In this paper, the effects of sodium humate on laying performance of Nick(Parent Stock) egg genus chicken aged 48 weeks was studied.
为研究腐植酸钠对蛋种鸡生产性能的影响，选用48周龄尼克红父母代蛋鸡进行试验。
Abstract : This experiment was conducted to investigate the effects of dietary non-phytin phosphorus (NPP) level on laying performance, egg quality and tibia indices of ducks during the laying peak.
胫骨密度和骨矿物含量反映了其骨质量状况，是对磷水平较为敏感的指标，若钙磷不足，会导致蛋禽的骨质疏松症。
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。
Two experiments were arranged to study the effects of microbial phytase supplementation in laying ducks on performance and egg quality.
本研究分两个试验探讨了日粮添加植酸酶对蛋鸭生产性能和蛋品质的影响。
This paper presents the development process, product performance and application for the special laying mortar and core casting concrete.
文中介绍了专用砌筑砂浆及注芯混凝土的开发研究过程、产品性能及应用情况。
From the laying style of the gas electrode point of view, the method on how to improve the zinc-air batteries discharge performance was researched.
从改变空气电极的摆放方式的角度研究了改善锌空气电池放电性能的方法。
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。
Excellent performance five lotus fire board with non-slip, wear-resistant, stain-resistant, especially for roads, squares laying real estate, construction decoration industries.
性能优良的五荷花防火板，具有防滑、耐磨、耐污，特别适用于道路、广场铺设的房地产、建筑装饰行业。
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。
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。
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。
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。
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