最近生物技术也成了家畜的一个大难题，不仅仅是因为科隆牛：美国食品药品管理局正在酝酿一份议案，比方说，允许售卖基因改良鲑鱼那样的议案。
Biotech has also become a big issue for livestock lately, and not just because of cloned cattle: The FDA is mulling a proposal, for example, to allow sales of genetically modified salmon.
然而，做出这样的改变还有重大的障碍，包括家畜和农场管理问题，消费者的抗拒和食物味道变化的渐进性。
However, there are some significant barriers to this change, including livestock and farm management issues, consumer resistance and the gradual nature of change in food tastes.
村里曾经居住着当地雇工，这些雇工开荒种地，提供服务，比如经营锻铁厂、养殖家畜、管理杂货店。
The village properties were home to the estate employees who worked the land and provided services, such as running the forge, maintaining livestock and managing the provisions stores.
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