Poultry science
The optimal dietary Zn requirement in meat ducks from 22 to 42 days of age: effects on growth performance, tibial characteristics, and feather follicle development.
Zhijun Lu, Qingji Cao, Kaixuan Zhu, Shicai Qu, Yue Chang, Xuan Ding, Jiaqi Liu, Guangjie Sun, Xinting Jiang, Huaqi Zhang, Yongwen Zhu
Published: 202610.1016/j.psj.2026.106425
Abstract
This study aimed to determine the optimal dietary zinc (Zn) requirement for meat ducks during days (d) 22-42. A total of 336 ducks were assigned to 1 of 6 dietary treatments supplemented with 0, 20, 40, 60, 80, or 100 mg/kg Zn in the form of ZnSO4·7H…
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