Open Access
Table 1.
Ethological indicators of cows of different levels of milk productivity
Indicator | Group | |||||
---|---|---|---|---|---|---|
I (n = 4) | II (n = 5) | III (n = 6) | ||||
Daily milk yield | ||||||
M±m | Cv, % | M±m | Cv, % | M±m | Cv, % | |
Daily milk yield, kg | 13,9±2.06 | 29.6 | 20.5±0.78** | 8.5 | 26.3±0.57*** | 5.3 |
Milking number per day, times | 2.8±0.25 | 18.2 | 3.6±0.24* | 15.2 | 4.7±0.33** | 17.5 |
Time expenditure, min.: standing | 595.5±16.65 | 5.6 | 761.0±105.30 | 30.9 | 800.8±62.42* | 19.1 |
lying | 842.5±16.65 | 4.0 | 679.0±105.3 | 34.7 | 639.2±62.42* | 23.9 |
feed intake | 257.5±21.65 | 16.8 | 271.0±24.46 | 20.2 | 311.7±24.82 | 19.5 |
chewing cud: | 523.8±56.95 | 21.7 | 482.5±30.45 | 12.6 | 451.0±19.20 | 9.5 |
including lying down | 476.7±71.90 | 26.1 | 278.8±86.59 | 62.1 | 251.0±53.77 | 47.9 |
including standing | 70.0±14.72 | 42.1 | 175.0±56.24 | 71.9 | 182.5±42.79 | 57.4 |
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