Package of practices of Muga, Eri and Mulberry Sericulture for North Eastern region of India, 2005, Central Muga Eri Research & Training Institute, Lahdoigarh, Jorhat, Assam. Special features. 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… Incubation Process 9. Select well formed good cocoons for seed production as well as for reeling purpose. %PDF-1.5 Eri silkworms are reared indoor. The actual weaving process takes about one week to 10 days to complete. Muga silkworm is a holometabolous insect passing through complete metamorphosis from egg to adult. In sericulture, the silkworm rearing process begins with the laying of eggs by the female silk moth. Keywords: Lepidoptera, Saturniidae, muga silkworm, Antheraea assamensis, rearing, improvement, disease, grainage 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. The female silkworm lays 300-400 eggs and insulates them on the leaves of the mulberry tree. well, it is part of sericulture in which worms are raised for the production of raw silk. endobj Muga silkworm belongs to Lepidoptera of Saturniidae family and, geographically isolated only to NE region of India. 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. Meghalaya Over and above, the time taken to make one single saree is about two months right from rearing the silkworm to the finished product. Kerala stream Sericulture. A document repository where all types of the documents of the organization can be searched and located in the shortest possible time. Muga silkworm cultivation has been an age old practice, it is obviously environment controlled and the rearing performance is quite different in each season. During extreme weather conditions i.e. <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 453.6 652.08] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Transfer only the healthy and uniformly mounted worms to new plants. Usually pre-seed and seed crops encounter adverse climatic condition resulting in heavy loss during the early stages due to environmental rigours, disease incidence and infestation of pests and predators. The larvae are covered in tiny dark hair. Muga silkworm, Antheraea assamensis Helfer, generally reared outdoor on standing host trees for which it is always under pressure of vagaries of weather conditions causing substantial loss. of muga silk. Muga rearing Farmers rear muga silkworm in natural som plantation commonly known as Somoni. Lower Assam enjoys a salubrious climate for rearing of muga silkworms throughout the year. The life cycle lasts for 50 days in summer and max. The silkworm seed production centers are referred as grainages. Before 4 days of brushing, 0.01% Sodium Hypochlorite solution should be sprayed on the foliage of chawki rearing plot twice at an interval of 24 hours as disinfectant. 4 0 obj 2 0 obj Muga moth (“Muga Polu’ in Assamese) also has the same life cycle as other silk­worms, i.e., egg, larva, pupa and adult. Jammu & Kashmir Karnataka Wrap the tree trunk with oil coated polythene sheet to prevent the worms from crawling down and predators from climbing up the trees. name to view SILKS, Central Silk Board, Minisitry of Textiles, Government of India, Bangalore, Silkworm Food Plants Production Technologies, Improved Varieties of Silkworm Food Plants, 4th week of February / 1st week of march. The Muga silkworm is a bit more independent. %µµµµ Periodical spray of sodium hypochlorite (0.01%) twice in each instar helps to reduce the possibility of outbreak of bacterial and viral diseases. Disinfection and prophylactic measures. Nagaland endobj Rearing of Muga silkworm. Bihar While fitting the nylon net attention should be given to keep sufficient space between the net and foliage for free aeration. Several workers experimentally practiced indoor rearing of muga silkworm applying different types of rearing devices and, some of them reported effective over outdoor rearing. Tamil Nadu 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. Techniques of rearing the Muga Silkworms. In this process, silkworms are reared at appropriate temperature and humidity to get silk threads from cocoons. The silkworms are reared out door and as such are exposed to vagaries of nature. 1 0 obj Rearing house should be well ventilated and fly proof. Muga silkworm rear in out door on tree. Even today muga is the monopoly of Northeast India, particularly Assam and Meghalaya. Fungal Diseases: (A) Muscardine: Fungal diseases of silkworm are called muscardine where the body of larvae gets mummified due to deposition of calcium oxalate and hence the disease is also called ‘calcino’. 6 SILKWORM REARING TECHNOLOGY 1.4.1. Uttrakhand Overcrowding of larvae in the chaloni as well as in the new plants should be avoided. 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. 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. Orissa In about 10-14 days each of the eggs hatches and produces a larva which is also known as a caterpillar. Muga silkworm culture is a traditional outdoor rearing practice adopted by … KEY WORDS: Indoor, Outdoor, Rearing, Som, Soalu, Wooden tray, Larvae, Instars, dfls. Assam Muga Silkworm Rearing Technology. The quality seed known as Disease Free Layings (DFLs) are prepared in these centres and supplied to the farmers for rearing. When it comes to the definition of the silkworm, it is the larva or caterpillar of the “Bombyx mori” moth. Himachal Muga rearing is the toughest of all types of silkworm rearing because it has to be done outdoors on the trees themselves. The plinth area 10 m x 5 m size rearing house having tin or thatch roofing with 1.5 m varandah all around is ideal for accommodating 100 dfls for commercial silkworm rearing per crop. the most important factors to be considered in Muga silkworm cultivation regardless of indoor or outdoor rearing. While brushing, carrying capacity of the plant should be judged properly so that larvae may achieve 4th stage in the same tree without transfer. Arunachal Pradesh Directory of Sericulture Technology 2008, Karnataka State Sericulture Research and Development Institute, Bangalore- 560 062. 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. Sri Dulal Goswami, Dr. NI Singh, Dr. K. Neog, Central Muga Eri Research & Training Institute, Lahdoigarh, Jorhat, Assam. Life cycle,morphology and Rearing of Muga silkworms - YouTube This paper reviews various aspects of muga silkworm culture, including the availability of different populations, and methods used to select for improvement in survival, cocoon yield, disease resistance, conservation and egg production. Dust bleaching powder and slaked lime mixture (1 : 9) @ 200 g/m2 in the rearing plot atleast twice at an interval of 3-4 days before 8-10 days of brushing. Allow the worms to spin cocoons in bamboo box type mounts (capacity 1500 worms/mount). 150 days in winter. Typically, 300-500 eggs are obtained from one female silk moth. Use disinfected Chaloni for transfer of worms. <> >Choose State The time taken to weave a single Muga silk saree is roughly two months, from rearing the silkworm to obtaining the finished product. An icon used to represent a menu that can be toggled by interacting with this icon. Causative organisms: 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, Rearing of Muga silkworm Muga silkworm rear in out door on tree. Mizoram The larva begins molting when the head turns darker and may molt about four times after which the body turns sli… The rearing was conducted with three treatments, 1) complete indoor rearing up to spinning of worms (T-1); 2) indoor rearing up to 2nd in star and then transferring the worms to standing trees (T2) and 3) complete outdoor rearing (Control). endobj The success of the silkworm rearing depends on the quality of leaves, suitable environment … (ii) Disinfection of rearing place and appliances between each stage of whole rearing process. Disinfection before and after each rearing is considered the key for a … The silkworm pupas are usually collected, cooked and eaten during the process. 3 0 obj EkuÖEAü¢oŠýÔÙsw'ùg¨4=ØÓÁb8J¾w3TJžkßûçP–Ë™?TéÀûe8Šôâ%=›†qì‡é*_yÃxðq˜–þ0x}˓ÐϜå¿T/lâGzï|*È̆?ö-Lc_«4ÃQHçÎ[œßÖĕg/fƒ@ U. Sikkim Harvest cocoons only after completion of pupation (7th day in summer and 10th day in winter). This process is divided into several stages but typically starts from cultivating silkworm on mulberry leaves. Adult muga moth: The wings and body of the male moth are copper brown to dark brown, while those of female is yellowish to brown. Rearing of silkworm to produce raw silk is called sericulture. Muga silk is the product of the silkworm Antheraea assamensis endemic to Assam. Full text of "Sino-Iranica; Chinese contributions to the history of civilization in ancient Iran, with special reference to the history of cultivated plants and products" See other formats Silkworm raisers collect the silk unraveling the cocoons. The silk produced is known for its glossy, fine texture and durability. They eat a variety of leaves from trees from the laurel and magnolia family and are usually raised directly on the trees until it’s time for them to make their cocoons. Jharkhand 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. Andhra Pradesh Chhatisgarh Sericulture is an important agro-based cottage industry which provides gainful employment to the rural section of the society. Rearing of Silkworm: In the beginning, the female silk moth lays hundreds of … A feeding bed is prepared on a rearing tray by sprinkling chopped mulberry leaves onto it. Consider only 1-3 days hatched worms for rearing. Muga Silkworm and Muga Silkworm life cycle pabitrakalitatulika@gmail.com 2018-08-31T04:01:00-07:00 5.0 stars based on 35 reviews Muga Silkworm The Muga Silkworm has its natural habitat in the deep forests of the North East India. Uttar Pradesh Only during the egg-laying process, rearing is done indoors on small sticks or sun grasses. These eggs (laid on a paper/cardboard sheet) are then disinfected with the help of a 2% formalin solution. Manipur The larvae of these moths feed on som ( Machilus bombycina ) and sualu ( Litsaea polyantha ) leaves. West Bengal, Choose state and district Punjab <>>> Madhya Pradesh Consider only microscopically examined disease free eggs and incubate at 26±1 °C and 85±5 % relative humidity. hailstorm, heavy rain, whirl wind etc., brush worms indoor for 2-3 days in twigs kept in wet sand or in bottles containing water. of muga silk. This area has identified as seed zone by Central Silk Board. The weaving process of the Muga silk saree alone takes up one week to ten days to complete. Introduction To Silkworm Rearing. Mulberry silkworm rearing, being completely domesticated, demands specified environmental conditions like optimum temperature (24-28oC) and relative humidity (70-85%). Sort out good, flimsy, Uzi infested cocoons after harvesting. Tripura Brush newly hatched worms on 90 days old foliage (120 days old in winter) under nylon net in between 5 to 7 AM on the opposite side of the sun during summer and towards sun during winter. BRUSHING OF LOOSE EGGS The eggs are spread evenly in one layer in the box and kept in black box at blue egg stage. The types, distribution pattern of the sensilla remained almost the same in the different larval stages except for the number and dimension in some cases. <> Maharashtra Rearing house. The golden colour and shine of the fabric is one of the most unique features of Muga silk. What is silkworm rearing? 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 … The process of silk production is known as sericulture. Use nylon net to protect the early stage worms from pests and predators. 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