21] |
r(X) | 1/measure of density of animals in county | Â | N/A | USDA [1] |
a | constant of proportion for contact rate | 5 | N/A | N/A |
β ij mn | transmission rate from type j in stage n to type i in stage m |  | N/A | |
r Vs | reduced susceptibility of vaccinated susceptible animals | 0.5 | N/A | |
r Ve | reduced infectivity of vaccinated quiescent infected animals | 0.5 | N/A | |
λ L | rate of progression from latent to infectious stage (1/residency time in stage) | 1/4.5 days | 3-6 | |
λ C | rate of progression from carrier to recovered | 1/698.75 days | 120-1277.5 | [28] |
λ I | rate of progression from infectious to recovered | 1/6 days | 4-8 |