Table 1.
Genotype | ||||||||
---|---|---|---|---|---|---|---|---|
NN | ||||||||
Age (years) | No. | n tested (% pos.) | ND* | NS* | SD* | DD* | SS* | Total |
6 | 52 | 20 (38·5) | 26 | 23 | 1 | 4 | 106 | |
7 | 76 | 28 (36·8) | 36 | 15 | 2 | 1 | 130 | |
8 | 71 | 32 (45) | 31 | 25 | 2 | 1 | 130 | |
9 | 59 | 20 (35) | 19 | 22 | 1 | 1 | 102 | |
10 | 33 | 12 (36·4) | 14 | 6 | 4 | 57 | ||
11 | 11 | 3 (27·3) | 3 | 4 | 18 | |||
12 | 7 | 2 (28·6) | 3 | 1 | 11 | |||
13 | 1 | 0 | 1 | 2 | ||||
Total | 310 | 117 (37·7) | 133 | 96 | 4 | 10 | 3 | 556 |
* All animals of this genotype tested negative.