Method for Germ-Free Rearing of Silkworms by Using Plastic Isolator, US Patent No. 3465720
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US Patent 3,465,720, granted September 9, 1969, to Homare Miyazawa, Shoichi Tarui and Masaki Kamada, assignors to Gunze Limited and Takeda Chemical Industries. It describes rearing silkworms germ-free on artificial diet in a sealed flexible plastic bag. The bag is sterilized and kept inflated with sterile air, with humidity at 60-100% and CO2 below 3%. The patent covers bag materials and sizes per larval stage, diet components and amounts, sterilization, growth and cocoon data compared with a control, and 14 claims. Three drawing figures show the isolator apparatus.
- Type
- Patent
- Date
- September 9, 1969
- Language
- English
- Pages
- 5
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From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
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