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Table 2 Distribution (percentage) of variables linked to general disease-related aspects for Swedish dairy herds participating in a questionnaire study of biosecurity and disease management in organic and conventional dairy production

From: Biosecurity and animal disease management in organic and conventional Swedish dairy herds: a questionnaire study

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
  1. a Chi2
  2. b Multiple answers allowed
  3. c Comparisons between “yes” and “no” for each row