我省养蚕事业颇为发达,约占全国丝绸出口额的一半以上,对蚕粪的综合利用,有其一定的经济价值.蚕粪中成分,因蚕龄的增长而有变化,三眠,四眠,五眠蚕的粗脂肪分析的结果分别为1.38%、1.27%、2.28%.而五眠蚕粪分析结果:水份15.65%,粗蛋白9.36%,粗纤维 The sericulture industry in our province is quite developed, accounting for more than half of the country’s silk export volume. It has certain economic value for the comprehensive utilization of silkworm excrement. The composition of silkworm excrement changes due to the growth of silkworm age. The results of crude fat analysis of four sleeps and five-moth silkworms were 1.38%, 1.27%, and 2.28%, respectively. The analysis results of the five-moth silkworm excrement: moisture 15.65%, crude protein 9.36%, crude fiber