Evaluating the surveillance for swine dysentery and progressive atrophic rhinitis in closed multiplier herds using scenario tree modelling

Table 3 Component sensitivities, total annual surveillance sensitivity and costs of the SD surveillance system

SD surveillance component sensitivities for:	Sensitivity %			Costs CHF (≈ EUR)
SD surveillance component sensitivities for:	5%ile	Median	95%ile	Costs CHF (≈ EUR)
- Clinical Surveillance by farmer (SComSeCLIN)	4.5	13.1	24.5	35.55
- Clinical Surveillance by PHS (SComSeCLINPHS)	6.3	18.0	32.7	220.80
- Active sampling of 6 animals (SComSeAS)	58.3	77.0	89.6	291.00
- Active sampling of 4 animals (SComSeAS)	44.2	62.5	77.8	231.00
- MF, examination by PHS (SComSeMF)	6.0	12.7	23.6	140.80
- MF, telephone check (SComSeMFPHS)	3.2	7.2	14.0	103.05
Total annual surveillance sensitivity (ToSe _SD)	89.8	96.7	99.2	1022.20

For monitored fattening groups (MF) (SComSeMFPHS), the component sensitivity is given for one MF whereas costs are summed up over all MFin one year. ((No extra value in EUR given due to marginal difference to CHF at the time of publication (07.05.2015: 1.037 CHF = 1 EUR); SD = swine dysentery)