Open Access
Table 6.
Duration of use and lifelong productivity of cows of different DGAT1 genotypes.
| Indicator | Genotype DGAT1 | ||
|---|---|---|---|
| AA | AK | KK | |
| n | 70 | 93 | 11 |
| Duration of use, lactation | 3.11 ± 0.11 | 3.08 ± 0.10 | 3.36 ± 0.28 |
| Lifetime milk yield, kg | 15926 ± 740 | 15946 ± 661 | 16260 ± 1582 |
| Fat % | 3.66 ± 0.01 | 3.69 ± 0.01 | 3.76 ± 0.02*** |
| Milk fat, kg | 581 ± 27.4 | 588 ± 24.8 | 611 ± 59.0 |
| Protein, % | 3.11 ± 0.10 | 3.15 ± 0.10 | 3.15 ± 0.03 |
| Milk protein, kg | 495 ± 23.1 | 502 ± 20.7 | 512 ±51.1 |
| Milk yield per 1 day of life, kg | 8.41 ± 0.77 | 7.83 ± 0.16 | 8.11 ± 0.49 |
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