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Table 4 Prevalences of additional atypical scrapie (AS) cases by control strategy and country from flocks in which the first scrapie animal had either AS or classical scrapie (CS)

From: The prevalence of atypical scrapie in sheep from positive flocks is not higher than in the general sheep population in 11 European countries

Strategy

Country

Cases

Tests

Prevalence (per 10,000)

CI 95%

Intensified monitoring in AS positive flocks

Finland

0

36

0

0 - 973.9

 

France

11

14965

7.4

3.7 - 13.1

 

Greece

0

67

0

0 - 535.7

 

Norway

0

75

0

0 - 480.0

 

Portugal

3

4612

6.5

1.3 - 19.0

 

Sweden

0

47

0

0.0 - 754.9

Intensified monitoring in CS positive flocks

France

7

31113

2.2

0.9 - 4.6

Selective culling in AS positive flocks

Belgium

0

223

0

0 - 164.1

 

Denmark

0

168

0

0 - 217.2

 

France

5

10462

4.8

1.6 - 11.1

 

Italy

1

2260

4.4

0.1 - 24.6

 

The Netherlands

0

60

0

0 - 596.3

 

Norway

0

1033

0

0 - 35.6

 

Portugal

2

1763

11.3

1.4 - 40.9

Selective culling in CS positive flocks

Belgium

0

295

0

0 - 124.3

 

France

4

12087

3.3

0.9 - 8.5

 

Greece

3

10310

2.9

0.6 - 8.5

 

Italy

2

8565

2.3

0.3 - 8.4

Special genetic selection in AS positive flocks

Italy

0

351

0

0 - 104.5

Stamping out in AS positive flocks

Denmark

0

17

0

0 - 1950.6

 

Finland

0

173

0

0 - 211.0

 

Iceland

1

467

21.4

0.5 - 118.7

 

Italy

1

1309

7.6

0.2 - 42.5

 

Norway

0

1156

0

0 - 31.9

 

Sweden

0

195

0

0 - 187.4

Stamping out in CS positive flocks

Iceland

0

367

0

0 - 100.0

 

Italy

0

3231

0

0 - 11.4

 

Norway

0

343

0

0 - 107.0