Table 4 UK mean Prnp polymorphism frequencies [%] and comparison with frequencies from other countries.

Breed Category

Dairy

Meat

Fiber

ALL

Meat

Dairy

Dairy

Number

932

157

84

1195

166

404

478

wt-P & wt-S

61.8

56.1

89.2

62.7

62

66.4

67.8

R101

0.1

-

-

0.1

-

-

-

S127

8.2

0.3

-

6.4

-

5.8

1.8

M142

26.6

13.2

1.2

22.6

14.5

6.1

8.4

R143

0.1

4.5

5.4

1.0

0.3

-

1.3

S146

0.2

24.5

-

3.6

5.4

-

-

H154

-

0.3

0.6

0.1

3.3

3.2

5.3

Q168

-

-

-

-

3

-

0.4

L201

-

-

-

-

1.5

-

-

Q211

2.3

0.3

-

2.3

10

12.2

7.4

L218

-

0.7

3.6

0.4

-

-

-

K222

0.7

-

-

0.9

-

6.3

7.6