In addition, acute change of diet, molting, temperature and ducks density influenced the egg performance in Sbaoxing ducks.
突然变换日粮、环境温度、饲养密度和换羽明显影响产蛋性能。
参考来源 - 绍兴鸭优良产蛋性能的内分泌及分子生物学机制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
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