TABLE B.2 List of identified hazards in pigs for each respective killing method.

Hazards	NEFS in containers	Whole house gassing with CO2	CO2 at high concentration in containers	CO2 + Inert gases in containers	Inert gases in containers	Electrical killing	Captive bolt	Non‐penetrative captive bolt	Percussive blow to the head	Firearm	Lethal injection
Handling	x		x	x	x	x	x	x	x	x	x
Restraint						x	x	x	x		x
Inversion									x
Loud noise	x	x	x	x	x
Slipping	x	x	x	x	x
Substance irritating the mucosa	x	x	x	x
Surrounded by foam	x
Jet stream of gas at pigs' level	x	x	x	x	x
Hurting	x	x	x	x	x	x	x	x	x	x	x
Too short exposure time	x	x	x	x	x	x
Overloading	x		x	x	x
Too small bubble size	x
Low foam production rate	x
Inhalation of foam	x
Exposure to high CO 2 concentra‐tions		x	x	x
Too low gas concentration	x	x	x	x	x
Too low temperature of the gas	x	x	x	x	x
Wrong placement of the electrodes						x
Poor electrical contact						x
Inappropriate electrical parameters						x
Incorrect shooting position							x	x		x
Incorrect captive bolt parameters							x	x
Sublethal dose of chemical							x
Incorrect application of the blow to the head									x
Inappropriate power and calibre of the cartridge										x
Inappropriate type of projectile										x
Inappropriate route of administra‐tion											x
Sublethal dose											x