“They should also be told the method of slaughter: captive bolt shooting, gassing, electrocution, drowning, trapping, clubbing or any of the other approved methods," the campaigners wrote.
“Comprehensive labelling should be supported by faith communities and animal welfare groups alike.
“It would offer all consumers genuine choice, whether they are motivated by animal welfare, religious observance, or even intolerance of anyone who looks or worships differently to them.”
The debate over the practice of shechita and zabiha - the Muslim method of slaughter - has been reignited after national newspapers reported that Pizza Express served only halal chicken in its restaurants.
