柠条锦鸡儿枝条饲料营养价值分析

Analysis on Branch Feed Nutrients of Caragana korshinskii Kom

通过对15年生柠条锦鸡儿不同枝龄枝条饲料营养成分的测定,结果表明,柠条锦鸡儿枝条具有粗纤维含量高、蛋白质含量较高的营养特点,且随着枝龄的增加,粗纤维含量先明显增加后趋于稳定,粗蛋白、粗灰分、钙含量均在4 a^10 a较为稳定,粗脂肪含量总体呈下降趋势,无氮浸出物和磷的比例在枝条中整体变化较小。

Feed nutrients in the branches of 15 a Caragana korshinskii Kom were measured. The results showed that the contents of crude fiber and protein were higher, with the branch age, the content of crude fiber firstly increased significantly and then was stable. The contents of crude protein,crude ash and calcium were stable at the branch age of 4 - 10 a,the content of ether extract showed a decrease trend, the proportion of nitrogen-free extract and phosphorus trended to be stable.