Table 2. Least-square means and standard error of semen quality traits of different genotypes in the INCENP gene of Chinese Holstein bulls.
| SNP Loci | Genotype | Ejaculate volume (mL) | Sperm density (×108/mL) | Initial sperm Motility (%) | Post-thaw cryopreserved sperm motility (%) | Deformity Rate (%) |
|---|---|---|---|---|---|---|
| g.19970 A>G | AA | 5.99± 0.22 | 11.19 ± 0.42 | 66.98 ± 0.83b | 42.28 ± 0.80 | 16.52 ± 0.50 |
| AG | 5.89 ± 0.18 | 10.80 ± 0.34 | 68.11 ± 0.67 | 43.26 ± 0.64 | 16.51 ± 0.42 | |
| GG | 5.80 ± 0.31 | 11.68± 0.59 | 69.82 ± 1.17a | 42.53± 1.12 | 16.47± 0.72 | |
| g.34078 T>G | TT | 5.64 ± 0.30 | 11.65 ± 0.58 | 69.70 ± 1.15a | 42.45± 1.10 | 16.32 ± 0.70 |
| TG | 5.97 ± 0.18 | 10.94 ± 0.35 | 68.29 ± 0.69 | 43.23 ± 0.66 | 16.71 ±0.42 | |
| GG | 5.94 ± 0.21 | 10.97 ± 0.41 | 66.83 ± 0.81b | 42.42 ± 0.78 | 16.33 ± 0.50 |
Note: For each one SNP, means with different lowercase letters within the same column are significantly different (P < 0.05). Means without lowercase letter and means with different lowercase letters are not significant difference (P > 0.05).