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Asian-Australas J Anim Sci > Accepted Articles
DOI: https://doi.org/10.5713/ajas.20.0368    [Accepted] Published online August 30, 2020.
Effects of dietary Enteromorpha powder on reproduction-related hormones and genes during the late laying period of Zi geese
Weiqing Ma1  , Danhua Zhao1  , Huangzuo Cheng1  , Sibo Wang1  , Ji Yang1  , Hongxia Cui1  , Mingyuan Lu1  , Hongzhi Wu1  , Li Xu1,*  , Guojun Liu2,* 
1College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
2Institute of Animal Husbandry of Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China
Correspondence:  Li Xu,Email: xuli_19621991@163.com
Guojun Liu,Email: hljlgj0452@163.com
Received: 26 May 2020   • Revised: 13 July 2020   • Accepted: 16 August 2020
The aim of this study was to investigate the effects of Enteromorpha powder supplementation on reproduction-related hormones and genes in the late laying period of Zi geese.
A total of 312 (1-year-old) Zi geese with similar laying rate were randomly divided into 2 groups with 6 replicates each, each with 21 female geese and 5 male geese. The control group was fed with a basal diet and the test group was fed with a diet containing 3% Enteromorpha powder. The test period lasted for 7 weeks.
Our results showed that the laying rate was improved in the test group at each week of trial (P<0.01), and the levels of Estradiol (E2) in serum and Prolactin (PRL) in ovary were increased compared with the control group (P<0.05).
Based on above results, Enteromorpha powder supplementation at 3% could promote reproductive performance during the late laying period of Zi geese.
Keywords: Enteromorpha Powder; Hormones; Genes; Late Laying Period; Zi Geese

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