1·I've gone native and now keep three egg-laying hens in my backyard.
我已经彻底变成了本地人，在后院里养了三只下蛋的鸡。
2·At last, the practical performance was tested in laying hens farm.
最后，对复合酶制剂的实际应用性能在蛋鸡养殖场进行了试验。
3·Some countries have banned (or intend to ban) such housing systems as conventional cages for laying hens.
一些国家禁止（或计划禁止）在传统的笼子内养殖蛋鸡。
4·When a local farmer suggested we get laying hens because there was a market for fresh eggs, our plan came together.
后来当地的一个农民给我们提了一个建议，他说我们可以饲养蛋鸡，因为距此不远有一个销售鲜鸡蛋的集市，我和丈夫一合计，觉得此事可行，便着手准备起来。
5·The invention discloses a compound premix for Nongda No. 3 grain-saving small laying hens in the brooding period.
本发明公开了一种农大3号节粮小型蛋鸡育雏期复合预混料。
6·Few of lanthanum and cerium persistence in eggs or tissue, there were no negative influence on laying hens' health.
与对照组相比，试验组镧和铈在鸡蛋及蛋鸡组织器官中的含量有所积蓄。
7·The effect of allicin on performance and caecum microorganism and serum biochemical index in laying hens was determined.
研究不同水平大蒜素对蛋鸡生产性能、盲肠微生物和血清生化指标的影响。
8·The world’s population of laying hens is now nearly six billion strong, according to the United Nations’s Food and Agriculture Organisation.
根据联合国粮农组织的报告，目前世界上蛋鸡的数量接近60亿只，几乎人均一只。
9·In the morning Mom places the gander in the barn where she winters a flock of laying hens, some bantams, mallard ducks and a pair of domestic geese.
第二天早上，妈妈将那只公雁放在了鸡窝里，让它在那里和一群正在孵蛋的母鸡、几只矮脚鸡、绿头鸭和一对家鹅一起过冬。
10·Therefore, net energy system can be used in formulated diets for laying hens to reduce in dietary energy levels, and better improve the economic benefits.
因此，在配制蛋鸡日粮时，可考虑采用净能标准以期降低日粮能量水平，获得更大的经济效益。