“They will push for the introduction of halal (clean by Islamic standards) food, thereby securing food preparation jobs for Muslims. They will increase pressure on supermarket chains to feature it on their shelves - along with threats for failure to comply (United States).
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What’s the difference between having halal food and kosher food?
The supermarkets in my area have always carried kosher.
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I found a bunch of differences here
Swine is prohibited by both sets of laws.[1][2]
Many animals permitted in kashrut are also halal, such as bovines.[3][4]
Kashrut forbids and halal strictly forbids the consumption of amphibians such as frogs.[5]
Almost all insects are not kosher. The few kosher insects are specific types of locusts and grasshoppers (see Kosher locust) which are not eaten today in most communities, since it is unknown which species is permitted (the exception being the Yemenite Jews, who claim to have preserved this knowledge).[6]
To be kosher, aquatic animals must have scales and fins. Most Muslim schools of thought adhere to the interpretation that all creatures from the ocean or the sea are considered halal.
[1][7] Hanafi Sunnis (who comprise the majority of Muslims) follow essentially the same laws as kashrut, believing that only fish with scales and fins are halal. Shi’ites also follow this, but make an exception with some crustaceans; shrimps and prawns are halal.
[8] According to Jewish oral law all fish that have scales have fins, thus making all fish with scales kosher and rendering the law essentially the same as halal.[9][10][11]
Gelatin is only permissible if it comes from a permissible animal (usually kosher gelatin comes from the bones of kosher fish,[citation needed] or is a vegan substitute
http://en.wikipedia.org/wiki/Comparison_of_Islamic_and_Jewish_dietary_laws