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。
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。
Changes in egg shape, flock performance, and characteristics of occurrence were observed in caged layers affected by early calcium deficiency.
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