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Table 1 Parameters of the model of pestivirus spread in a Pyrenean chamois population

From: A novel epidemiological model to better understand and predict the observed seasonal spread of Pestivirus in Pyrenean chamois populations

θ Description (dimension) Value Ref.
Demographic parameters
η max Sa Fertility rate of sub-adult females, maximum (annual) 0.65 [21]
η A Fertility rate of adult females (annual) 0.90 [21]
η max SaP Fertility rate of sub-adult PI females, maximum (annual) 0.65 [21]
η AP Fertility rate of adult PI females (annual) 0.90 [21]
μ min Juv Probability of juvenile mortality, minimum (annual) 0.342 [21,31]
μ max Juv Probability of juvenile mortality, maximum (annual) 0.85 a
μ female Sa Probability of mortality of sub-adult females (annual) 0.1 c
μ male Sa Probability of mortality of sub-adult males (annual) 0.171 c
μ female A Probability of mortality of adult females (annual) 0.105 c
μ male A Probability of mortality of adult males (annual) 0.143 c
μ P Probability of mortality of PI animals (annual) 0.75 [34]
μ T Probability of mortality related to a transient infection (over the duration of viremia) 0.196 c
δ Sex ratio 0.5 b
K Carrying capacity 3000 a
d Strength of density dependence 0.8 × 10−3 a
Epidemiological parameters
1/α Duration of immunity by maternal antibodies (days) 60 b
β T Horizontal transmission coefficient by a transiently infected animal (per day) 0.03 [34]
β P Horizontal transmission coefficient by a PI animal (per day) 0.5 [34]
1/γ Duration of viremia (days) 51 [29]
1/ω Duration of immunity (years) 8 [28]
ρ Probability of abortion 0.5 [26]
ν Possibility of infection during the gestation period (boolean) 0/1  
τ Indicator of rut (boolean) 0/1  
  1. aCalibrated using field data.
  2. bExperts knowledge.
  3. cUnpublished data from the study site.