Stunning animals has become a common practice worldwide. It has been argued that slaughtering (zabiha) method conducted by Muslims is "inhumane". However, research studies proved this theory incorrect, as the experiment conducted showed that: "Islamic slaughter is THE humane method of slaughter", and captive bolt stunning, practiced by the western method, causes severe pain to the animal.
Consequently, accusations of animal cruelty should very rightly be focused on those who do not use the Islamic way of slaughtering but prefer using methods which cause animals' severe pain.
To clear your doubts and enhance your understanding on the subject of benefits of slaughtering and drawbacks of stunning methods read through the pieces of informative links below: