British scientists have discovered that "mad cow disease" can be transmitted between sheep
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Scientists from the British Veterinary Laboratory said in a report that the two ewes infected with “mad cow disease†found in Warwickshire in 2000 had produced two lambs each in 2003. The two lambs were found to have died of this disease this year. .
In 1996, scientists discovered that if a sheep’s cattle were eating “mad cow disease,†the diseased cattle would have symptoms similar to “mad cow disease.†However, in 1988, the British banned the feeding of cattle corpses to sheep, and the European Union began implementing similar bans in 1994. Therefore, the situation of mad cow disease caused by eating cattle carcasses should be eliminated by now. If the sheep re-emerges the disease, it can only be transmitted from one sheep to another.
Because there are more sheep organs than cows that may be infected with “mad cow disease†on the market, if a large number of sheep are infected with “mad cow disease,†it may pose a greater health threat to consumers.
BSE is called "bovine spongiform encephalopathy," a zoonotic disease in which the site of infection is mostly the animal's brain, spine and eyes. If humans eat products made of diseased animals, they may be infected with CJD. "The human mad cow disease" incubation period can last as long as 30 years, so it is difficult to find at the beginning, so far it has caused 147 people in the United Kingdom to death.