Effect of Dietary Zinc Level on Egg Production Performance and Eggshell Quality Characteristics in Laying Duck Breeders in Furnished Cage System
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DOI: 10.1007/s12011-019-01927-9
Abstract: In order to investigate the effect of dietary Zn levels on laying performance, eggshell quality, and eggshell microstructure in Muscovy duck breeders under furnished cages. Firstly, the effects of age (35 weeks vs 40 weeks)… read more here.
Keywords: system; egg; duck; duck breeders ... See more keywords
The effects of dietary Se on productive and reproductive performance, tibial quality, and antioxidant capacity in laying duck breeders
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DOI: 10.1016/j.psj.2020.04.006
Abstract: This study evaluated the optimal concentrations of dietary Se for the productive and reproductive performance, tibial quality, and antioxidant status in duck breeders aged 23 to 49 wk. In total, 432 Longyan duck breeders aged… read more here.
Keywords: tibial quality; duck; duck breeders; activity ... See more keywords