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Variables
Category
Organic
Conventional
P valuea
Herd veterinarian
Yes
52.5
68.1
0.03
Visits from livestock production advisor
At least once per month
34.1
38.6
0.66
At least 3 times per year
24.2
21.8
At least once per year
24.2
16.8
Once every second year
7.7
8.9
Never
9.9
15.6
Records kept of treated animals
Yes
91.1
83.0
0.21
No
8.9
16.0
Do not know
0.0
1.0
Hospital pen used only for sick animals
Yes
39.6
34.7
0.48
No
60.4
65.3
Milk from cows during antibiotic treatmentb
Disposed of in manure
68.1
59.4
0.21c
Disposed of in sewer
18.7
11.9
0.19
Fed to calves
20.9
33.7
0.05
Other
2.2
11.9
0.01
Milk from cows after antibiotic treatment and during the withdrawal periodb
Disposed of in manure
39.6
36.6
0.67c
Disposed of in sewer
11.0
7.9
0.47
Fed to calves
59.3
60.4
0.88
Other
9.9
15.8
0.22
a Chi2
b Multiple answers allowed
c Comparisons between “yes” and “no” for each row