섶종류별(섶種類別) 견질(繭質) 및 경제성(經濟性)에 관(關)하여

1969年 春蠶期에 蠶品種 雪岳×昭陽을 供試하여 섶種類別(回轉섶, 改良섶, 지네섶, 새끼섶, 솔가지섶) 繭質을 調査하고 其 經濟性의 優劣을 究明하여 上簇改良을 爲한 資料로 供與하고져 1976年 春期價額을 基準으로 經濟性을 調査한 結果는 다음과 같다. 1. 回轉섶은 上繭比率, 繭層比率, 解舒率 및 生絲量比率 等이 높으며 收繭作業이 便利하므로 經濟性이 가장 높은바 改良섶에 對比한 回轉섶의 箱子當 收益 增加額은 8,100원이며 最近의 多絲量系 蠶品種을 供試할 경우에는 더욱 많아질 것으로 思料된다. 2. 지네섶은 改良섶보다는 性能이 못하지만 새끼섶, 솔가지섶보다는 優秀하고 製作이 比較的 손쉬운 點이 있다. Utilization of the various cocoon beds were evaluated by raising the silkworm variety "Seul-ak×Soyang" according to cocoon quality produced in spring of 1969: Rotary cocoon bed, improved cocoon bed, grima cocoon bed, wood framed straw rope cocoon bed, and pine cocoon bed. In addition the economical analysis was made on the basis of cocoon price in spring of 1976. 1. The Rotary cocoon bed has economically much advantages in many ways; easy cocoon collection and percentage of best cocoon, percentage of cocoon shell, reelability and percentage of raw silk. It may give 8100 won for an extra income per box and increase by raising higher yielding variety. 2. The grima cocoon bed is superior to the wood framed straw rope cocoon bed, and the pine cocoon bed and it is comparatively easy set-up even though it is inferior to the improved cocoon bed in many characters.