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The objective in this study was to identify risk factors for flock …


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 1

Table 1
- A farm-level study of risk factors associated with the colonization of broiler flocks with Campylobacter spp. in Iceland, 2001 – 2004

Farm-level categorical variables available for analysis of Campylobacter colonization of broilers in Iceland (n = 28a)

Variable
Description of variable
Number of farms

Manure spread on fields in summer seasonb
Yes
11
  No
17
Manure spread on fields in winter seasonb
Yes
9
  No
19
Manure stored on farm at any time of year
Yes
10
  No
18
Other domestic livestock on farm
Yes
9
  No
19
Other commercial poultry on farm
Yes
10
  No
18
Farm has all-in-all-out policy
Yes
18
  No
10
Farm water source
Non-official
17
  Non-official treated
4
  Official
4
  Official treated
3

a Only farms with complete data for all variables are included

b Variables are highly correlated (τb ≥ 0.8)


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