Table 5.
Hind right quarter of primiparous and multiparous dairy cows: Pearson correlation coefficients between colostrum constituents and quality parameters (SG = specific gravity, color coordinates L*, a*, and b*). Significant correlation coefficients (P < 0.05) are highlighted in bold-type
| Milk yield (kg) | IgG concentration (mg/mL) | Brix (%) | SG | Fat (%) | Protein (%) | L* | a* | b* | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Milk yield (kg) | – | 0.27 (P = 0.42) | −0.45 (P = 0.17) | 0.05 (P = 0.88) | −0.08 (P = 0.81) | −0.43 (P = 0.19) | 0.04 (P = 0.90) | −0.21 (P = 0.53) | −0.07 (P = 0.84) | Multiparous cows |
| IgG concentration (mg/mL) | −0.20 (P = 0.45) | – | 0.02 (P = 0.95) | 0.05 (P = 0.88) | −0.12 (P = 0.72) | 0.05 (P = 0.88) | −0.50 (P = 0.12) | 0.46 (P = 0.15) | 0.12 (P = 0.73) | |
| Brix (%) | 0.10 (P = 0.69) | 0.24 (P = 0.35) | – | 0.29 (P = 0.39) | 0.00 (P = 0.99) | 0.95 (P < 0.0001) | −0.17 (P = 0.61) | 0.31 (P = 0.35) | 0.54 (P = 0.08) | |
| SG | 0.05 (P = 0.85) | 0.06 (P = 0.82) | 0.22 (P = 0.39) | – | −0.35 (P = 0.29) | 0.27 (P = 0.42) | 0.49 (P = 0.13) | −0.39 (P = 0.24) | 0.30 (P = 0.38) | |
| Fat (%) | −0.19 (P = 0.50) | −0.14 (P = 0.63) | −0.03 (P = 0.93) | −0.16 (P = 0.59) | – | −0.24 (P = 0.48) | 0.07 (P = 0.84) | 0.02 (P = 0.95) | 0.10 (P = 0.76) | |
| Protein (%) | −0.04 (P = 0.90) | 0.43 (P = 0.13) | 0.94 (P < 0.0001) | 0.05 (P = 0.87) | −0.17 (P = 0.57) | – | −0.25 (P = 0.45) | 0.30 (P = 0.36) | 0.36 (P = 0.27) | |
| L* | −0.06 (P = 0.83) | −0.07 (P = 0.80) | -0.55 (P < 0.05) | −0.13 (P = 0.62) | 0.15 (P = 0.61) | -0.54 (P < 0.05) | – | -0.91 (P < 0.0001) | 0.26 (P = 0.45) | |
| a* | −0.14 (P = 0.60) | 0.01 (P = 0.96) | 0.27 (P = 0.29) | −0.19 (P = 0.46) | 0.42 (P = 0.14) | 0.24 (P = 0.41) | −0.36 (P = 0.15) | – | −0.05 (P = 0.88) | |
| b* | 0.12 (P = 0.66) | 0.10 (P = 0.70) | 0.50 (P < 0.05) | −0.19 (P = 0.47) | 0.40 (P = 0.16) | 0.49 (P = 0.08) | −0.47 (P = 0.06) | 0.83 (P < 0.0001) | – | |
| Primiparous cows | ||||||||||