Researchers in Australia have been devising and testing a method of trickery to make lions think they are being watched by the painted eyes on cow butts.

澳大利亚的研究人员一直在设计并测试一种能骗过狮子的方法，即在牛屁股上画眼睛，让狮子以为自己正被猎物注视着。

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After the third US mad cow was found in 2006, the USDA cut testing from 300, 000 animals to only 40, 000 a year. (out of 37 million slaughtered) And only 5000 downer cows are tested out of the 1 million downer cows rendered into animal feed each year.

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European Union countries have stepped up testing of slaughtered cattle for signs of mad cow disease to counteract public fears.

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