Table 2.
Information on animals and farms of the different participating countries in the present study
| Country | Farms (n) | Cows (n) | Percentage of cows | Cattle breed | Housing | Parity number1 | Milk yield (kg/d per cow) | |
|---|---|---|---|---|---|---|---|---|
| Primiparous | Multiparous | |||||||
| Argentina | 27 | 720 | 26.0 | 74.0 | Holstein-Friesian | Pasture and indoors | 2.8 ± 1.8 | 28.5 |
| Australia | 22 | 208 | 15.0 | 85.0 | Holstein-Friesian | Pasture | 3.4 ± 2.0 | 18.4 |
| Brazil | 26 | 159 | 35.5 | 64.5 | 50% Holstein- Friesian, 50% others (Girolondo, Gyr, Brown Swiss) | Pasture and indoors | 2.5 ± 1.7 | 13 to 30 |
| Chile | 17 | 183 | 24.6 | 75.4 | Holstein-Friesian | Pasture and indoors | 2.6 ± 1.3 | 23.0 |
| China | 41 | 404 | 63.1 | 36.9 | Holstein-Friesian | Indoors | 1.3 ± 1.5 | 25 to 35 |
| Colombia | 79 | 791 | 27.1 | 72.9 | Holstein-Friesian, Brahman, Brahman crossbred | Pasture | 2.9 ± 1.8 | 17 to 21 |
| Mexico | 63 | 2,060 | 37.6 | 62.4 | Holstein-Friesian or HF crossbred | Pasture and indoors | 2.3 ± 1.7 | 18 to 22 |
| New Zealand | 102 | 2,989 | 13.7 | 86.3 | Holstein-Friesian, Jersey, HF/Jersey crossbred | Pasture | 4.0 ± 2.4 | 13 to 19 |
| Russia | 77 | 764 | 39.3 | 60.7 | Holstein-Friesian, Simmental, Red Steppe | Indoors | 2.2 ± 1.2 | 13 to 23 |
| South Africa | 54 | 377 | 18.1 | 81.9 | Holstein-Friesian | Pasture | 3.3 ± 1.9 | 20 to 25 |
| Thailand | 2 | 83 | 32.5 | 67.5 | 88% Holstein-Friesian | Indoors | 3.3 ± 2.3 | 12 to 20 |
| Ukraine | 31 | 164 | 21.3 | 78.7 | 50% Holstein-Friesian, 50% others | Indoors | 2.6 ± 1.3 | 13 to 25 |
| Overall | 541 | 8,902 | 26.9 | 73.1 | 3.0 ± 2.1 | |||
1Data are expressed as mean ± SD.