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汉语拼音：yuán cán

1.二蚕，即夏秋第二次孵化的蚕。

• Cocooning of parent silkworm and cocoon quality of light colour batch is no obviously difference compared with dark colour eggs too.

  淡色卵区原蚕结茧性、茧质成绩与深色卵无明显差异；

• A Comparative Study on Commercial Father Moth Survival Time of Present Silkworm Varieties in Shaanxi

  陕西家蚕现行品种原蚕雄蛾生命时数比较

• The primary study of rearing the young silkworm of mulberry parent silkworm with artificial diet

  家蚕原蚕稚蚕人工饲料育研究初报

• Studies on the Distribution Law of Pebrine Within Batches of Parent Silkworm Rearing

  农村原蚕饲养微粒子病检查批内分布规律研究

• Increasing economic returns of silkworm egg farms by improving egg quality of the parent silkworm

  提高原蚕区蚕种质量增加种场经济效益

• Pebrine Inspection and Sampling Scheme for Household Eggs Production in Parent Silkworm Rearing Area

  农村原蚕分户制种微粒子病检疫抽样方案

• Creation Diseases- Free Environment for Farmers'Parent Silkworm Rearing Areas

  浅谈原蚕区饲养环境的净化

• Strengthen mulberry management for the original silkworm race bases

  加强原蚕基地桑树管理提高蚕种质量

• Comparison Experiment of Rearing Results of Parent Silkworm Variety Fed on Various Mulberry Race

  不同桑品种与现行原蚕品种饲育的对比试验