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Biology Articles » Agriculture » Animal Production » A farm-level study of risk factors associated with the colonization of broiler flocks with Campylobacter spp. in Iceland, 2001 – 2004 » Table 3
Table 3
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Characteristics of farms excluded from the farm-level analyses due to missing data |
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| Variable |
Farm A |
Farm B |
Farm C |
Farm D |
Farm E |
|
|
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| Manure spread on fields in summer season |
No |
---a |
--- |
--- |
--- |
| Manure spread on fields in winter season |
No |
--- |
--- |
--- |
--- |
| Manure stored on farm at any time of year |
No |
--- |
--- |
--- |
--- |
| Other domestic livestock on farm |
No |
No |
No |
No |
No |
| Other commercial poultry on farm |
Yes |
No |
Yes |
No |
No |
| Farm has all-in-all-out policy |
--- |
Yes |
No |
Yes |
Yes |
| Farm water source |
Official |
Official |
Official treated |
Non-official treated |
Non-official |
| Number of houses on farm |
1 |
1 |
2 |
2 |
1 |
| Median flock size on farm |
4019 |
1323 |
7971 |
4190 |
6728 |
| Number of flocks raised |
4 |
4 |
8 |
14 |
4 |
| Number of positive flocks |
3 |
1 |
2 |
5 |
1 |
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aData not available |
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