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...
Main Authors: | , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2020-06-01
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Series: | Journal of Applied Poultry Research |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S1056617120300337 |