Research Article
Genetic Parameters of Semen Traits and Their Correlations with Conformation Traits in Chinese Holstein Bulls
Table 4
Genetic correlations (upper diagonal) and phenotypic correlations (lower diagonal) of semen and conformation traits.
| Trait | SVPE | SMPE | SCPE | PAS | TNS | TNMS | PTM | BW | WH | BL | CG | AC | TC | PW | HH | SC |
| SVPE | | — | — | — | 0.79 | 0.76 | — | 0.94 | 0.88 | 0.92 | 0.85 | 0.89 | 0.86 | 0.79 | 0.87 | 0.97 | SMPE | — | | — | — | — | — | 0.70 | −0.52 | −0.49 | −0.16 | −0.48 | −0.53 | −0.55 | −0.49 | −0.58 | −0.55 | SCPE | — | — | | −0.25 | 0.76 | 0.80 | −0.09 | 0.75 | 0.87 | 0.92 | 0.69 | 0.72 | 0.50 | 0.75 | 0.85 | 0.98 | PAS | — | — | −0.05 | | — | — | −0.34 | −0.83 | −0.81 | −0.99 | −0.77 | −0.69 | −1.00 | −0.54 | −0.72 | −0.60 | TNS | 0.69 | — | 0.72 | — | | — | 0.02 | 0.93 | 0.93 | — | 0.89 | 0.89 | 0.83 | 0.83 | 0.92 | 1.00 | TNMS | 0.64 | — | 0.72 | — | — | | 0.15 | 0.89 | 0.91 | — | 0.83 | — | 0.79 | 0.79 | 0.90 | 0.99 | PTM | — | 0.35 | −0.16 | −0.14 | −0.20 | −0.15 | | −0.60 | −0.35 | −0.41 | −0.49 | −0.68 | 0.10 | −0.35 | −0.56 | −0.50 | BW | 0.27 | −0.03 | 0.16 | −0.08 | 0.32 | 0.26 | −0.02 | | 0.58 | 0.82 | 0.88 | 0.84 | 0.82 | 0.40 | — | 0.56 | WH | 0.40 | −0.03 | 0.23 | −0.10 | 0.44 | 0.39 | −0.01 | 0.67 | | 0.78 | 0.72 | 0.47 | — | 0.42 | — | — | BL | 0.24 | 0.00 | 0.18 | −0.06 | — | — | 0.00 | 0.71 | 0.67 | | 0.72 | 0.59 | — | 0.21 | 0.81 | — | CG | 0.26 | −0.01 | 0.15 | −0.06 | 0.30 | 0.25 | −0.01 | 0.83 | 0.71 | 0.63 | | 0.80 | — | 0.31 | — | — | AC | 0.32 | −0.06 | 0.15 | −0.08 | 0.34 | — | −0.05 | 0.79 | 0.55 | 0.55 | 0.75 | | — | 0.39 | 0.61 | 0.46 | TC | 0.26 | −0.03 | 0.10 | −0.08 | 0.28 | 0.22 | 0.02 | 0.67 | — | — | — | — | | 0.18 | — | — | PW | 0.21 | −0.03 | 0.07 | −0.01 | 0.21 | 0.17 | −0.01 | 0.39 | 0.38 | 0.31 | 0.37 | 0.34 | 0.31 | | 0.47 | 0.24 | HH | 0.41 | −0.06 | 0.22 | −0.10 | 0.44 | 0.37 | −0.04 | — | — | 0.65 | — | 0.58 | — | 0.39 | | — | SC | 0.35 | −0.04 | 0.35 | −0.02 | 0.48 | 0.42 | −0.07 | 0.48 | — | — | — | 0.45 | — | 0.20 | — | |
|
|
SVPE = semen volume per ejaculation; SMPE = sperm motility per ejaculation; SCPE = semen concentration per ejaculation; PAS = percentage of abnormal sperms; TNS = total number of sperms; TNMS = total number of motile sperms; PTM = postthaw motility; BW = body weight; WH = withers height; BL = body length; CG = chest girth; AC = abdominal circumference; TC = tube circumference; PW = pin width; HH = hip height; SC = scrotal circumference; “—” = no result.
|