Research, Policy and Practice
Table 2 Duration of stay at the seasonal pasture as well as average yield and concentrations of dry matter (DM), organic matter (OM), neutral detergent fibre (NDF), acid detergent fibre (ADF), crude protein (CP), phosphorus (P) and calcium (Ca) for herbage at the main seasonal pastures in China and Mongolia between 2012 and 2014. Given values are mean values with the corresponding one standard deviation (SD) and number of samples (n)
| Â | China | Mongolia | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Â | Â | Spring | Summer | Autumn | Winter | Spring | Summer | Autumn | Winter |
Duration of stay (days) | Mean | 25 | 43 | 18 | 154 | 43 | 32 | 77 | 135 |
SD | 1.1 | 7.0 | 3.8 | 16.3 | 3.1 | 0.0 | 23.2 | 70.0 | |
n | 179 | 237 | 270 | 745 | 227 | 173 | 84 | 680 | |
Herbage offer (kg DM ha−1) | Mean | 1,418 | 1,685 | 1,121 | 847 | 1,201 | 535 | 1,868 | 555 |
SD | 896.5 | 747.2 | 864.6 | 656.2 | 820.7 | 419.3 | 835.1 | 338.0 | |
n | 44 | 219 | 31 | 65 | 60 | 326 | 28 | 96 | |
DM (g kg−1 FM) | Mean | 449 | 359 | 447 | 428 | 513 | 571 | 384 | 386 |
SD | 131.3 | 129.5 | 93.5 | 89.8 | 127.2 | 159.4 | 59.6 | 116.9 | |
n a | 44 | 194 | 30 | 56 | 57 | 290 | 22 | 91 | |
OM (g kg−1 DM) | Mean | 853 | 891 | 822 | 869 | 917 | 891 | 891 | 811 |
SD | 35.9 | 26.9 | 59.8 | 34.1 | 22.3 | 33.3 | 22.5 | 67.9 | |
CP (g kg−1 DM) | Mean | 136 | 121 | 71 | 85 | 118 | 108 | 83 | 111 |
SD | 26.6 | 17.2 | 27.5 | 23.5 | 19.6 | 30.8 | 14.9 | 18.1 | |
NDF (g kg−1 DM) | Mean | 528 | 467 | 586 | 525 | 470 | 552 | 586 | 410 |
SD | 64.9 | 44.6 | 98.5 | 64.3 | 87.4 | 53.3 | 53.1 | 88.1 | |
ADF (g kg−1 DM) | Mean | 360 | 325 | 397 | 367 | 286 | 298 | 339 | 239 |
SD | 54.6 | 38.3 | 92.3 | 43.2 | 44.2 | 46.8 | 33.9 | 69.5 | |
P (g kg−1 DM) | Mean | 2.1 | 2.0 | 1.2 | 1.3 | 1.7 | 1.3 | 1.2 | 1.3 |
SD | 0.3 | 0.2 | 0.4 | 0.5 | 0.4 | 0.3 | 0.2 | 0.4 | |
Ca (g kg−1 DM) | Mean | 8.0 | 10.5 | 15.3 | 17.8 | 8.1 | 7.1 | 7.9 | 31.1 |
SD | 5.3 | 2.9 | 10.8 | 8.7 | 3.9 | 3.6 | 3.3 | 14.8 | |