Dumbass, you eat the cow.. the cow is gone....
The cow provides milk, and milk products as well as traction power for farming, and manure for fertilizer.
How are you going to preserve anything meat or otherwise in a region with 125 degree temps?
Get out of the fucking desert? Oh yes, they can just jump in their car? No cars, no gas... no fucking food. We flush more clean water down our toilets in one day than these people have to drink.
Stop being such a fucking pig.