In the satirical web series “Farmed and Dangerous,” industrial farms begin feeding livestock “petro-pellets,” animal food that is really concentrated pills of fossil fuels. While this outrageous practice does not happen in real life (…yet), it does highlight how heavily factory farms rely on fossil fuels to raise animals and grow crops. Synthetic fertilizers and pesticides are derived from petroleum, the majority of crops grown with the use of these chemicals are turned into animals feed – hence the comedic irony of cutting out the crop-middle man and just feeding animals straight petro.