Part 1: from feeding mechanism of silkworms to artificial diet; research records on food intake and growth of silkworms. Part 2: artificial diet and fresh mulberry leaves for silkworms; environmental physiology of silkworms reared on artificial diet; aseptic rearing of silkworms; bacterial diseases and countermeasures; introduction of virus diseases; cocoons and raw silk produced by silkworms reared on artificial diet.