Table 4.
Traits | TT (n = 266) |
TA (n = 120) |
AA (n = 14) |
---|---|---|---|
Milk yield (kg, 305 day) | 2032.33 ± 30.25 b | 2058.80 ± 33.22 b | 2369.25 ± 31.47 a |
Fat percentage | 7.09 ± 0.10 Aa | 6.55 ± 0.09 Ab | 6.00 ± 0.08 Bc |
305 day-fat yield (kg) | 144.17 ± 0.68 Aa | 135.63 ± 0.59 Bb | 136.80 ± 0.62 b |
Protein percentage | 4.92 ± 0.08 Aa | 4.39 ± 0.07 Ab | 4.15 ± 0.06 Bb |
305 day-protein yield (kg) | 102.67 ± 0.74 Aa | 90.83 ± 0.62 Bb | 95.01 ± 0.60 b |
Lactose percentage | 5.49 ± 0.28 | 5.30 ± 0.21 | 5.11 ± 0.10 |
Total solid percentage | 17.26 ± 0.34 | 17.10 ± 0.31 | 16.87 ± 0.49 |
Data are expressed as least squares means ± SEM. Different lowercase letters indicate significant differences between genotypes (p < 0.05). Different uppercase letters indicate significant differences between genotypes (p < 0.01).