New Case of Mad Cow Disease Discovered in California; First Since 2006
A new case of mad cow disease has surfaced in a dairy cow in California, but the animal was not bound for the nation’s food supply and posed no danger, the Agriculture Department said Tuesday.
John Clifford, the department’s chief veterinary officer, said the cow from central California did not enter the human food chain and that U.S. meat and dairy supplies are safe. It’s the fourth such cow discovered in the United States since the government began inspecting for the disease to keep the food supply safe.
“There is really no cause for alarm here with regard to this animal,” Clifford told reporters at a hastily convened press conference.
Clifford did not say when the disease was discovered or exactly where the cow was raised. He said the cow was at a rendering plant in Central California when the case was discovered through regular USDA sample testing.
This was an atypical mad cow case, said Jim Roth of Iowa State’s Food Safety and Public Health Center, in an interview with CBS News. The cow’s own brain proteins “misfolded” and caused the disease spontaneously and the cow did not catch the disease from bad feed or from another cow.
Atypical mad cow is not known to be transmissible, so neither animals nor humans could get sick from this cow.
Mad cow disease, or bovine spongiform encephalopathy (BSE), can be fatal to humans who eat tainted beef. The World Health Organization has said that tests show that humans cannot be infected by drinking milk from BSE-infected animals.