又到桑绿养蚕时。近几年，蚕种生产经营的无序竞争加剧了蚕茧收购市场管理的难度。针对省内蚕种管理存在的问题，近日，山东省丝绸总公司作出严肃规定。 蚕种生产将本着“确保省内需求，严格控制省外销售，提倡和鼓励出口”的原则，实行统一计划管理。经省总公司对省内单位提报 Back to mulberry green sericulture. In recent years, disorderly competition in the production and management of silkworm eggs has exacerbated the difficulty of managing silkworm cocoons acquisitions. For the province silkworm management problems, recently, Shandong Silk Corporation to make serious provisions. The production of silkworm eggs will be guided by the principle of “ensuring the demand in the province, strictly controlling the sales outside the province, promoting and encouraging exports” and implementing unified plan management. The provincial headquarters of the provincial unit reported