Considering vegetarianism, this may help...

It appears that "USDA officials said that there was no need to test all cattle for mad cow disease before they are eaten." Harpers

Hmmm...somewhat like the Federal Drug Administration not testing all medicines as well as they should before trying to profit off of them. Vioxx sure was a great idea. It is a prescription drug for arthritis which caused heart attacks in a substantial amount of patients.