Minkai  Xuec, Shengfu  Zhang, Hong  Chang, Yonggao  Zhao, Tangjie  Zhang, Hui-Fang  Li, Kuanwei  Chen, 
    <B>Retracted:</B> Analysis of Fitness Predominance for Gaoyou Duck&#146;s Double Yolk Egg,
    Journal of Animal and Veterinary Advances,
    Volume 10,Issue 3,
    2011,
    Pages 367-371,
    ISSN 1680-5593,
    javaa.2011.367.371,
    (https://makhillpublications.co/view-article.php?doi=javaa.2011.367.371)
    Abstract: The Publisher has withdrawn this paper as the same article has already been published in Journal of Aquaculture Feed Science and Nutrition, Volume 2 Issue 1, 1-5, 2011.
    Keywords: China;fitness; gene;Gaoyou duck;artificial selection;double yolk egg