Table 6.

Quantitative parameters with reference to the behaviours indicative of loss of consciousness and sensibility and death (merged data set from Paper 6,7 and 8 for a theoretical total number of 220 birds)

	Number of birds affected/total number of observed birds	Missing recordsa	Proportion of birds affected (exact binomial 95% CI)	Median latency to behavioural event (observed birds), sec
Behavioural event
Loss of posture	194/194	26	1 (0.98–1)	58.4 (194)
Lying	198/198	22	1 (0.98–1)	60.3 (198)
Motionless	194/194	26	1 (0.98–1)	145.8 (194)

e.g. out of sight.