Infected cow showed no signs of the disease
(NEWSER) - This may not help you sleep better tonight. The discovery of mad cow disease in California was the result of ... luck, reports the AP . It explains that the state's dead cows are transported to a central California facility, where a very small number of the carcasses are tested. Officials say the cow presented no indication that it may have had the disease: unsteadiness, lack of coordination, behavioral changes, or low milk production. But because it arrived soon after death and was more than 30 months old, it was eligible for USDA testing. More»