蛋氨酸铜、铁、锌、锰络合物在肉鸭、蛋鸭配合饲料中的应用研究

The Applied Study on Methionine Cu, Fe, Zn and Mn Complex Compound in Formula Feed of Meat and Laying Ducks

采用四因子、三水平的Ｌ＿９（３￣４）正交设计，对产蛋鸭进行两次重复的正交试验，筛选出蛋氨酸铜、铁、锌、锰络合物在蛋鸭配合饲料中的最佳用量为Ｃｕ３ｍｇ／ｋｇ、Ｆｅ２０ｍｇ／ｋｇ、Ｚｎ６０ｍｇ／ｋｇ、Ｍｎ５５ｍｇ／ｋｇ（以络合态的元素含量计）。并以此为标准作为试验组，用同水平的无机矿物元素作为对照组进行对比饲养试验，考核其对蛋鸭产蛋和肉鸭生长性能及饲料转化率的影响。试验结果表明：（１）对产蛋鸭的产蛋率、饲料报酬，试验组比对照组分别提高１０．８２％、１０．６７％，差异均极显著（Ｐ＜０．０１）。（２）对肉鸭的饲料报酬试验组比对照组提高５．３５％，增重速度公鸭提高２．０３％，母鸭提高１２．９０％。说明使用蛋氨酸铜、铁、锌、锰络合物可提高蛋鸭的产蛋性能和肉鸭的生长性能及饲料转化率。

According to the two experiments by the orthogonal design L_9(3￣4),the optimum levcl of methionlne-Cu,Fe, Zn and Mn complex was chosen in the formula feed of laying ducks. The composition was Cu 3 mg/kg, Fu20mg/kg,Zn 60mg/kg and Mn 55mg/kg. The effect on the laying and meat duck’s growth was tested in this same level,and adding inorganic salt as control. The results showed that:1)In the trial of laying ducks, the egg production rate and feed conversion were increased by 10.82% and 10.67% respectively(P>0.01),compared with the control group. 2)In the trial of meat ducksk, the feed conversion was increased by 5.35% and the weight gain of male and fe-male meat ducks were increased by 2.02%and 1 2.90% respectively,compared with the control.It was suggested that methionine Cu, Fe, Zn and Mn complex compound could be used as an ideal feed additive to inprove laying perfor-mance,growth performance and feed conversion of ducks.