Artificial Feed for Wild Silkworms, US Patent No. 3792172
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US Patent 3,792,172 (granted Feb. 12, 1974) describes an artificial feed for rearing wild silkworms indoors, such as Chinese tusser, Japanese tusser and eri silkworms. The feed adds unicellular green algae (chlorella or scenedesmus) to conventional feeds of oak, castor bean or tree-of-heaven leaf powder, soybean, sugar, starch and vitamin C. Two examples with comparison tables show shorter larval period, higher survival and cocoon yield, and heavier cocoon shells than the prior-art feed. The patent includes the claim, cited references and background on wild silk.
- Type
- Patent
- Date
- February 12, 1974
- Language
- English
- Pages
- 2
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