Effects of Dietary Metabolizable Energy and Crude Protein Levels on Reproductive Performance of Magang Geese

• Published in: 动物与饲料科学：英文版 Vol. 3; no. 2; pp. 10 - 11
• Main Author: CHEN Guo-sheng YANG Dong-hui LIANG Yong JIANG Qing-lin SI Jian-min LV Yan
• Format: Journal Article
• Language: English
• Published: 2011
• Subjects: 产蛋性能; 平均蛋重; 日粮代谢能; 粗蛋白含量; 粗蛋白水平; 繁殖性能; 饲料成本; 马岗鹅
• ISSN: 1943-9911

[ Objective] To investigate the effects of different levels of metabolizable energy and crude protein on egg laying performance and hatch- ing efficiency in Magang geese. [Method] The healthy Magang geese at 2 years old were randomly assigned into four groups, group Ⅰ, group Ⅱ, group Ⅲ and control group. They were fed with diets at different levels of metabolizable energy and crude protein, and then their eggs were collect- ed and hatched. During the test, their health was observed, and the egg weight, egg yield and hatching rate were recorded. [ Result] The average egg laying rates and average egg weight were significantly higher in the group Ⅰ, group Ⅱ and group Ⅲ than in the control group. The hatchable egg rates and egg fertilization rates of the group Ⅰ, group Ⅱ and group Ⅲ were also increased, and significance was found between the group Ⅲ and the other group （P 〈 0.05）. The feed costs of the three test groups were lower than that of the control group, and the feed cost was higher in the group Ⅲ than that in the group Ⅰ and Ⅱ. [ Conclusion] The levels of metabolizable energy and crude protein in diet have significant effects on laying performance and hatching efficiency in Magang geese.