Actually it's not. These animal rights people really don't like any method of slaughter. They want us all to be vegitarians. It's basically the same as kosher slaughtering...
The act is performed by severing the trachea, esophagus, carotid arteries, jugular veins and vagus nerve in a swift action using an extremely sharp blade ("chalef") only by a qualified shochet. According to Jewish religious sources, this results in a rapid drop in blood pressure in the brain and loss of consciousness rendering the animal insensible to pain and to exsanguinate in a prompt and precise action.
http://en.wikipedia.org/wiki/Shechita
Plenty of things to hate about Islam, but killing cows isn't one of them.
kosher is a dietary code, halal entails a prayer