Yosan Hiroku

Silk was Imported from China as a luxury textile and silk worm breeding, silk reeling and textile manufacturing was conducted domestically even before the Edo period. With the beginning of the Edo period, product manufacturing took off on a nationwide scale, and local special goods were made in various regions throughout Japan. With this , sericulture technology made significant progress, with over 100 technical books being published during the Edo period. Volume one of this book discusses the origin of sericulture, naming, type of silkworm, mulberry tree plantation, silkworm breedint tools. Volume two explains the actual breeding process of silkworms from birth, bed cleaning, larvae separation to spinning of the silk. Volume three goes into the production of raw cotton and cotton threads. The author of this book, Mrikuni Uegaki, ran a silk breeding farm in Tajima, and worked to improve silk breeding techniques by incorporating methods form other areas. This book is considered a comprehensive book of silkworm breeding technology.