The objective of this study was to investigate the effects of low doses of organic trace minerals (iron, copper, manganese, and zinc) on productive performance, egg quality, yolk and tissue mineral retention, and fecal mineral excretion of laying hens during the late laying period.

中文翻译：

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低剂量的有机微量矿物质可减少粪便矿物质的排泄，而不会影响蛋鸡的性能。

这项研究的目的是研究低剂量有机微量矿物质（铁，铜，锰和锌）对蛋鸡后期生产性能，蛋品质，蛋黄和组织矿物质保留以及粪便矿物质排泄的影响。铺设期。