Changes in egg shape, flock performance, and characteristics of occurrence were observed in caged layers affected by early calcium deficiency.
本文对专业户笼养蛋鸡早期钙乏症所出现的蛋形变化、鸡群表现，发生特点过行了观察。
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。
The effect of chicken egg-yolk antibodies additive on growth performance and relative biochemical indices in meat duck were studied.
研究了卵黄抗体添加剂对肉鸭生长性能的影响，并对有关生化指标进行了分析。
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 influence of anti-CCK egg-yolk antibody on performance of lactation sows was tested.
通过饲养试验分别研究了卵黄抗体和鱼油对母猪采食量及母猪生产性能的影响。
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。
The performance was another failure. They certainly laid an egg.
演出再次失败，他们显然不受欢迎。
The performance was another failure. They certainly laid an egg.
演出再次失败，他们显然不受欢迎。
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