ATLANTA - Contrary to what the animal rights advocates say, there's a lot to be said for locking hens up in cages, officials with an egg producers group told SN. What many people don't realize is modern confinement systems offer a measure of protection against deadly bird flu, said Jeff Armstrong, the dean of the college of agriculture and natural resources at Michigan State University and chairman of the United Egg Producers' scientific advisory committee. "The way to prevent bird flu is ...

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