Effects of adding betaine on laying performance and contents of serum yolk precursors VLDL and VTG in laying hen
Eight hundred ISA laying hens of 20 weeks of age were tested to investigate the effects of betaine on contents of serum yolk precursors VLDL (very low-density lipoprotein) and VTG (vitellogenin) for 350 days. Laying hens were randomly allotted to four groups with four replicates each. The groups wer...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Zhejiang University Press
2006-05-01
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| Series: | 浙江大学学报. 农业与生命科学版 |
| Subjects: | |
| Online Access: | https://www.academax.com/doi/10.3785/1008-9209.2006.03.0287 |
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