Nutritional requirements of meat-type and egg-type ducks: what do we know?
文献类型: 外文期刊
第一作者: Fouad, Ahmed Mohamed
作者: Fouad, Ahmed Mohamed;Ruan, Dong;Wang, Shuang;Chen, Wei;Xia, Weiguang;Zheng, Chuntian;Fouad, Ahmed Mohamed
作者机构:
关键词: Ducks;Nutritional requirements
期刊名称:JOURNAL OF ANIMAL SCIENCE AND BIOTECHNOLOGY ( 影响因子:5.032; 五年影响因子:5.922 )
ISSN: 2049-1891
年卷期: 2018 年 9 卷
页码:
收录情况: SCI
摘要: The demand for duck meat, duck eggs, and associated products is increasing each year. Classic and modern selection programs have been applied to enhance the economic traits of ducks to satisfy the requirements of consumers and enhance the incomes of producers. The nutritional requirements of unselected ducks may not be adequate, however, to fulfill the potential productivity performance of modern birds, including both meat-type and egg-type ducks. In particular, an imbalanced diet is associated with low productive performance and signs of nutritional deficiency (if insufficient nutrients are supplied), as well as with high feed costs and manure problems that reflect flock health and welfare (if excessive nutrients are supplied). Thus, the main aim of this review is to summarize the results of previous studies that estimated the nutrient requirements of meat-type and egg-type ducks in order to evaluate current knowledge and to identify further issues that need to be addressed. In addition, the results obtained in previous studies are compared in order to understand how to lower commercial feed costs, fulfill the genetic potential of selected ducks, protect the environment from pollution, and satisfy the welfare and health needs of ducks.
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