From: Structural characterization of piglet producing farms and their sow removal patterns in Finland
 | Cluster | Total | ||
---|---|---|---|---|
1 (n = 24) | 2 (n = 10) | 3 (n = 9) | n = 43 | |
Variable | n (%) | n (%) | n (%) | n (%) |
Combined breeding and gestation units = yes | 2 (8.3)** | 3 (30.0) | 7 (77.8)** | 12 (27.9) |
Breeding unit feeder type | ||||
 locked stall | 24 (100.0)** | 9 (90.0) | 3 (33.3)** | 36 (83.7) |
 trough | 0 (0.0)** | 1 (10.0) | 6 (66.7)** | 7 (16.3) |
Gestation unit pen design | ||||
 group housing with electronic transponders | 1 (4.2) | 1 (10.0) | 1 (11.1) | 3 (7.0) |
 pens without stalls | 9 (37.5) | 1 (10.0)* | 6 (66.7)* | 16 (37.2) |
 pen with stalls | 2 (8.3) | 1 (10.0) | 0 (0.0) | 3 (7.0) |
 pen with locked stalls | 12 (50.0) | 7 (70.0) | 2 (22.2) | 21 (48.8) |
Farrowing induction | ||||
 never | 8 (33.3) | 2 (20.0) | 7 (77.8)* | 17 (39.5) |
 sometimes | 13 (54.2) | 7 (70.0) | 2 (22.2)* | 22 (51.2) |
 always | 3 (12.5) | 1 (10.0) | 0 (0.0) | 4 (9.3) |
Use of oxytocin during farrowing | ||||
 0–3/10 farrowings | 10 (41.7) | 2 (20.0) | 5 (55.6) | 17 (40.0) |
 4–7/10 farrowings | 10 (41.7) | 4 (40.0) | 4 (44.4) | 18 (41.9) |
  > 7/10 farrowings | 4 (16.7) | 4 (40.0) | 0 (0.0) | 8 (18.6) |
Farrowing unit all-in-all-out practice = yes | 14 (58.3)* | 3 (30.0) | 1 (11.1)* | 18 (41.9) |