Table 1 Number and percentage of female and male pigs with ear and tail lesions according to severity scores upon transfer to the first grower (12 weeks old), second grower (14 weeks old), and finisher (18 weeks old) stage. Average body weight (BW, in kg) within each lesion score category is also reported
First grower | Second grower | Finisher | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Female | Male | Female | Male | Female | Male | ||||||||||||
n (%) | BW, kg | n (%) | BW, kg | n (%) | BW, kg | n (%) | BW, kg | n (%) | BW, kg | n (%) | BW, kg | ||||||
Ear lesions1 | |||||||||||||||||
0 | 448 (26.7) | 26.2 ± 5.31 | 569 (34.0) | 25.5 ± 5.37 | 519 (31.6) | 34.6 ± 6.85 | 652 (39.8) | 33.8 ± 6.94 | 479 (29.5) | 61.3 ± 7.62 | 600 (36.9) | 61.2 ± 7.99 | |||||
1 | 113 (6.7) | 23.9 ± 5.64 | 122 (7.3) | 23.9 ± 5.41 | 29 (1.8) | 26.5 ± 6.83 | 24 (1.5) | 27.8 ± 5.82 | 0 (0) | - | 0 (0) | - | |||||
2 | 72 (4.3) | 23.2 ± 3.86 | 75 (4.5) | 22.9 ± 4.45 | 8 (0.5) | 28.6 ± 4.96 | 16 (1.0) | 29.6 ± 4.17 | 0 (0) | - | 1 (0.1) | 70 | |||||
≥ 3 | 140 (8.4) | 23.5 ± 5.04 | 136 (8.1) | 22.7 ± 4.55 | 199 (12.1) | 31.8 ± 7.37 | 193 (11.8) | 31.5 ± 6.42 | 271 (16.7) | 57.8 ± 7.34 | 275 (16.9) | 57.8 ± 7.95 | |||||
Tail lesions2 | |||||||||||||||||
0 | 755 (45.0) | 25.1 ± 5.34 | 878 (52.4) | 24.6 ± 5.33 | 676 (41.2) | 33.7 ± 7.25 | 760 (46.3) | 33.2 ± 6.96 | 661 (40.7) | 60.1 ± 7.72 | 774 (47.6) | 60.1 ± 8.10 | |||||
1 | 17 (1.0) | 25.9 ± 4.83 | 23 (1.4) | 25.3 ± 4.69 | 74 (4.5) | 32.4 ± 6.74 | 104 (6.3) | 32.4 ± 6.47 | 72 (4.4) | 59.9 ± 7.81 | 67 (4.1) | 60.9 ± 8.45 | |||||
≥ 2 | 1 (0.1) | 24.5 | 2 (0.1) | 26.5 ± 5.66 | 6 (0.4) | 26.2 ± 5.47 | 21 (1.3) | 32.3 ± 6.67 | 17 (1.0) | 58.9 ± 6.45 | 35 (2.2) | 58.2 ± 8.08 | |||||