Is humane slaughtering of rainbow trout achieved in conventional production chains in Germany? Results of a pilot field and laboratory study

Table 3 Summary of electrical parameters and stunning process

Current	Frequency [Hz]	Stun duration [s]	Position of stunning electrodes	Stunning success [N VOR/ n total number of fish]
AC	50	–	–	2/68
	100	–	–	0/60
	1000	–	–	2/61
AC		30	–	3/94
AC		60	–	1/95
AC			Head/ tail	2/69
			Top/ bottom	2/60
			Lateral	0/60
Summary AC				4/189
DC		30		3/37*
DC		60		0/33
DC			Head/ tail	1/29
			Top/ bottom	1/20
			Lateral	1/21
Summary DC				3/70

AC alternating current, DC direct current, Statistical analysis: Kruskal Wallis ANOVA on ranks followed by Dunn’s post hoc test, AC, Frequency: p = 0.38, position of electrodes: p = 0.38, stun duration: p = 0.31, DC: plate position: p = 0.90, * statistically different to DC, 60 s at p = 0.026

ISSN: 1746-6148