Table 1.
Observed and expected numbers and percentages (in brackets) of genotypes at CSN1S1, CSN2 and CSN3 loci, allele frequencies and Hardy-Weinberg Equilibrium (HWE) in the sample of Agerolese cows.
| Casein Locus | Genotype Frequency | Allele Frequency |
χ2
HWE |
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| CSN1S1 | BB | BC | CC | B | C | ||||||
| Obs. | 61 (72.62%) |
22 (26.19%) |
1 (1.19%) |
0.857 | 0.143 | 0.35 p = 0.55 (d.f. = 1) |
|||||
| Exp. | 61.65 (73.40%) |
20.70 (24.64%) |
1.65 (1.96%) |
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| CSN2 | A1A1 | A1A2 | A2A2 | A1B | A2B | BB | A1 | A2 | B | ||
| Obs. | 8 (9.53%) |
30 (35.71%) |
41 (48.8%) |
5 (5.95%) |
- | - | 0.303 | 0.667 | 0.030 | 12.23 p < 0.01 (d.f. = 3) |
|
| Exp. | 7.64 (9.10%) |
34.20 (40.71%) |
37.22 (44.31%) |
1.53 (1.82%) |
3.35 (3.99%) |
0.06 (0.07%) |
|||||
| CSN3 | AA | AB | BB | A | B | ||||||
| Obs. | 7 (8.33%) |
54 (64.29%) |
23 (27.38%) |
0.405 | 0.595 | 9.05 p < 0.01 (d.f. = 1) |
|||||
| Exp. | 13.64 (16.24%) |
40.72 (48.48%) |
29.64 (35.28%) |
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