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Table 1 PrP genotype frequencies in the breeding flock of 829 sheep in August 2001, and in confirmed cases between 1997 and 2004.

From: The time-course of a scrapie outbreak

PrP genotype

Animals in flock in 2001

Cases 1997–2004

 

Number

%

Number

%

ARR/ARR

124

15.0

-

-

ARR/AHQ

80

9.7

-

-

ARR/ARQ

220

26.5

-

-

AHQ/AHQ

17

2.1

-

-

AHQ/ARQ

77

9.4

-

-

ARQ/ARQ

80

9.5

-

-

VRQ/ARR

96

11.6

3

2.3

VRQ/AHQ

46

5.5

-

-

VRQ/ARQ

63

7.6

75

57.3

VRQ/VRQ

4

0.5

37

28.0

Unknown

22

2.7

16

12.2