不同地区、不同年龄藏羊羊绒白度测定

Downhair Whiteness of Tibetan Sheep at Various Ages in Different Areas

用纤维白度分析仪对青海省不同地区、不同年龄藏羊羊毛中的羊绒白度进行测定。结果：①按地区看，成年羊羊绒中，以刚察县的最好，天峻县的次之，白度值分别为０．２１０，０．２１３，羔羊羊绒中，以天峻县的最好，玛沁县的次之，白度值分别为０．２１０、０．２１７；②从年龄上看，成年羊羊绒白度优于羔羊羊绒白度，平均白度值分别为０．２１８，０．２２９；③刚察、天峻、祁连等县的藏羊羊绒白度比海西的山羊绒和青海细毛羊、青海半细毛羊、加什科半细毛羊的羊毛及甘肃产的安哥拉山羊毛、中卫山羊毛以及进口的６０支澳毛条都好。藏羊羊绒白度的良好性。

Downhair whiteness of tibetan sheep at various ages in different areas was determined.The results as follows∶1) The downhair of adult sheep in Gangca county is the best,followed by Tianjun county,the whiteness values were 0.210 and 0.213 respectivly.2).The downhair of adult sheep is better than that of lambs,the whiteness values were 0.218 and 0.229 g respectively.3).the downhair of Tibetan sheep is more white than that of other species such as Haixi goat,Gansu Augore goat,Zhongwei goat,Qinghai fine and semi fine wool sheep,Jashike sheep,it is also more white than the imported Australian combed tops of count number 60. \ \