Open Access
Table 4.
Milk productivity of cows (lactation III)
| Indicator | Group | |||
|---|---|---|---|---|
| I | II | III | IV | |
| Duration of lactation, days | 354.6±8.12 | 349.2±6.74 | 331.5±7.34 | 326.9±7.68 |
| Milk yield for 305 days of lactation, kg | 5049±123.84 | 5264±146.33 | 5786±112.47*** | 6132±129.56*** |
| Milk yield, kg | 5436±125.47 | 5640±149.26 | 6014±115.63*** | 6358±130.81*** |
| MFF, % | 3.69±0.03 | 3.72±0.02 | 3.74±0.01 | 3.78±0.02 |
| Milk fat, kg | 186.31±4.72 | 195.82±3.59 | 216.40±4.11 | 231.79±4.33 |
| MFP, % | 3.11±0.02 | 3.15±0.02 | 3.18±0.01*** | 3.24±0.01*** |
| Milk protein, kg | 157.02±4.24 | 165.82±4.65 | 183.99±3.82 | 198.68±4.14 |
| Live weight kg | 541.4±5.98 | 539.8±4.47 | 548.6±5.23 | 552.1±4.96 |
| Milk index | 932.6±18.71 | 975.2±16.94 | 1054.7±17.30*** | 1110.7±18.45*** |
| Milk per 1 day of lactation, kg | 15.33±0.69 | 16.15±0.852 | 18.14±0.47*** | 19.45±0.59*** |
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