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Organic trace minerals improve eggshell quality by improving the eggshell ultrastructure of laying hens during the late laying period

The objective of this study was to investigate the effects of low inclusion levels of organic trace minerals (iron, copper, manganese, and zinc) on performance, eggshell quality, serum hormone levels, and enzyme activities of laying hens during the late laying period. A total of 405 healthy hens (HY...

Ausführliche Beschreibung

Gespeichert in:
Hauptverfasser: J.L. Qiu, Q. Zhou, J.M. Zhu, X.T. Lu, B. Liu, D.Y. Yu, G. Lin, T. Ao, J.M. Xu
Format: Artigo
Sprache:Inglês
Veröffentlicht: Elsevier 2020-03-01
Schriftenreihe:Poultry Science
Schlagworte:
organic trace mineral
performance
eggshell quality
serum index
laying hen
Online-Zugang:http://www.sciencedirect.com/science/article/pii/S0032579119577951
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