From: Time trends and epidemiological patterns of perinatal lamb mortality in Norway
Flock size | 2000 | 2010 | |||
---|---|---|---|---|---|
n | % | n | % | ||
Flocks enrolled | <26 | 1009 | 20.4 | 547 | 15.0 |
26–125 | 3651 | 73.9 | 2602 | 71.2 | |
126–250 | 268 | 5.4 | 451 | 12.3 | |
>250 | 13 | 0.3 | 54 | 1.5 | |
Ewes enrolled in flocks | <26 | 17,044 | 6.2 | 8355 | 3.1 |
26–125 | 214,086 | 77.4 | 170,358 | 63.1 | |
126–250 | 41,542 | 15.0 | 73,551 | 27.2 | |
>250 | 3959 | 1.4 | 17,847 | 6.6 |