|
Descriptive statistics of herd variables in the data sets from the national dairy cow recording systems for 1997. |
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| Number of herds selected |
Number of cows included |
Number of started lactations |
Average number of cows per herd |
|
|
|
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| Denmark |
812 |
53,959 |
54,894 |
66.5 |
| Finland |
18,887 |
293,781 |
297,355 |
15.6 |
| Norway |
3,573 |
55,976 |
56,486 |
15.7 |
| Sweden |
2,132 |
73,599 |
74,370 |
34.5 |
Valde et al. Acta Veterinaria Scandinavica 2004 45:201 doi:10.1186/1751-0147-45-201 |
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