Table 2.
Pearson’s correlation coefficients between genomic parameters of production and reproductive traits obtained from primiparous high-producing dairy cows for the HI group.
| Genotypic Parameters | FIG (pts) | DPRG (%) | HCRG (%) | CCRG (%) | DCEG (%) | MTRG (%) | RPRG (%) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| r | p | r | p | r | p | r | p | r | p | r | p | r | p | |
| MP305G (lbs) | −0.556 | 0.011 | −0.535 | 0.015 | −0.472 | 0.036 | −0.461 | 0.041 | 0.168 | NS | −0.280 | NS | −0.199 | NS |
| MPFAT305G (lbs) | −0.386 | NS | −0.403 | NS | −0.251 | NS | −0.274 | NS | −0.408 | NS | 0.040 | NS | 0.289 | NS |
| MPPROT305G (lbs) | −0.512 | 0.021 | −0.488 | 0.029 | −0.420 | NS | −0.460 | 0.041 | 0.099 | NS | −0.285 | NS | −0.289 | NS |
| PF305G (%) | 0.130 | NS | 0.100 | 0.029 | 0.160 | 0.029 | 0.150 | NS | −0.427 | NS | 0.248 | NS | 0.380 | NS |
| PP305G (%) | 0.360 | NS | 0.348 | NS | 0.309 | NS | 0.272 | NS | −0.158 | NS | 0.193 | NS | 0.055 | NS |
| SCCG (scr) | −0.211 | NS | −0.203 | NS | −0.076 | NS | −0.300 | NS | 0.192 | NS | 0.188 | NS | −0.569 | 0.009 |
| MRG (%) | 0.555 | 0.011 | 0.546 | 0.013 | 0.437 | NS | 0.488 | 0.029 | 0.208 | NS | 0.164 | NS | 0.184 | NS |
Linear correlations of production genomic values: MP305G: Milk Production at 305 days; MPFAT305G: Fat Production at 305 days; MPPROT305G: Protein Production at 305 days; PF305G: Percent of Fat at 305 days; PP305G: Percent of Protein at 305 days; SCCG: Somatic Cell Count; MRG: Mastitis Resistance. Linear correlations of reproductive genomic values; FIG: Fertility Index; HCRG: Nulliparous Cow (heifer) Conception Rate; DPRG: Daughter Conception Rate; CCRG: Cow Conception Rate; DCEG: Daughter Calving Ease; MTRG: Resistance to Metritis; RPRG: Resistance to Placental Retention. pts: Points; lbs: Pounds; %: Percentage; scr: score; NS: Not Significant; r: Pearson’s correlation coefficient; p: Probability.