许多畜牧饲养者可直接从市场对畜产品的需求增加受益。
Many livestock holders can benefit directly from the increasing market demand for livestock products.
于是，这一时期人类开始了原始农业和畜牧饲养的生产型经济。
Thus, the age of productive economy of primitive agriculture and stockbreeding was coming.
加利·弗尼亚州斯坦佛大学的农业专家沃尔特教授说：“如果仍想保留畜牧业，我认为应该是那些密集饲养的类型。”
"If you're going to keep some livestock systems, I think the ones you'll want to keep are the intensive ones," says Walter Falcon, an agricultural economist at Stanford University in California.
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