Items | New Zealand | United States |
Average from 2011-2015 |
|
|
Cows (head) | 4,717,504 (SD = 172,407) | 9,345,000(SD = 46,135) |
Milk volume (m3) | 19,751,980 (SD = 1,244,264) | (83,118,501 (SD = 2,244,089) |
Average farm size (hd.) | 398.5 (SD = 11.7) | 192 (SD = 10.8) |
Number of farm | 11,837.8 (SD = 87.4) | 47,295 (SD = 3,065) |
Lactation length (day) | 266.8 (SD = 11.7) |
|
Correspond to 2014 |
|
|
Herd genetic | HF and Jersey Crossbred (42.6%) | Holstein |
| Holstein-Friesian (37.0) | Jersey |
| Jersey (11.7) | Brown Swiss |
| Ayrshire and other (8.7) |
|
Management system | Grazing based | confinement |
Milking frequency | 2 times | 2 times |
Milking system | Mechanial | mechanical |
Feeding | Pasture and concentration | Total mixed ration |
Breedng system | Artificial insemination 73% | Artificial insemination |