自1958年我省开始放养柞蚕以来,60年代林区曾搞过柞蚕生产,但终因经营思想偏差,而导致林业养柞蚕长达20多年的空白。1990年东京城林业局试验放养3把剪子,收获蚕茧600公斤。1991年列为重点推广项目,在6个林场放养25把剪子,收获蚕茧13 000公斤,收入56780元,纯利41780元,平均每把剪子纯利1651元,今年全局铺开,13个林场(所)发展 Since the stocking tussah was raised in our province in 1958, the forest areas of the 1960s had engaged in tussah production. However, due to the deviation of business ideas, forestry raised tussah larvae for more than 20 years. In 1990, Tokyo Forestry Bureau stocked 3 scissors and harvested 600 kg of cocoon. 1991 as a key promotion project, stocking 25 scissors in 6 forest farms, harvesting 13,000 kilograms of cocoon, income 56,780 yuan, net profit 41,780 yuan, an average net profit of 1651 yuan per scissors, the overall development of this year, 13 forest farms () development of