Table 4 Association between a range of milk production variables in cows and (i) replacing a C allele with a G allele in the CXCR1-777 SNP (standard error in parenthesis), and (ii) CXCR1-777 genotypes
| Â | Â | Â | Â | Genotype1 | Â | ||
|---|---|---|---|---|---|---|---|
Trait | Mean Trait Value2 | Allele Substitution (C→G) | P-value | CC | CG | GG | P-value |
Milk Yield (kg) | 4455 (1200) | -6.03 (101.7) | NS | 0 | -259.3 (192) | -66.77 (206.6) | NS |
Protein Yield (kg) | 164 (40) | -0.47 (3.36) | NS | 0 | -9.237 (6.346) | -2.81 (6.83) | NS |
Fat Yield (kg) | 197 (51) | -1.05 (3.87) | NS | 0 | -9.06 (7.31) | -3.61 (7.87) | NS |
Lactose Yield (kg) | 206 (52) | -0.45 (4.29) | NS | 0 | -13.68 (8.1) | -3.89 (8.72) | NS |
Protein Percentage3 (*1000) | 36 (3) | 0.05 (0.1) | NS | 0 | 0.1 (0.3) | 0.1 (0.3) | NS |
Fat Percentage3 (*1000) | 44 (8) | -0.2 (0.3) | NS | 0 | 0.7 (0.6) | -0.1 (0.6) | NS |
SCS (loge SCC) | 1.67 (0.46) | -0.06 (0.03) | < 0.1 | 0 | 0.02 (0.06) | -0.1 (0.07) | < 0.1 |