I think "Halal" is to Islam what "Kosher" is to Judaism. In other words, the selection, slaughter, butchering, preservation, and preparation have to meet certain rules intended to preserve cleanliness.
Certain meats are halal to eat for muslims. Common halal meat could be chicken, goat and beef but these meats will be hallal only if they are slaughtered not killed by giving injections or any other way.
It's just meet that been prayed over
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