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All issues Volume 40 / No 6 (November-December 2009) Vet. Res., 40 6 (2009) 57 Full HTML
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Table V.

Probability of detecting BTV-8 incursion in Switzerland at an assumed farm-level prevalence of 0.02 by using different SSC. SEROFARM = individual blood serology of cattle farm; BMT = bulk milk testing on dairy cattle farm; CLIN = passive clinical surveillance in sheep and cattle farm, respectively; ABT = abortion testing; n = number of farms processed per SSC; RS = random sampling; TS = targeted sampling; DA level = disease awareness level; L = low disease awareness; M = medium disease awareness; H = high disease awareness; Vets = veterinarians; CSe = surveillance system component sensitivity; SSe = surveillance system sensitivity.

SSC Survey design n DA level Percentiles of CSe
 Costs per month (CHF) (based on Tab. VI)
5th 50th 95th
SEROFARM RS 50 – 0.0945 0.0948 0.0951 52 150
RS 100 – 0.1801 0.1806 0.1811 104 300
RS 200 – 0.3278 0.3286 0.3294 208 600
TS 200 – 0.5291 0.5302 0.5313 208 600
BMT RS 50 – 0.0945 0.0948 0.0951 3 100
RS 100 – 0.1801 0.1806 0.1811 6 200
RS 200 – 0.3278 0.3286 0.3294 12 400
TS 200 – 0.5291 0.5302 0.5313 12 400
CLIN cattle – 52 983 L: farmer, vets 0.1445 0.3813 0.7275 1 suspect cattle case: 1 043
– 52 983 M: farmer, vets 0.7114 0.9532 0.9992 3 suspect cattle cases: 3 129
CLIN sheep – 14 116 L: farmer; M: vets 0.1811 0.3830 0.6254 2 suspect sheep cases: 2 614
– 14 116 M: farmer; H: vets 0.5735 0.8624 0.9751 5 suspect sheep cases: 6 535
ABT cattle – 500 L: farmer, vets 1.89E-04 5.81E-04 1.30E-03 500 suspect cattle farms: 521 500
CLIN cattle and CLIN sheep – L: cattle and sheep farmer, vets in CLIN cattle; M: vets in CLIN sheep 0.3973 0.6403 0.8586 3 657
CLIN cattle and CLIN sheep – L: cattle farmer, vets in CLIN cattle; M: sheep farmer; H: vets in CLIN sheep 0.7249 0.9237 0.9877 7 578 (without expenses for information campaigns in order to increase DA)
BMT and CLIN cattle and CLIN sheep RS 200 L: cattle and sheep farmer, vets in CLIN cattle; M: vets in CLIN sheep 0.5954 0.7585 0.9051 16 057
BMT and CLIN cattle and CLIN sheep TS 200 L: cattle and sheep farmer, vets in CLIN cattle; M: vets in CLIN sheep 0.7169 0.8310 0.9336 16 057
BMT and CLIN cattle and CLIN sheep TS 200 L: cattle farmer, vets in CLIN cattle M: sheep farmer; H: vets in CLIN sheep 0.8707 0.9642 0.9942 19 977 (without expenses for information campaigns in order to increase DA)