Table 4 Association of the SNP SPP1c.-1301G>A in the SPP1 gene with EBVs for production traits.
| Â | EBV unit | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | over all lactations | 1st lactation | 2 nd lactation | 3 rd lactation | ||||||||
Trait | Average allele effect ± SE (p value) | |||||||||||
Milk yield (Kg) | -116 | ± 78 | (0.142) | -177 | ± 91 | (0.052) | -178 | ± 80 | (0.027) | -164 | ± 82 | (0.046) |
Fat yield (Kg) | 2 | ± 3 | (0.500) | 3 | ± 3 | (0.289) | 1 | ± 3 | (0.658) | 2 | ± 3 | (0.485) |
Protein yield (Kg) | -2 | ± 2 | (0.420) | -3 | ± 3 | (0.175) | -3 | ± 2 | (0.167) | -3 | ± 2 | (0.251) |
Fat % | 0.05 | ± 0.03 | (0.059) | 0.09 | ± 0.03 | (0.004) | 0.08 | ± 0.03 | (0.012) | 0.08 | ± 0.03 | (0.009) |
Protein % | 0.02 | ± 0.01 | (0.090) | 0.02 | ± 0.01 | (0.060) | 0.03 | ± 0.01 | (0.030) | 0.03 | ± 0.01 | (0.036) |