Table 3.
Association of the SNPs in the SPP1 gene with EBVs for SCS.
| Average allelic substitution effect (in EBV units of score)a | ||||||||||||
| SCS | SCS1 | SCS2 | SCS3 | |||||||||
| DNA Polymorphisms | Average allele effect ± SE (P value) | |||||||||||
| SPP1c.-1301G>A | 0.047 | ± 0.030 | (0.121) | 0.033 | ± 0.030 | (0.280) | 0.047 | ± 0.034 | (0.165) | 0.035 | ± 0.038 | (0.362) |
| SPP1c.-1251C>T | 0.117 | ± 0.047 | (0.014) | 0.097 | ± 0.046 | (0.035) | 0.118 | ± 0.052 | (0.023) | 0.112 | ± 0.059 | (0.056) |
| SPP1c.-430G>A | - 0.117 | ± 0.047 | (0.014) | - 0.097 | ± 0.046 | (0.035) | - 0.118 | ± 0.052 | (0.023) | - 0.112 | ± 0.059 | (0.056) |
| SPP1c.*40A>C | - 0.102 | ± 0.045 | (0.023) | - 0.068 | ± 0.044 | (0.121) | - 0.103 | ± 0.049 | (0.038) | - 0.112 | ± 0.056 | (0.045) |
a EBVs are calculated for the respective lactation: over all (SCS), first (SCS1), second (SCS2), and third (SCS3) lactations