Open Access

Table II.

Currently observed frequency range reported for variant haplotypes associated with partial resistance to scrapie.

Italy France USA Japan China
M142 0.0–28.2* 3.9–8.7 0.0–43.2 4.6 0.0
(5/8)** (2/2) (4/10) (1/1)
R143 0.0–5.4 0.0 0.0–10.9 3.0 14.3–57.1
(4/8) (4/10) (1/1) (5/5)
S146 0.0 0.0 0.0–35.2 1.7 0.0–57.4 (1/5)
D146 (7/10) (1/1)
H154 0.0–11.3 (6/8) 0.5–5.4 0.0–1.8 0.0 7.4–46.6
(2/2) (1/10) (5/5)
Q211 0.0–13.7 (4/8) 7.1–18.5 0.0–9.7 (5/10) 12.7 0.0
(2/2) (1/1)
K222 1.3–17.2 (8/8) 4.9–7.5 0.0–5.4 (2/10) 0.0 0.0–21.7 (1/5)
(2/2)
*

Minimum and maximum percentage frequencies of the haplotype relative to all haplotypes observed in the respective study.

**

Number of breeds in which the haplotype has been found out of the total breeds included in the study.