Table 1 Baseline demographics of 5674 included pigs grouped in three treatment groups
Treatment group N (%)a | |||||
|---|---|---|---|---|---|
Variable | Level | Control | Antibiotic | Experimental | N (%) |
Pigs total | 1839 (32.4) | 1923 (33.9) | 1912 (33.7) | 5674 (100) | |
Loss to follow up | 48 (26.7) | 61 (33.9) | 71 (39.4) | 180 (3.2) | |
Remaining pigs | 1791 (32.6) | 1862 (33.9) | 1841 (33.5) | 5494 (96.8) | |
Sex | Male | 899 (32.3) | 938 (33.7) | 943 (33.9) | 2780 (50.6) |
Female | 892 (32.9) | 923 (34.1) | 895 (33.0) | 2710 (49.3) | |
NAb | 0 | 1 (25) | 3 (75) | 4 (0.1) | |
Umbilical cordc | Newborn | 276 (29.9) | 307 (33.3) | 340 (36.8) | 923 (16.8) |
Starting to demarcate | 282 (28.8) | 303 (30.9) | 395 (40.3) | 980 (17.8) | |
Clear demarcation | 415 (32.2) | 408 (31.6) | 467 (36.2) | 1290 (23.5) | |
Damp only at base | 817 (35.6) | 843 (36.7) | 634 (27.6) | 2294 (41.8) | |
NA | 1 (14.3) | 1 (14.3) | 5 (71.4) | 7 (0.1) | |
IUGR | Normal | 1615 (32.1) | 1696 (33.8) | 1714 (34.1) | 5025 (91.5) |
Mild | 166 (38.1) | 152 (34.9) | 118 (27.1) | 436 (7.9) | |
Severe | 9 (33.3) | 11 (40.7) | 7 (25.9) | 27 (0.5) | |
NA | 1 (16.7) | 3 (50) | 2 (33.3) | 6 (0.1) | |
Weight (kg) | Average Standard deviation | 1.33 0.33 | 1.35 0.33 | 1.39 0.33 | 1.35 0.33 |
Individual antibiotic treatmentd | Yes | 78 (4.4) | 63 (3.4) | 70 (3.8) | 211 (3.8) |
No | 1713 (95.6) | 1799 (96.6) | 1771 (96.2) | 5283 (96.1) | |
Cross fostering | Yes | 447 (25.0) | 449 (24.1) | 408 (22.2) | 1304 (23.7) |
No | 1344 (75.0) | 1413 (75.9) | 1433 (77.8) | 4190 (76.3) | |