Risk assessment of sheep welfare at small-scale slaughter in Nordic countries, comparing with large-scale slaughter

Hultgren, Jan; Algers, Bo; Atkinson, Sophie; Ellingsen, Kristian; Eriksson, Sofia; Hreinsson, Kjartan; Nordensten, Lotta; Valtari, Heidi; Mejdell, Cecilie Marie

doi:10.1186/s13028-016-0217-4

Acta Veterinaria Scandinavica

Table 1 Summary of welfare magnitudes and risks in different steps of slaughter

From: Risk assessment of sheep welfare at small-scale slaughter in Nordic countries, comparing with large-scale slaughter

Process step	Measure	Small-scale			Large-scale
Process step	Measure	Min.	Median	Max.	Min.	Median	Max.
Unloading and driving to lairage (13 hazards)	Magnitude	0.042	0.13	0.33	0.042	0.13	0.27
	ML^a risk	0.0042	0.0075	0.03	0.0056	0.023	0.078
	Risk, IQR^b	0.0025	0.0058	0.018	0.0036	0.013	0.041
	Risk range^c	0.009	0.021	0.07	0.013	0.047	0.15
Lairage (14 hazards)	Magnitude	0.083	0.33	0.58	0.083	0.33	0.69
	Risk, ML	0.013	0.027	0.13	0.010	0.048	0.18
	Risk, IQR	0.0087	0.018	0.057	0.0097	0.030	0.078
	Risk, range	0.033	0.064	0.20	0.037	0.11	0.32
Driving from lairage to stunning (14 hazards)	Magnitude	0	0.13	0.21	0.042	0.13	0.21
	Risk, ML	0	0.016	0.065	0.0075	0.021	0.06
	Risk, IQR	0	0.011	0.021	0.0057	0.012	0.025
	Risk, range	0	0.038	0.078	0.021	0.045	0.089
Waiting in stun box (10 hazards)	Magnitude	0.083	0.13	0.29	0.083	0.21	0.29
	Risk, ML	0.0044	0.010	0.053	0.0026	0.014	0.083
	Risk, IQR	0.0022	0.0070	0.023	0.0023	0.011	0.036
	Risk, range	0.0079	0.026	0.083	0.0088	0.039	0.13
Stunning with captive bolt (9 hazards)	Magnitude	0.042	0.13	0.29	0.083	0.13	0.29
	Risk, ML	0	0.005	0.038	0	0.0005	0.0095
	Risk, IQR	0.0001	0.0033	0.020	0.0002	0.0008	0.0072
	Risk, range	0.0007	0.012	0.071	0.0013	0.0031	0.026
Stunning with electricity (8 hazards)	Magnitude	0.042	0.10	0.13	0.083	0.094	0.13
	Risk, ML	0.0006	0.0032	0.007	0.005	0.012	0.028
	Risk, IQR	0.0002	0.0019	0.0049	0.0024	0.0063	0.015
	Risk, range	0.0008	0.0078	0.018	0.0088	0.023	0.054
Bleeding (3 hazards)	Magnitude	0	0.13	0.125	0	0.13	0.13
	Risk, ML	0	0.0025	0.005	0	0.0048	0.015
	Risk, IQR	0	0.0024	0.0045	0	0.0033	0.0092
	Risk, range	0	0.0093	0.017	0	0.012	0.033
Totally (71 hazards)	Magnitude	0	0.13	0.58	0	0.13	0.69
	Risk, ML	0	0.010	0.13	0	0.018	0.18
	Risk, IQR	0	0.0072	0.057	0	0.012	0.078
	Risk, range	0	0.027	0.20	0	0.044	0.32

Statistics of estimated magnitudes and risks of poor sheep welfare at small-scale and large-scale slaughter in Norway, Iceland, Sweden and Finland. Hazards arranged in seven process steps, specifying minimum, median and maximum values by process step. Aggregated data from nine experts 2012
^aMost-likely
^bInter-quartile range
^cMaximum–minimum

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ISSN: 1751-0147

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