Table 5.
Haplotypes analysis of CDKN1A gene (LSM ± SE)
| Lactation | Haplotype combination (No.) | Milk yield (kg) | Fat yield (kg) | Fat percentage (%) | Protein yield (kg) | Protein percentage (%) |
|---|---|---|---|---|---|---|
| 1 | H1H1 (175) | 10,246 ± 78.7 | 337.02 ± 3.4 | 3.3 ± 0.032ab | 301.01 ± 2.47 | 2.94 ± 0.011Bc |
| H1H2 (279) | 10,190 ± 69.46 | 339.81 ± 3.04 | 3.35 ± 0.029a | 302.54 ± 2.22 | 2.97 ± 0.009Aa | |
| H1H3 (222) | 10,179 ± 74.12 | 338.05 ± 3.22 | 3.33 ± 0.03ab | 301.48 ± 2.35 | 2.97 ± 0.01ab | |
| H2H2 (107) | 10,250 ± 89.88 | 337.17 ± 3.81 | 3.3 ± 0.036ab | 302.85 ± 2.78 | 2.96 ± 0.013abc | |
| H2H3 (179) | 10,140 ± 77.68 | 339.79 ± 3.35 | 3.36 ± 0.032Aa | 298.23 ± 2.44 | 2.95 ± 0.011bc | |
| H3H3 (75) | 10,418 ± 100.99 | 336.31 ± 4.24 | 3.25 ± 0.041Bb | 306.5 ± 3.09 | 2.95 ± 0.014abc | |
| P | 0.1065 | 0.8508 | 0.044* | 0.0939 | 0.0351* | |
| 2 | H1H1 (114) | 10,555 ± 90.95Bc | 378.57 ± 3.87Cc | 3.59 ± 0.037 | 314.92 ± 2.82Bb | 2.98 ± 0.013ABb |
| H1H2 (174) | 10,623 ± 79.4Bc | 387.32 ± 3.43BCb | 3.65 ± 0.032 | 315.26 ± 2.5Bb | 2.97 ± 0.011Bb | |
| H1H3 (150) | 11,061 ± 81.27Aa | 399.1 ± 3.49Aa | 3.62 ± 0.033 | 328.44 ± 2.54Aa | 2.97 ± 0.011Bb | |
| H2H2 (78) | 10,722 ± 104.5Bbc | 383.32 ± 4.39BCbc | 3.58 ± 0.042 | 316.19 ± 3.2Bb | 2.95 ± 0.015Bb | |
| H2H3 (131) | 10,717 ± 87.66Bbc | 389.21 ± 3.74ABb | 3.62 ± 0.036 | 317.87 ± 2.73Bb | 2.96 ± 0.012Bb | |
| H3H3 (53) | 10,884 ± 120.25ab | 388.23 ± 4.99b | 3.58 ± 0.048 | 329.01 ± 3.64Aa | 3.02 ± 0.017Aa | |
| P | <.0001** | <.0001** | 0.5127 | <.0001** | 0.0163* |
H means haplotype; H1: CCCTC, H2: CCTTC, H3: TGCCT, and H4: CCCCT; * indicates P < 0.05; ** indicates P < 0.01; a, b, c within the same column with different superscripts means P < 0.05; A, B, C within the same column with different superscripts means P < 0.01.