这是我的猜测，毕竟，笼养鸡代替放养鸡，就是因为它具有更高的生产效率。
This is what I guess would happen. In the end, rearing battery instead of free-range chicken has a much higher production efficiency.
该行业正押注打赌：那些花更多钱为“自由放养”、“非转基因”、“牧场饲养鸡蛋”等高品质属性买单的消费者，同样会欣然接受可持续性的概念。
The industry is betting that the same consumers paying more for premium attributes such as free-range, non-GMO, and pasture-raised eggs will embrace sustainability.
当前的主要健康风险涉及与受感染禽类密切接触者，例如在庭院放养禽类的家庭以及在菜市场或鲜活动物市场工作的养鸡业工人。
The main health risk currently is to people who are in close contact with infected poultry, such as families with backyard flocks and poultry workers in wet markets or live animal markets.
其实自由放养出产的鸡蛋并不比密集饲养鸡蛋要贵多少；即便价格贵很多，这也不是我们如此虐待这些知觉生物的理由。
Free range eggs do not cost much more than battery eggs, and even if they did, this could not justify inflicting such suffering on sentient beings.
其实自由放养出产的鸡蛋并不比密集饲养鸡蛋要贵多少；即便价格贵很多，这也不是我们如此虐待这些知觉生物的理由。
Free range eggs do not cost much more than battery eggs, and even if they did, this could not justify inflicting such suffering on sentient beings.
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