well, it is part of sericulture in which worms are raised for the production of raw silk. Wrap the tree trunk with oil coated polythene sheet to prevent the worms from crawling down and predators from climbing up the trees. The larvae are covered in tiny dark hair. 6 SILKWORM REARING TECHNOLOGY 1.4.1. Himachal In about 10-14 days each of the eggs hatches and produces a larva which is also known as a caterpillar. One tree can be utilized for two rearing in a year alternately during spring and autumn, thus one full grown tree can yield 1000 cocoons in a year and 5 trees are required to produce 5000 cocoons which yield one kg. A feeding bed is prepared on a rearing tray by sprinkling chopped mulberry leaves onto it. Orissa Sericulture is an important agro-based cottage industry which provides gainful employment to the rural section of the society. During the rearing period, they restrict entry of people to the rearing plot as they believe that the evil sight of outsider may cause Mukhloga disease (Flacherie, a bacterial disease of muga silkworm… The silkworm seed production centers are referred as grainages. Muga silkworm belongs to Lepidoptera of Saturniidae family and, geographically isolated only to NE region of India. Rearing of silkworm to produce raw silk is called sericulture. Use nylon net to protect the early stage worms from pests and predators. Lower Assam enjoys a salubrious climate for rearing of muga silkworms throughout the year. In this process, silkworms are reared at appropriate temperature and humidity to get silk threads from cocoons. The female silkworm lays 300-400 eggs and insulates them on the leaves of the mulberry tree. Consider only microscopically examined disease free eggs and incubate at 26±1 °C and 85±5 % relative humidity. %µµµµ The success of the silkworm rearing depends on the quality of leaves, suitable environment … The silkworm pupas are usually collected, cooked and eaten during the process. Overcrowding of larvae in the chaloni as well as in the new plants should be avoided. The time taken to weave a single Muga silk saree is roughly two months, from rearing the silkworm to obtaining the finished product. Use disinfected Chaloni for transfer of worms. Meghalaya 150 days in winter. Rearing of Muga silkworm Muga silkworm rear in out door on tree. Prune 15-20% of the plants at 6 feet height 4 months prior to rearing for early stage and 5 months prior to rearing for late stage worms. Tamil Nadu Directory of Sericulture Technology 2008, Karnataka State Sericulture Research and Development Institute, Bangalore- 560 062. Silkworm raisers collect the silk unraveling the cocoons. Transfer only the healthy and uniformly mounted worms to new plants. Sericulture. Select well formed good cocoons for seed production as well as for reeling purpose. Scanning electron microscopy on the postembryonic development of the mouthpart sensory structures of the Muga silk moth, Antheraea assamensis revealed the presence of a variety of sensilla. This process is divided into several stages but typically starts from cultivating silkworm on mulberry leaves. hailstorm, heavy rain, whirl wind etc., brush worms indoor for 2-3 days in twigs kept in wet sand or in bottles containing water. EkuÖEAü¢oŠýÔÙsw'ùg¨4=ØÓÁb8J¾w3TJžkßûçP–Ë™?TéÀûe8Šôâ%=›†qì‡é*_yÃxðq˜–þ0x}˓ÐϜå¿T/lâGzï|*È̆?ö-Lc_«4ÃQHçÎ[œßÖĕg/fƒ@ U. Jammu & Kashmir Rearing house should be well ventilated and fly proof. The Muga silkworm is a bit more independent. Jharkhand <>>> %PDF-1.5 xœ¥\ëÛF’ÿnÀÿ¿\ Í&Ù|ÁàfÆãx²~äf& ²I° %Ž†ˆ^+QöÎýõW¿ªn’-‰’‚Ë®c²»ºººÞUMåõ庮‹qí}ÿýë˺.ÆOåÄûýõÃrõçë‡çUùú§bZ-ŠºZ...¼«7×ÞÕÃ˯ß*/óƒØ{x|ùByýOyyî‡Iì%AîǙ÷0ù"ð¦ø×/_x£À‚< ½‡ñïƒýkø§÷ðãË7„ø, The rearing performance of CSR-18 and CSR-19 breeds of silkworm was studied on S-41, S-54, M-5 and V-1 during rainy season. Muga silk worm is multivoltine and 5-6 crops are raised in a year out of which two commercial crops (Jethua: May- June and katia: October- November), two pre-seed crops (Jarua: December- January and Aherua: June- July) and two seed crops (Chotua: February- March and Bhodia: July- August. Muga silk is the product of the silkworm Antheraea assamensis endemic to Assam. assam and meghalaya muga rearing is the toughest of all types of silkworm rearing because it has to be done outdoors on the trees themselves rearing house is a part of sericulture where silkworms are raised ... silkworm rearing in sericulture the silkworm rearing process begins with the laying of … Rearing house. 1 0 obj 4 0 obj The process of silk production is known as sericulture. While fitting the nylon net attention should be given to keep sufficient space between the net and foliage for free aeration.