中文摘要：

蛋壳破损是家禽养殖业的重要问题,受日龄、基因、环境、营养和蛋鸡的健康状况等影响。近年来,营养调控蛋壳品质的研究主要集中于微量元素和饲料添加剂。本文简述了微量元素和饲料添加剂影响蛋壳品质的研究进展,以期为生产实践中蛋壳品质的调控提供新措施。饲粮中添加一定水平和形式的锰、微生态制剂、有机酸和中药提取物等均可改善蛋壳品质。

英文摘要：

Poor eggshell quality is an important problem in poultry industry,which is affected by many factors such as age,genetic,environmental and nutritional factors,as well as the health status of hens.Many recent studies regarding the effect of nutrition on eggshell quality regulation have focused on dietary microelement and feed additives.This study was summarized the research progress of microelement and feed additives on eggshell quality regulation,in order to provide new measures for regulating eggshell quality in production practice.And the eggshell quality may be positively affected in certain conditions by optimal dietary level and form of manganese,as well as by the addition of probiotics,organic acids and herb extracts.