Culler, an authority on BSE, said the California cow's form of the disease so rarely occurs that consumers should not be alarmed.
New case of mad cow disease in California →
"Are you worried about all of the meteors that passed the earth last night while you were sleeping? Of course not," Culler said. "Would you pay 90 percent of your salaries to set up all of the observatories on earth to watch for them? Of course not. It's the same thing."
Mad cow case in Calif. found in USDA testing →
