中文摘要：

测定了91份狗牙根种质营养期干物质、粗蛋白、粗脂肪、粗纤维、粗灰分、无氮浸出物、钙和磷含量等8个营养成分指标，并以粗蛋白、粗脂肪、粗纤维和无氮浸出物作为判断指标，应用层次分析法对其营养价值进行评价，可将91份种质分为高营养型、低营养型和普通营养型3类。旨在为狗牙根作为饲草的应用价值提供理论依据。

英文摘要：

The dry matter, crude protein, crude fat, crude fiber, crude ash, ether extract, P and Ca were tested in the present paper. The nutritional quality evaluation by AHP with crude protein, crude fat, crude fiber, and ether extract as the indicators showed the 91 germplasms could be clustered into three categories： high, middle, and low nutritional quality. The purpose of this study was to discuss the nutrition value of C. dactylon.