柞蚕茧是我省的主要特产之一。巩固和发展蚕茧生产对繁荣农村经济、提高农民生活水平，支援工业生产和外贸出口创汇都具有重要意义。由于柞蚕生产在野外，受自然条件的影响较大，蚕茧产量很不稳定。因此，生产成本、收益·变化较大。为了初步了解和掌握蚕茧生产成本及收益情况? Tussah cocoon is one of the major specialty products in our province. Consolidating and developing cocoon production is of great significance to the prosperity of the rural economy, the improvement of the living standards of farmers, and the support for industrial production and foreign exchange for export. As tussah production is in the wild and affected by natural conditions, the output of cocoon is very unstable. As a result, production costs and revenues vary greatly. In order to understand and master the cocoon production costs and benefits?