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。
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。
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。
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。
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。
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