Table 1 Variables, significant in the multivariable analysis and their country specific differences in descriptive statistics
Variables in questionnaire | Statistic | DEa | DKa | ESa | FRa | NLa | UKa | Total |
|---|---|---|---|---|---|---|---|---|
% of slatted floor in nursery unit | Median | 100.0 | 33.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 |
Minimum | 0.0 | 25.0 | 70.0 | 0.0 | 30.0 | 0.0 | 0.0 | |
Maximum | 100.0 | 66.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | |
Straw in units of nursery pigs (1 = No, 2 = Yes) | Median | 1.0 | 2.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 |
Minimum | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | |
Maximum | 2.0 | 2.0 | 1.0 | 2.0 | 2.0 | 2.0 | 2.0 | |
Frequency of disinfection in nursery (1 = Every time, 2 = Every 2nd time, 3 = Every 3rd time, 4 = Less common) | Median | 1.0 | 1.0 | 1.0 | 1.0 | 1.5 | 1.0 | 1.0 |
Minimum | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | |
Maximum | 4.0 | 4.0 | 1.0 | 1.0 | 4.0 | 2.0 | 4.0 | |
Average down time in units of growing pigs (Days) | Median | 3.0 | 2.4 | 7.0 | 4.0 | 3.0 | 2.0 | 3.0 |
Minimum | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Maximum | 14.0 | 14.5 | 84.0 | 10.0 | 14.0 | 8.5 | 84.0 | |
Number of pigs per pen in nursery (n) | Median | 40.0 | 34.5 | 27.0 | 25.0 | 26.0 | 100.0 | 35.0 |
Minimum | 14.0 | 16.0 | 14.0 | 15.0 | 6.0 | 38.0 | 6.0 | |
Maximum | 275.0 | 50.0 | 225.0 | 50.0 | 200.0 | 220.0 | 275.0 | |
Use of antimicrobials at/ around weaning (1 = Never, 2 = Sometimes, 3 = Always) | Median | 1.0 | 3.0 | 3.0 | 2.0 | 1.0 | 3.0 | 3.0 |
Minimum | 1.0 | 2.0 | 2.0 | 1.0 | 1.0 | 1.0 | 1.0 | |
Maximum | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |
Use of zinc oxide at/ around weaning (1 = No, 2 = Yes) | Median | 1.0 | 2.0 | 2.0 | 1.0 | 1.0 | 2.0 | 1.0 |
Minimum | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | 1.0 | |
Maximum | 2.0 | 2.0 | 2.0 | 2.0 | 1.0 | 2.0 | 2.0 | |
Average age at weaning (Days) | Median | 28.0 | 28.0 | 25.0 | 21.0 | 26.0 | 26.5 | 26.0 |
Minimum | 21.0 | 24.0 | 21.0 | 21.0 | 21.0 | 21.0 | 21.0 | |
Maximum | 42.0 | 33.0 | 28.0 | 42.0 | 42.0 | 33.0 | 42.0 | |
Average weight at weaning (kg) | Median | 7.5 | 6.5 | 6.0 | 6.0 | 7.5 | 7.5 | 7.0 |
Minimum | 5.5 | 5.0 | 5.2 | 5.3 | 5.0 | 6.5 | 5.0 | |
Maximum | 10.0 | 10.5 | 7.9 | 10.5 | 10.0 | 9.2 | 10.5 | |
Total mortality in nursery pigs (%) | Median | 2.0 | 2.6 | 2.5 | 2.4 | 2.0 | 2.0 | 2.1 |
Minimum | 0.5 | 1.0 | 0.8 | 1.0 | 1.0 | 1.0 | 0.5 | |
Maximum | 5.0 | 6.1 | 7.0 | 8.1 | 6.0 | 6.0 | 8.1 | |
Morbidity of growing pigs at last occurrence of diarrhea on farm (%) | Median | 0.0 | 1.5 | 0.0 | 0.0 | 0.5 | 3.0 | 0.0 |
Minimum | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | |
Maximum | 50.0 | 55.0 | 50.0 | 100.0 | 20.0 | 30.0 | 100.0 |