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. 2023 Feb 21;102(5):102604. doi: 10.1016/j.psj.2023.102604

Table 2.

Number and percentage of participants in brackets of all those working with small (≤3 kg), medium (>3 to ≤5 kg) or large (>5 kg) birds and the frequency of application for each on-farm killing method.

Method Application frequency Small (≤3 kg) (n = 162) Medium (>3 to ≤5 kg) (n = 25) Large (>5 kg) (n = 28)
Manual cervical dislocation Always 148 (91.4%) 7 (28.0%) 0 (0.0%)
Often 9 (5.6%) 9 (36.0%) 20 (71.4%)
Sometimes 2 (1.2%) 6 (24.0%) 6 (21.4%)
Rarely 0 (0.0%) 3 (12.0%) 2 (7.1%)
Never 3 (1.9%) 0 (0.0%) 0 (0.0%)
Mechanical cervical dislocation (broomstick) Always 0 (0.0%) 0 (0.0%) 0 (0.0%)
Often 0 (0.0%) 0 (0.0%) 0 (0.0%)
Sometimes 2 (1.2%) 1 (4.0%) 0 (0.0%)
Rarely 2 (1.2%) 4 (16.0%) 1 (3.6%)
Never 158 (97.5%) 20 (80.0%) 27 (96.4%)
Mechanical cervical dislocation (pliers) Always 0 (0.0%) 0 (0.0%) 0 (0.0%)
Often 0 (0.0%) 0 (0.0%) 0 (0.0%)
Sometimes 4 (2.5%) 2 (8.0%) 0 (0.0%)
Rarely 1 (0.6%) 1 (4.0%) 0 (0.0%)
Never 157 (96.9%) 22 (88.0%) 28 (100.0%)
Mechanical cervical dislocation (cone) Always 0 (0.0%) 0 (0.0%) 0 (0.0%)
Often 0 (0.0%) 0 (0.0%) 0 (0.0%)
Sometimes 0 (0.0%) 0 (0.0%) 0 (0.0%)
Rarely 0 (0.0%) 1 (4.0%) 0 (0.0%)
Never 162 (100.0%) 24 (96.0%) 28 (100.0%)
Mechanical cervical dislocation (Livetec Nex®) Always 0 (0.0%) 3 (12.0%) 3 (10.7%)
Often 23 (14.2%) 8 (32.0%) 16 (57.1%)
Sometimes 7 (4.3%) 2 (8.0%) 1 (3.6%)
Rarely 16 (9.9%) 6 (24.0%) 0 (0.0%)
Never 116 (71.6%) 6 (24.0%) 8 (28.6%)
Blunt force trauma Always 0 (0.0%) 0 (0.0%) 0 (0.0%)
Often 3 (1.9%) 0 (0.0%) 0 (0.0%)
Sometimes 1 (0.6%) 0 (0.0%) 0 (0.0%)
Rarely 0 (0.0%) 1 (4.0%) 0 (0.0%)
Never 158 (97.5%) 24 (96.0%) 28 (100.0%)
Captive bolt (cartridge) Always 1 (0.6%) 0 (0.0%) 0 (0.0%)
Often 0 (0.0%) 1 (4.0%) 1 (3.6%)
Sometimes 2 (1.2%) 12 (48.0%) 1 (3.6%)
Rarely 6 (3.7%) 7 (28.0%) 26 (92.9%)
Never 153 (94.4%) 5 (20.0%) 0 (0.0%)
Captive bolt (noncartridge) Always 0 (0.0%) 0 (0.0%) 0 (0.0%)
Often 1 (0.6%) 1 (4.0%) 0 (0.0%)
Sometimes 1 (0.6%) 1 (4.0%) 0 (0.0%)
Rarely 5 (3.1%) 0 (0.0%) 0 (0.0%)
Never 155 (95.7%) 23 (92.0%) 28 (100.0%)
Decapitation Always 2 (1.2%) 0 (0.0%) 0 (0.0%)
Often 1 (0.6%) 0 (0.0%) 0 (0.0%)
Sometimes 5 (3.1%) 0 (0.0%) 0 (0.0%)
Rarely 2 (1.2%) 0 (0.0%) 0 (0.0%)
Never 152 (93.8%) 25 (100.0%) 28 (100.0%)
Gas Always 0 (0.0%) 0 (0.0%) 0 (0.0%)
Often 0 (0.0%) 0 (0.0%) 0 (0.0%)
Sometimes 4 (2.5%) 1 (4.0%) 0 (0.0%)
Rarely 4 (2.5%) 0 (0.0%) 0 (0.0%)
Never 154 (95.1%) 24 (96.0%) 28 (100.0%)
Electrical stun to kill Always 0 (0.0%) 0 (0.0%) 0 (0.0%)
Often 0 (0.0%) 0 (0.0%) 0 (0.0%)
Sometimes 2 (1.2%) 1 (4.0%) 0 (0.0%)
Rarely 2 (1.2%) 0 (0.0%) 0 (0.0%)
Never 158 (97.5%) 24 (96.0%) 28 (100.0%)
Overdose of anesthetic Always 0 (0.0%) 0 (0.0%) 0 (0.0%)
Often 2 (1.2%) 1 (4.0%) 0 (0.0%)
Sometimes 7 (4.3%) 2 (8.0%) 0 (0.0%)
Rarely 10 (6.2%) 4 (16.0%) 0 (0.0%)
Never 143 (88.3%) 18 (72.0%) 28 (100.0%)