加热式秸秆氨化窖的建造与氨化秸秆饲喂试验

Buiding of Heated Ammoniation Vault of Straw and Experimental of Feeding Ammoniation Straw

建 10m3加热式氨化窖具有良好的经济效益 ,氨化秸秆的成本为 5 88元 ,氨化窖年收益达 2 2 81 2 8元 ,成本率达 2 87 97%。其财务净现值和内部收益率分别为 82 2 0 18元、82 5 2 % ,动态回收期为 2 4年。通过对 2周岁的春乏牦牛和藏羊饲喂试验 ,在试验期 60d内 ,试验组牛、羊日均增重分别为 2 76 3 3g 头 ,12 7 16g 只 ,对照组分别为 97 63g 头 ,66 0 7g 只 ,差异极显著 (P <0 0 0 1) ;产值比对照组分别多增收 79 48元和 18 44元 ,经济效益明显。

It has good economical benefit to build 10m^3 heated ammoniation Vault.The cost of ammoniation straw was 588 yuan.A ammoniation vault benefit was 2281.28 yuan,and the cost rate was 287.97%.It's net current value and benefit rate were 8220.18 yuan and 82.52%,respectively.Dynamic repaying time was 2.4 year.Feed expriment on yak with tow-year and Tibetan sheep was conducted within 60d.The daily gain of yak and Tibetan sheep in experimental groups were 276.33g and 127.16g,respectively.The one of controlled groups were 97.63g and 66.07g,respectively.There was significant difference between them (P<0.001).The output value of them increased by 79.48 yuan and 18.44 yuan than those of controll groups,respectively.