By forbidding themselves from eating meat of the following:
- Meat of swine (pig) including all it's by products
- Meat of an animal that was not blessed with the name of Allah (God in English) at the time of slaughter
- Meat of dead animals (carrion)
- Meat of animals that were strangled to death
- Meat of animals that were beaten to death
- Meat of animals that died due to falling from a height
- Meat of animals that were gored to death by a horn
- Meat of animals that were devoured by wild beasts
- Animals killed in a manner which prevents their blood from being fully drained from their bodies;
- Carnivorous animals with fangs, e.g. lions, dogs, wolves, tigers, etc…
- Birds of Prey e.g. falcons, eagles, owls, vultures, etc
- Reptiles, snakes, crocodiles
- Mules and Asses
- Pests' e.g. rats and scorpions
- Insects excluding locusts
AnswerI know How to make a meat halal because I am a Muslim hamdullah! So The Muslims make their meat halal by......... The Muslims say bismallah and kill the sheep themselves!