Variable | Level | Sows / level | |
---|---|---|---|
 |  | (n) | (%) |
Parity | 1. parity | 32 | 28.6 |
2. parity | 18 | 16.1 | |
3. parity | 11 | 9.8 | |
4. parity | 17 | 15.2 | |
5. parity | 7 | 6.3 | |
6. parity | 6 | 5.4 | |
7. parity | 9 | 8.0 | |
8. parity | 8 | 7.1 | |
9. parity | 4 | 3.6 | |
Time of farrowing* | day | 66 | 58.9 |
night | 46 | 41.1 | |
Abnormal behaviour (aggression, etc.) | no | 105 | 93.8 |
yes | 7 | 6.2 | |
Diseases | no | 95 | 84.8 |
local diseases** | 5 | 4.5 | |
systemic disease incl. PPDS | 12 | 10.7 | |
Time of occurrence of disease | day of partum | 1 | 5.9 |
1Â day post-partum | 8 | 47.1 | |
2Â days post-partum | 2 | 11.8 | |
3Â days post-partum | 4 | 23.5 | |
later | 2 | 11.8 | |
Facultative treatment with antibiotics effective against M. hyopneumoniae*** | no | 94 | 83.9 |
yes | 18 | 16.1 | |
Level of antibodies against M. hyopneumoniae ante-partum | S/P ratio < 0,4 | 25 | 22.3 |
 | S/P ratio ≥ 0,4 | 87 | 77.7 |
Level of antibodies against M. hyopneumoniae post-partum | S/P ratio < 0,4 | 52 | 46.8 |
 | S/P ratio ≥ 0,4 | 59 | 53.2 |