Matt Stone revealed that the story was inspired by material he had read on the red heifer's prominence in the Abrahamic religions, which lent itself to the story on how peace is achieved in the Middle East.
There's a hotel in Dublin called The Red Cow
The website irnnews.ir, appearing on the screen, is a parody of the original iribnews.ir website.
The red heifer is part of real religious prophecy. Some believe that the sacrifice of a red heifer will bring about the inauguration of the Third Temple and the end times.
Kyle compares his eating Cartman's farts to Ghandi, referring to the Indian civil rights activist who was known for employing nonviolent techniques in hopes of bringing peace and change to the country and world.