The application of reduced dietary crude protein levels supplemented with additional amino acids in laying ducks
This study was aimed at studying use of reduced dietary crude protein (CP) level supplemented with additional amino acids in laying ducks. A total of 720 Jingjiang ducks (50 wk) were randomly assigned to 5 treatments and fed 5 basal diets with CP levels at 17.5, 16.5, 15.5, 14.5, or 13.5%, with addi...
Main Authors: | , , , , , , , , , |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2021-04-01
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Series: | Poultry Science |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0032579121000171 |