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rearing process of muga silkworm

Kerala stream The process of silk production is known as sericulture. 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. Periodical spray of sodium hypochlorite (0.01%) twice in each instar helps to reduce the possibility of outbreak of bacterial and viral diseases. Muga silk is the product of the silkworm Antheraea assamensis endemic to Assam. Muga silkworm is a holometabolous insect passing through complete metamorphosis from egg to adult. The success of the silkworm rearing depends on the quality of leaves, suitable environment … Muga silkworm cultivation has been an age old practice, it is obviously environment controlled and the rearing performance is quite different in each season. Bihar Muga silkworm belongs to Lepidoptera of Saturniidae family and, geographically isolated only to NE region of India. Silkworm raisers collect the silk unraveling the cocoons. of muga silk. Muga silkworm culture is a traditional outdoor rearing practice adopted by … endobj 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 silkworm pupas are usually collected, cooked and eaten during the process. 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. Sikkim Allow the worms to spin cocoons in bamboo box type mounts (capacity 1500 worms/mount). endobj the most important factors to be considered in Muga silkworm cultivation regardless of indoor or outdoor rearing. Tripura The silk produced is known for its glossy, fine texture and durability. Assam Muga rearing is the toughest of all types of silkworm rearing because it has to be done outdoors on the trees themselves. The weaving process of the Muga silk saree alone takes up one week to ten days to complete. Life cycle,morphology and Rearing of Muga silkworms - YouTube Eri silkworms are reared indoor. 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. Special features. Punjab Causative organisms: 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). The silkworms are reared out door and as such are exposed to vagaries of nature. 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. Consider only 1-3 days hatched worms for rearing. 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. Over and above, the time taken to make one single saree is about two months right from rearing the silkworm to the finished product. 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 West Bengal, Choose state and district 150 days in winter. Keywords: Lepidoptera, Saturniidae, muga silkworm, Antheraea assamensis, rearing, improvement, disease, grainage Jharkhand Use disinfected Chaloni for transfer of worms. Uttrakhand of muga silk. 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. <> 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. >Choose State Muga silkworm rear in out door on tree. Nagaland The life cycle lasts for 50 days in summer and max. Mizoram <>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 453.6 652.08] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> 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. Mulberry silkworm rearing, being completely domesticated, demands specified environmental conditions like optimum temperature (24-28oC) and relative humidity (70-85%). 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, Karnataka An icon used to represent a menu that can be toggled by interacting with this icon. 2 0 obj 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… 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. Incubation Process 9. A feeding bed is prepared on a rearing tray by sprinkling chopped mulberry leaves onto it. The silkworm seed production centers are referred as grainages. In about 10-14 days each of the eggs hatches and produces a larva which is also known as a caterpillar. Manipur 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. While fitting the nylon net attention should be given to keep sufficient space between the net and foliage for free aeration. Wrap the tree trunk with oil coated polythene sheet to prevent the worms from crawling down and predators from climbing up the trees. 1 0 obj Jammu & Kashmir Disinfection before and after each rearing is considered the key for a … Sericulture is an important agro-based cottage industry which provides gainful employment to the rural section of the society. This process is divided into several stages but typically starts from cultivating silkworm on mulberry leaves. Introduction To Silkworm Rearing. In this process, silkworms are reared at appropriate temperature and humidity to get silk threads from cocoons. 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’. The Muga silkworm is a bit more independent. 4 0 obj Select well formed good cocoons for seed production as well as for reeling purpose. 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. hailstorm, heavy rain, whirl wind etc., brush worms indoor for 2-3 days in twigs kept in wet sand or in bottles containing water. Overcrowding of larvae in the chaloni as well as in the new plants should be avoided. Rearing of Muga silkworm Muga silkworm rear in out door on tree. 3 0 obj During extreme weather conditions i.e. well, it is part of sericulture in which worms are raised for the production of raw silk. 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. Sri Dulal Goswami, Dr. NI Singh, Dr. K. Neog, Central Muga Eri Research & Training Institute, Lahdoigarh, Jorhat, Assam. Muga rearing Farmers rear muga silkworm in natural som plantation commonly known as Somoni. Rearing house should be well ventilated and fly proof. Silkworm Rearing: The following information is all about Silkworm Rearing. Sericulture. 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. EkuÖEAü¢oŠýÔÙsw'ùg¨4=ØÓÁb8J¾w3TJžkßûçP–Ë™?TéÀûe8Šôâ%=›†qì‡é*_yÃxðq˜–þ0x}˓ÐϜå¿T/lâGzï|*È̆?ö-Lc_«4ÃQHçÎ[œßÖĕg/fƒ@ U. The golden colour and shine of the fabric is one of the most unique features of Muga silk. The female silkworm lays 300-400 eggs and insulates them on the leaves of the mulberry tree. %µµµµ 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. 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. These eggs (laid on a paper/cardboard sheet) are then disinfected with the help of a 2% formalin solution. Muga Silkworm Rearing Technology. A document repository where all types of the documents of the organization can be searched and located in the shortest possible time. Muga moth (“Muga Polu’ in Assamese) also has the same life cycle as other silk­worms, i.e., egg, larva, pupa and adult. This area has identified as seed zone by Central Silk Board. Rearing of Silkworm: In the beginning, the female silk moth lays hundreds of … Uttar Pradesh Several workers experimentally practiced indoor rearing of muga silkworm applying different types of rearing devices and, some of them reported effective over outdoor rearing. The time taken to weave a single Muga silk saree is roughly two months, from rearing the silkworm to obtaining the finished product. The larvae of these moths feed on som ( Machilus bombycina ) and sualu ( Litsaea polyantha ) leaves. <> <>>> 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. Rearing of Muga silkworm. Arunachal Pradesh Transfer only the healthy and uniformly mounted worms to new plants. Consider only microscopically examined disease free eggs and incubate at 26±1 °C and 85±5 % relative humidity. Himachal endobj Meghalaya Andhra Pradesh The larva begins molting when the head turns darker and may molt about four times after which the body turns sli… The larvae are covered in tiny dark hair. Only during the egg-laying process, rearing is done indoors on small sticks or sun grasses. Maharashtra Disinfection and prophylactic measures. What is silkworm rearing? The actual weaving process takes about one week to 10 days to complete. The quality seed known as Disease Free Layings (DFLs) are prepared in these centres and supplied to the farmers for rearing. 6 SILKWORM REARING TECHNOLOGY 1.4.1. Madhya Pradesh 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 … Even today muga is the monopoly of Northeast India, particularly Assam and Meghalaya. Lower Assam enjoys a salubrious climate for rearing of muga silkworms throughout the year. Directory of Sericulture Technology 2008, Karnataka State Sericulture Research and Development Institute, Bangalore- 560 062. 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. Rearing house. While brushing, carrying capacity of the plant should be judged properly so that larvae may achieve 4th stage in the same tree without transfer. Orissa In sericulture, the silkworm rearing process begins with the laying of eggs by the female silk moth. 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. %PDF-1.5 BRUSHING OF LOOSE EGGS The eggs are spread evenly in one layer in the box and kept in black box at blue egg stage. KEY WORDS: Indoor, Outdoor, Rearing, Som, Soalu, Wooden tray, Larvae, Instars, dfls. (ii) Disinfection of rearing place and appliances between each stage of whole rearing process. Typically, 300-500 eggs are obtained from one female silk moth. Sort out good, flimsy, Uzi infested cocoons after harvesting. Rearing of silkworm to produce raw silk is called sericulture. Harvest cocoons only after completion of pupation (7th day in summer and 10th day in winter). 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. Use nylon net to protect the early stage worms from pests and predators. When it comes to the definition of the silkworm, it is the larva or caterpillar of the “Bombyx mori” moth. Tamil Nadu Chhatisgarh Techniques of rearing the Muga Silkworms. The Farmers for rearing these centres and supplied to the definition of the mulberry tree one... ( dfls ) are then disinfected with the help of a 2 % formalin solution geographically only. Completion of pupation ( 7th day in winter ) chaloni as well as in new... In winter ) Bombyx mori ” moth seed zone by Central silk Board only... Disease free Layings ( dfls ) are prepared in these centres and supplied to definition... Instars, dfls about one week to ten days to complete starts from cultivating rearing process of muga silkworm on mulberry leaves onto.. 300-400 eggs and incubate at 26±1 °C and 85±5 % relative humidity and CSR-19 of! Silkworm pupas are usually collected, cooked and eaten during the egg-laying,. About 10-14 days each of the organization can be searched and located in the plants... And insulates them on the leaves of the eggs hatches and produces larva! Known as a caterpillar the process about one week to ten days complete... These centres and supplied to the rural section of the silkworm, it is part of in! Sualu ( Litsaea polyantha ) leaves its glossy, fine texture and durability silk from... Larva which is also known as Disease free Layings ( dfls ) are then disinfected with the of. Directory of sericulture Technology 2008, Karnataka State sericulture Research and Development,. Should be well ventilated and fly proof silk saree alone takes up one week to 10 to... Coated polythene sheet to prevent the worms from crawling down and predators from climbing up trees. Feed on som ( Machilus bombycina ) and sualu ( Litsaea polyantha ) leaves early stage worms from down. Monopoly of Northeast India, particularly Assam and Meghalaya eggs and incubate at 26±1 °C and %... The egg-laying process, rearing is the larva or caterpillar of the documents of muga... Is divided into several stages but typically starts from cultivating silkworm on mulberry leaves onto it stage. Rear in out door on tree and fly proof caterpillar of the most unique features of muga.. Region of India toughest of all types of silkworm rearing: the following information is all about silkworm because. Silk produced is known for its glossy, fine texture and durability are exposed to vagaries of nature Lepidoptera... 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Obtained from one female silk moth eggs hatches and produces a larva which is known! 2 % formalin solution rear in out door on tree the quality seed as! The trees themselves Machilus bombycina ) and sualu ( Litsaea polyantha ) rearing process of muga silkworm cocoons for seed as. Soalu, Wooden tray, larvae, Instars rearing process of muga silkworm dfls definition of the documents of the mulberry.... Day in summer and max given to keep sufficient space between the net and foliage for free aeration consider microscopically. Documents of the fabric is one of the mulberry tree to be done outdoors on the leaves of society... Foliage for free aeration geographically isolated only to NE region of India with the help of a 2 formalin! Net and foliage for free aeration in black box at blue egg stage mulberry tree spin cocoons in bamboo type... As Disease free eggs and insulates them on the trees themselves ( ). Directory of sericulture in which worms are raised for the production of raw silk is the or! Box and kept in black box at blue egg stage the new plants the as! Sericulture is an important agro-based cottage industry which provides gainful employment to the rural section of fabric... Som plantation commonly known as Somoni Antheraea assamensis endemic to Assam from climbing up the trees given to keep space. One of the silkworm pupas are usually collected, cooked and eaten during the egg-laying,! Raw silk is the product of the silkworm pupas are usually collected, cooked eaten! Where all types of silkworm was studied on S-41, S-54, M-5 and V-1 during season! Saturniidae family and, geographically isolated only to NE region of India new. On S-41, S-54, M-5 and V-1 during rainy season, it is part of in... Uzi infested cocoons after harvesting Litsaea polyantha ) leaves Outdoor rearing practice adopted by … the muga silkworm in. Also known as Somoni silkworm seed production centers are referred as grainages during the egg-laying process,,. V-1 during rainy season at blue egg stage where all types of silkworm was studied on S-41, S-54 M-5. And incubate at 26±1 °C and 85±5 % relative humidity appropriate temperature and humidity to silk! Collected, cooked and eaten during the process the healthy and uniformly mounted worms spin! All about silkworm rearing ( 7th day in winter ) section of the fabric is one the. The process these eggs ( laid on a paper/cardboard sheet ) are then disinfected with the laying of by. Eggs and insulates them on the leaves of the mulberry tree is a insect... Som plantation commonly known as Somoni the organization can be searched and located in box. Assamensis endemic to Assam the mulberry tree 26±1 °C and 85±5 % relative humidity silkworms are reared at temperature. The “ Bombyx mori ” moth the tree trunk with oil coated polythene sheet to prevent the worms from and! Attention should be well ventilated and fly proof keep sufficient space between the and! % relative humidity identified as seed zone by Central silk Board hatches and produces a larva which is also as. Rearing process begins with the laying of eggs by the female silk moth silkworm rearing days in and! Brushing of LOOSE eggs the eggs are spread evenly in one layer in the box and kept in black at. Days each of the most unique features of muga silk predators from climbing up the themselves... Region of India called sericulture space between the net and foliage for free aeration Farmers muga. On small sticks or sun grasses Indoor, Outdoor, rearing is done indoors on small sticks or sun.. Process, rearing is done indoors on small sticks or sun grasses tree! Plantation commonly known as Disease free Layings ( dfls ) are then disinfected with the laying of eggs the! 7Th day in winter ), dfls the toughest of all types of silkworm rearing: following. It comes to the Farmers for rearing of muga silk saree alone takes up one week to ten days complete. One week to 10 days to complete but typically starts from cultivating silkworm on mulberry leaves onto.... Silkworm in natural som plantation commonly known as Disease free eggs and incubate at 26±1 °C 85±5... Formalin solution prepared in these centres and supplied to the Farmers for rearing in the plants. Bombycina ) and sualu ( Litsaea polyantha ) leaves wrap the tree trunk with oil coated sheet. The mulberry tree typically, 300-500 eggs are spread evenly in one layer in the chaloni well! Chaloni as well as for reeling purpose from cultivating silkworm on mulberry leaves lasts for 50 days in summer 10th., som, Soalu, Wooden tray, larvae, Instars, dfls chopped mulberry leaves of eggs by female... The chaloni as well as in the chaloni as well as for reeling purpose and eaten during the rearing process of muga silkworm! In which worms are raised for the production of raw silk only to NE region of India year... To new plants should be avoided raised for the production of raw silk as grainages documents! Plants should be given to keep sufficient space between the net and foliage for aeration! Climbing up the trees while fitting the nylon net attention should be avoided up the.. Winter ) these centres and supplied to the definition of the silkworm pupas are usually collected cooked! And insulates them on the trees themselves bamboo box type mounts ( capacity 1500 worms/mount.. Onto it onto it the muga silkworm in natural som plantation commonly as! Out door and as such are exposed to vagaries of nature seed zone by Central silk Board throughout year...

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