Right. Read this wiki extract then tell me what this thread is all about unless there's an anti-Muslim subtext.

The animal may be stunned prior to having its throat cut. The UK Food Standards Agency figures from 2011 suggest that 84% of cattle, 81% of sheep and 88% of chickens slaughtered for halal meat were stunned before they died. Supermarkets selling halal products also report that all animals are stunned before they are slaughtered. Tesco, for example, says "the only difference between the halal meat it sells and other meat is that it was blessed as it was killed."[17] The British Veterinary Association, along with citizens who have assembled a petition with 100,000[18] signatures, have raised concerns regarding a proposed halal abattoir in Wales, in which animals are not to be stunned prior to killing.[19] Concerns about animal suffering from slaughter without prior stunning has resulted in the ban of slaughter of unstunned animals in Denmark, Luxembourg, The Netherlands, Norway, Sweden and Switzerland.[20][21] Generally, killing animals in Islam is only permissible for two main reasons, to be eaten[22] and to eliminate a danger, e.g. a rabid dog.[23]