Ammonia affects production performance and Toll-like receptor mRNA expression of laying ducks

Summary: The objective of this study was to assess the effects of different concentrations of ammonia on laying performance and Toll-like receptor (TLR) and cytokine mRNA expression in Shanma ducks. The experiment is a 2 × 3 × 4 three-factor mixed experimental design. The feeding density is 18 ducks...

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Bibliographic Details
Main Authors: Z. Tao, C. Zhu, S. Zhang, W. Xu, Z. Shi, W. Song, H. Liu, H. Li
Format: Article
Language:English
Published: Elsevier 2020-06-01
Series:Journal of Applied Poultry Research
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S1056617120300337