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
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 |