Effects of dietary Bacillus subtilis supplementation and calcium levels on performance and eggshell quality of laying hens in the late phase of production

The objective of this study was to evaluate the effects of dietary Bacillus subtilis supplementation and calcium (Ca) levels on performance, eggshell quality, intestinal morphology, and relative calbindin-D28k (CALB1) mRNA level of laying hens in the late phase of production. An experiment employing...

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Bibliographic Details
Main Authors: Jing Wang, Wei-wei Wang, Guang-hai Qi, Chuang-fei Cui, Shu-geng Wu, Hai-jun Zhang, Li Xu
Format: Article
Language:English
Published: Elsevier 2021-03-01
Series:Poultry Science
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S003257912031021X