Table 2

Descriptive statistics of herd variables in the data sets from the national dairy cow recording systems for 1997.


Number of herds selected
Number of cows included
Number of started lactations
Average number of cows per herd

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