 Following months of debate a last-minute concession was offered—the Muslim and Jewish communities would have a year to provide evidence that animals slaughtered by traditional methods do not experience greater pain than those that are stunned before they are killed.Chief Rabbi Lord Sacks visited the Netherlands in May 2011 to lobby against the ban, arguing that pre-stunning failed in up to 10 percent of cases and that caused more pain than the swift cutting of the throat by a razor-sharp knife.He blamed the vote on "a mischievous campaign by the animal rights lobby, based on emotive images and questionable science."