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。
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。
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。
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。
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。
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。
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。
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。
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。
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。
This experiment was conducted to evaluate the effects of vitamin a (va) supplementation in diet on growth performance and immune function of laying hens and broilers.
试验研究了不同的维生素a (VA)添加水平对肉鸡和蛋鸡的生长性能及机体免疫功能的影响。
Abstract: This experiment was conducted to study the effects of dietary manganese methionine (Mn-Met) on performance, egg quality and serum biochemical parameters of laying hens.
摘要本试验旨在研究饲粮添加蛋氨酸锰对蛋鸡生产性能、蛋品质及血清生化指标的影响。
The more effective method of isolating the osteoblastic cells from calvariae of embryonic chicken was built in order to supply the further way to study the osteoporosis of cage laying hens.
建立有效的鸡胚额骨成骨细胞的培养方法，为笼养蛋鸡骨质疏松症研究提供新的试验手段。
这些母鸡产蛋量很大。
Tests on the effects of music on living organisms besides humans have shown that special pieces of music (including the Blue Danube) aid hens in laying more eggs.
对人类之外的生物进行音乐效应测试显示某些特定的音乐(包括蓝色多瑙河)能让母鸡下更多的蛋。
这些母鸡现在不下蛋了。
Last week they laid 30 eggs, but this week the hens aren't laying.
上星期那些母鸡下了30个蛋，但本周没有下蛋。
There was no significant difference in production performance and nutrition utilization between individual and combined supplementation of amylase and compound enzymes to diet for laying breeder hens.
与单独添加相比，淀粉酶和复合酶联合使用时，蛋鸡生产性能和养分利用率并未得到明显改善。
In order to maintain the laying-hen's normal production under hot-stressed, this review summarized how to alleviate the hot-stressed effect on laying-hens by nutrition way.
为了维持热应激下蛋鸡正常的生产能力，作者主要从营养角度来综述如何缓解蛋鸡的热应激效应。
The hens are not laying well at the moment.
现在这些鸡下蛋不多。
The hens are not laying well at the moment.
现在这些鸡下蛋不多。
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