第一步不妨先分清Free-Range、Barn-Laid、Caged等各类鸡蛋有何区别。 澳大利亚鸡蛋供应短缺，包括Coles和Woolworths两大超市在内的零售商们已纷纷出台了 ...

"Free-range" or "free-roaming turkey" labels usually refer to the flock's outdoor access during their growing cycle. But does that simply mean an open barn door or acres of green pastures to roam?