The shechita and halal methods of slaughter are central to the religious beliefs of the Jewish and Muslim communities.
The government plans to amend the law on religious slaughter soon.
Religious leaders claim any changes will infringe fundamental religious freedoms. But animal welfare experts say the proposals don't go far enough.
Bob Davies investigates. Presenter Les Cottington Producer WASEEM MAMOOD
Series producer MARTIN SMALL BBC Pebble Mill