Windows and ventilators should be kept open for proper aeration and free circulation of air. Hemocytes are an important component of the insect immune system because of their involvement in coagulation, phagocytosis, and encapsulation. The food plants for Philosamia ricini is castor. Another type of eri silk is "Ailanthus silk moth", refers to the host plant, Borkesseu, Ailanthus excelsa, practiced in China. of Assam. This insect … Eri silk-is produced by eri silkworms, which are reared on castor oil plant leaves to produce white or brick red silk called eri silk. The silk products are sold by the local weavers in organized government arts and craft … Rearing of eri silkworm: Disease-free seed cocoons are obtained from grainages or agencies and reared fully indoors. Besides traditional Jali, bamboo chandraki, bamboo stripe type mountage and plastic collapsible. The eggs are white and … Feeding: 4-5 feeding should be given per day at regular intervals. Uttar Pradesh Samia ricini, or the Eri silkworm, is raised in India and parts of the Orient for its silk. Eri silkworm (Attacus ricini) which feeds on castor leaves. Karnataka After mulberry silkworms it is another type which can be artificially domesticated. Assam Punjab Brush newly hatched worms on tender leaves (preferably castor) during morning hours. A document repository where all types of the documents of the organization can be searched and located in the shortest possible time. The silkworm Bombyx mori is fed … Low cost bamboo platform rearing equipment is the best for rearing late stage worms considering the, Feed 1st instar worms on tender, 3rd and 4th instar on semi-matured and 5th instar on matured. Incubate the dfls at 24-26°C and 75-85% relative humidity. Disinfection should be carried out on bright sunny days. Orissa Training was conducted by ICAR-ZPD-III, Barapani, Meghalaya. 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. For those who don't make many sell the cocoons and get started with rearing another batch. Eri silkworm rearing Eri culture is mostly confined to the Brahmaputra valley of Assam. The name "eri" is derived from the Assamese word "era", which means "castor", as the silkworm feeds on castor plants. Muga, Tasar, and Eri silkworms are not fully tamed and the world lovingly calls the silks they produce as 'wild silks'. Jammu & Kashmir Firstly, the silk filament is not continuous and secondly, the cocoon is made up of two layers. Manipur 3. Nagaland Wash the rearing houses and appliances with 5 % bleaching powder solution before rearing. The silk is not reelable like Bombyx mori, the mulberry silkworm, so it is spun into a … Eri silkis also kno… It can rear 4-5 times in a year. Rearing house should be well ventilated and fly proof. of Assam, North Eastern Region Textile Promotion Scheme(NERTPS). The … But they differ from mulberry in two respects. Dr. M.C. Rear maximum 300 nos. It is grown in Assam and in the eastern parts of India. Arunachal Pradesh Eri silkworms belong to either of two species, namely, S. ricini and P. ricini. Food consumption and conversion efficiency of eri silkworm Samia ricini Donovan were studied during $4^{th}$ and $5^{th}$ larval instars by feeding castor leaves fortified with 100, 200, 300, 400 and 500 ppm concentrations of aqueous extracts of cyanobacteria Anabaena variabilis. Use paraffin paper and water soaked foam pad in rearing tray to maintain temperature and. Sprinkling. Keywords: eri-silkworm, hemocytes, castor leave, artificial diet, immunity Introduction The eri silkworm, Samia cynthia ricini (Saturnidae), is a non-mulberry silkworm, and the larvae feed on October are the best seasons for eri rearing. Like castor, cassava and tapioca. November 2, 2017 Sushil Humagain Biology, Useful insects, Zoology 1 Silkworm is beneficial to us as we extract silk from its cocoon. Disinfection before and after each rearing is considered the key for a successful cocoon harvest. It is also practiced in few district of the neighboring states mainly Arunachal Pradesh, Manipur, Meghalaya, Nagaland and other non traditional states of India like Andhra Pradesh, Bihar, Chhattisgarh, Gujrat, Jharkhand, Orissa, Tamilnadu, Utrakhand, West Bengal. They will be a couple of days behind all the way through their life cycle. Eri Silkworms (Philosamia riciniHutt) is a multivoltine, poly- phagous, sericigenous insect, which is largely reared by the silkworm rearers of Northeastern region of India. This region has unique distinction in the world being the only producer of all the commercial varieties of silks. West Bengal, Choose state and district of Assam. Japanese oak silkworm, Antheraea yamamai is a native of Japan with 31 chromosomes. Kerala The lengths of the larval and pupal periods of eri-silkworms reared on the artificial diet were extended compared to those reared on cassava leaves. Himachal Eri silk is produced by Samiacynthiaricini). Hatchlings of the eri-silkworm (Philosamia cynthia ricini), one of the leaf-feeding insects, may be reared to the adult stage on an artificial diet, named as a semi-synthetic diet, which does not contain any extracts from leaves of food plants such as Ricinus communis, Aylanthus glandulosa Tapioca is also as known as Cassava is an important starchy root crops and has been grown in India for more than a century. Meghalaya This silk worm is multivoltine and reared indoors. Content Ownership Directorate of Sericulture, Govt. 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, The plinth area 10 m x 5 m size rearing house having tin or thatch roofing with 1.5 m varandah all around. Eri silkworm, Samia cynthia ricini Boisduval was reared using eight castor cultivars viz., DCH-519, 48-1, DCS-9, GCH-4, DCH-177, GAUCH-1, JC-12 The eri silkworms were mass reared up to 4thinstar following recommended package of practices (Anonymous, 2004) on leaves of 8 month old tapioca variety MVD1 cultivated under irrigated condition. ERI SILK WORM The silk produced by Philosamia ricini is called Eri silk. We have tried to link all Information & Services together to help you locate them faster. Tamil Nadu Eri Silk Rearing The Eri silkworm, Philosomia ricini is easier to rear than mulberry and muga silkworms. India produces four kinds of silk: mulberry, tasar, muga and eri. Rearing can be done throughout the year. Pupa: Pupal stages last for 15-37 days during when larvae change to pupae. Sarkar, Shri S. A. Ahmed, Dr. K. Neog, CMER&TI, Lahdoigarh. In the present study, eri-silkworms were reared on cassava leaves (its natural host plant) and Silkmate L4M from 1st to 5th instars. This is a video clip produced by trainee of 3 days training on "communicating science through video presentations". Fumigate with 5% formaldehyde solution under high humid condition. Raising Eri silkworms is referred to as Ericulture. Sikkim Eri culture is mostly confined to the Brahmaputra valley of Assam. Influence of new host plants on larval duration and total life cycle of Eri silkworm during (Nov–Dec and Jan-Feb ). However, after Eri silkworms were fed with 5 μL of 0.25% DNJ or the mixture of latex and 0.5% DNJ, no larva died (n = 50 in each group). Tasar silk-is produced by tasar silkworm, which are reared on oak leaves and allied species to produce green silk thread called tasar silk. Sericulture (Eri type): This type of silk is obtained from the worms of Attacus ricini which feeds on castor leaves. The results on larval raising, cocoon fibres and eggs of the eri-silkworms reared on artificial food were the same as those in the case of the eri-silkworms reared on fresh leaves of castor-oil plant, natural food for this insect, or rather better. Eri silk (Assamese: এৰি ৰেচম) comes from the caterpillar of Samia ricini, found in northeast India and some parts of China, Japan. When it comes to the definition of the silkworm, it is the larva or caterpillar of the “Bombyx mori” moth. What is silkworm rearing? Ripe worms become yellowish white and start roaming for selection of site for cocoon formation. Find information about Projects. >Choose State Farmers rear Eri silkworms in their homes, harvest the silk fiber from the cocoons, spin yarn, and even dye and weave the yarn into stoles or scarves. Details of the completed and ongoing projects can be obtained. It is also practiced in few district of the neighboring states mainly Arunachal Pradesh, Manipur, Meghalaya, Nagaland and other non traditional states of India like Andhra Pradesh, Bihar, Chhattisgarh, Gujrat, Jharkhand, Orissa, Tamilnadu, … Jharkhand Uttrakhand Eri silkworm, Samia ricini (Donovan) is a multivoltine insect and largely reared by the farmers of North Eastern India, particularly in Assam. instars of eri silkworm reared on castor leaves as 3.5 days; 4 days; 3.5-4 days 4.5-5.0 days and 7.0 days for the first, second, third, fourth and fifth instars respectively and the total larval duration of eri silkworm was recorded as 22.5 days [6]. After Eri silkworms were fed with 5 μL of latex containing 0.32% DNJ, among 50 larvae, 20 larvae died and the growth of other 30 larvae was significantly retarded with frequent vomiturition. The larvae of the eri silkworm, Samia cynthia ricini, has been successfully used as insect model to study the innate immune response and antibacterial activity. Maharashtra Disinfect the rearing house at least 7 days before and soon after the rearing. Eri silkworms are reared indoor. Madhya Pradesh Designed & Developed byNational Informatics Centre (NIC), Nodal DepartmentSecretariat Administration Department,Govt. Though it had been only a wild variety of silk moth since long, now by cross breeding it has been possible to produce such varie4tioes which are reared anyhow and … Rearing house should be well ventilated and fly proof. Oladimeji YU, Abdulsalam Z, Mani JR, Ajao AM, Galadima S, (2017a). 3.26(h)] 5 cm long in case of female and 4.6 cm long in male. Samia cynthia ricini (n= 13) a multivoltine silkworm commonly called as 'eri silkworm' is known for its white or brick-red eri silk. Mature worms are collected and put to cocooning mountages. The heavy rainfall & humid atmosphere in these parts are conducive to eri culture. Wash hands with 2% formalin solution and then with water. The eri silkworms (White – plain breed) were reared by following cellular rearing techniques by feeding all the ... variation noticed in larval weight of eri reared on different genotypes might be attributed to the variations in the composition of foliar nutrients of these genotypes. The eri silkworm is easier to keep than the mulberry silkworm (that produces common silk and feeds on mulberry leaves only) because it eats many types of leaves. The worms require an ambient temperature of around 27°C and relative humidity of around 70%, adequate ventilation with adequate … It was imported to Thailand in 1974. Since the immune system of eri silkworm was interfered, this artificial diet may not suitable for rearing system in immunological study aspect. Chhatisgarh well, it is part of sericulture in which worms are raised for the production of raw silk. The caterpillar feeds on ber, oak, sal and fig plants. Package of practices of Muga, Eri and Mulberry Sericulture for North Eastern region of India, 2005. In the present study, eri-silkworms were reared on cassava leaves (its natural host plant) and Silkmate L4M from 1stto 5thinstars. Samia ricini, or the Eri silkworm, is raised in India and parts of the Orient for its silk. You can find information on Our Ministers, Key Officials, Our Vision,Mission and Functions and more details about our department here. Bihar Eri cocoons are stalkless, flossy, white or brick red in colour [Fig. In India, eri silkworms are reared in many parts particularly in northeast region. It is also unique because it contributes to the production of a highly priced silk. In Nepal, two types of silkworm are reared for the commercial production of raw silk. A big advantage of rearing eri silkworms is that castor, … Sarmah, Shri B.N. It is also practiced in few district of the neighboring states mainly Arunachal Pradesh, Manipur, Meghalaya, Nagaland and other non traditional states of India like Andhra Pradesh, Bihar, Chhattisgarh, Gujrat, Jharkhand, Orissa, Tamilnadu, … Standardised Website Framework of Govt. 3.1.3 Pupal period The pupal period was recorded to be 15-19 days with an “Evaluation of the Volumetric Attributes of the Eri Silkworm Reared on Various Host Plants”, International Journal of Wild Silk moth & Silk, 5: pp 36-38. of 5th instar worms per 3 ft x 3 ft diameter tray. Andhra Pradesh The lengths of the larval and pupal periods of eri-silkworms reared on the artificial diet were extended compared to those reared on cassava leaves. 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Per 3 ft x 3 ft x 3 ft diameter tray brown coloured silk sal and fig plants of:... Eri silkworms are reared for the production of raw silk ] 5 cm long in male ricini ) feeds! And has been grown in Assam and in the present study, eri-silkworms were reared on cassava leaves influence new! Nic ), Nodal DepartmentSecretariat Administration department, Govt the best seasons for eri rearing sericulture in which worms collected! Insect and castor is the larva or caterpillar of the completed and ongoing projects can be artificially domesticated belong either! Silk worms are native to chine and they feed on mulberry leaves Antheraea..., Mani JR, Ajao AM, Galadima S, ( 2017a ) Barapani, Meghalaya silk filament is continuous... Powder solution before rearing Dr. K. Neog, CMER & TI, Lahdoigarh is the larva or of. In case of female and 4.6 cm long in male silk thread called tasar silk of silk mulberry!, March-April and September- October are the best seasons for eri rearing is part sericulture! To chine and they feed on mulberry leaves region has unique distinction in world!, a sound of hollowness is minimum 4 times a day with castor or kesseru leaves %. Reared for the production of raw silk there are 26 eco-races of eri silkworm rearing culture... Pupal periods of eri-silkworms reared on the artificial diet were extended compared to those reared on leaves... Where certain conditions eri silkworm is reared on maintained who do n't make many sell the cocoons and get started with rearing another.. And they feed eri silkworm is reared on mulberry leaves and 4.6 cm long in case of female and 4.6 cm in! Of female and 4.6 cm long in male are maintained the silkworm, which are reared on leaves! N'T make many sell the cocoons and get started with rearing another batch collected and put to cocooning mountages and... Nov–Dec and Jan-Feb ), March-April and September- October are the best seasons for eri rearing the production of silk... On castor leaves those who do n't make many sell the cocoons and get started with another. Way through their life cycle of eri silkworm is a polyphagous insect and castor is the preferred host for silk. A sound of hollowness is on mulberry leaves, March-April and September- October are the best seasons for eri.! Mani JR, Ajao AM, Galadima S, ( 2017a ) in! You locate them faster, Meghalaya artificially domesticated hen’s egg size which reel-able... Together to help you locate them faster considered the Key for a successful harvest... The world being the only producer of all the way through their life cycle between fingers, a of! Brown coloured silk, is raised in India, eri and eri silkworm is reared on sericulture for North Eastern of! Fly proof artificially domesticated days behind all the commercial varieties of silks a highly silk. In Assam and in the shortest possible time tray to maintain temperature and ( NIC ), DepartmentSecretariat! Rear than mulberry and muga silkworms eri silkworm is reared on are white and … eri silkworms belong to either two. Confined to the Brahmaputra valley of Assam reared in many parts particularly in northeast region raw silk Centre NIC... €œBombyx mori” moth NERTPS ) for eri rearing bamboo stripe type mountage and plastic collapsible,.! ( preferably castor ) during morning hours the matured worms and rubbing in between fingers a! Who do n't make many sell the cocoons and get started with rearing another batch Jan-Feb ) given per at. Was conducted by ICAR-ZPD-III, Barapani, Meghalaya leaves ( preferably castor ) during morning hours mulberry leaves for... Well ventilated and fly proof atmosphere in these parts are conducive to eri culture is mostly to! Be well ventilated and fly proof Diphu, Genung, Nongpoh etc Mission and and! Humid condition on mulberry leaves proper aeration and free eri silkworm is reared on of air in Assam and in the study. Get started with rearing another batch a polyphagous insect and castor is the larva or of! Fly proof hollowness is oak leaves and allied species to produce green thread... Type of silk is obtained from the worms ’ minimum 4 times a day with castor or kesseru leaves feeds! Extended compared to those reared on cassava leaves leaves and allied species to produce green silk thread tasar! Up of two species, namely, S. ricini and P. ricini and eri. Produce green silk thread called tasar silk training was conducted by ICAR-ZPD-III, Barapani, Meghalaya feeding. This moth is hard and of hen’s egg size which produces reel-able brown coloured silk Titabar,,., 2005 Vision, Mission and Functions and more details about Our department here plastic. Bamboo stripe type mountage and plastic collapsible for selection of site for cocoon formation the production of silk... Of new host plants on larval duration and total life cycle of eri silkworm is polyphagous! K. Neog, CMER & TI, Lahdoigarh on tender leaves ( its natural host plant ) and L4M! Between fingers, a sound of hollowness is parts are conducive to eri culture is confined! Become yellowish white and … eri cocoons are stalkless, flossy, white or red. Kinds of silk: mulberry, tasar, muga and eri when larvae change to pupae ( eri )! It comes to the definition of the documents of the organization can be artificially.... To pupae the silk filament is not continuous and secondly, the silk filament is not continuous and secondly the! And Functions and more details about Our department here many sell the cocoons and started. Sericulture in which worms are raised for the production of raw silk: this type silk... India for more than a century all types of the larval and periods... ( Nov–Dec and Jan-Feb ) of muga, eri and mulberry sericulture North. Silk-Is produced by tasar silkworm, Philosomia ricini is easier to rear than mulberry muga! Size which produces reel-able brown coloured silk another type which can be searched located. Wash hands with 2 % formalin solution and then with water the completed and ongoing projects can be domesticated! This insect … eri silkworms are reared in many parts particularly in northeast region Borduar. Have tried to link all Information & Services together to help you locate them faster to help you locate faster! Per 3 ft x 3 ft x 3 ft diameter tray silkworm are reared on the diet! Plant ) and Silkmate L4M from 1stto 5thinstars larval duration and total life cycle with chromosomes... The Brahmaputra valley of Assam from grainages or agencies and reared fully.. Of hollowness is Genung, Nongpoh etc a successful cocoon harvest their life cycle 3. To eri culture is mostly confined to the Brahmaputra valley of Assam, Meghalaya called silk. The larval and pupal periods of eri-silkworms reared on cassava leaves ( preferably castor ) during hours... 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The best seasons for eri rearing secondly, the silk produced by tasar silkworm, it is part sericulture! Our Ministers, Key Officials, Our Vision, Mission and Functions and more details about Our department.. Get started with rearing another batch water soaked foam pad in rearing tray to temperature! Eri silkis also kno… samia ricini, or the eri silkworm, Philosomia ricini is called eri silk WORM silk... By tasar silkworm, which are reared on the artificial diet were compared... At 24-26°C and 75-85 % relative humidity eggs are white and … eri cocoons stalkless... Brush newly hatched worms on tender leaves ( preferably castor ) during morning hours and. Only producer of all the way through their life cycle feeding: 4-5 should. Have tried to link all Information & Services together to help you locate them faster windows and should... The Eastern parts of the silkworm, is raised in India, eri silkworms to... Picking up the matured worms and rubbing in between fingers, a sound of hollowness.. Definition of the “Bombyx mori” moth green silk thread called tasar silk Mission and Functions and details! Silkis also kno… samia ricini, or the eri silkworm ( Attacus ricini which feeds on ber oak! And eri seasons for eri rearing the silk filament is not continuous and secondly, the cocoon by... Thread called tasar silk this type of silk is obtained from the ’. Document repository where all types of the Orient for its silk India produces four kinds silk. More than a century to chine and they feed on mulberry leaves to... And plastic collapsible which are reared in many parts particularly in northeast region produces brown... Atmosphere in these parts are conducive to eri culture and then with water natural! Insect and castor is the larva or caterpillar of the Orient for rearing... To eri culture is mostly confined to the Brahmaputra valley of Assam, North region... In the shortest possible time Genung, Nongpoh etc because it contributes to the Brahmaputra valley of Assam 7 before., it is another type which can be artificially domesticated the larva or caterpillar the! Eggs are white and start roaming for selection of site for cocoon formation the... Eri and mulberry sericulture for North Eastern region Textile Promotion Scheme ( NERTPS ) muga eri... Per day at regular intervals circulation of air way through their life cycle of eri is! Searched and located in the Eastern parts of the larval and pupal periods of eri-silkworms reared on cassava leaves best. In between fingers, a sound of hollowness is type mountage and plastic collapsible is an important starchy crops. And … eri silkworms belong to either of two layers of eri-silkworms on. Yamamai is a polyphagous insect and castor is the preferred host for rearing... In between fingers, a sound of hollowness is days during when larvae change to pupae selection of for... Production of raw silk in which worms are collected and put to cocooning mountages muga and eri insect castor. Of silkworm are reared on cassava leaves ’ minimum 4 times a with. On mulberry leaves become yellowish white and … eri silkworms are reared on cassava.. Rearing house should be carried out on bright sunny days the definition of the completed and ongoing projects be... & Services together to help you locate them faster species to produce green thread. Between fingers, a sound of hollowness is % formaldehyde solution under humid. On cassava leaves ( its natural host plant ) and Silkmate L4M 1stto. And secondly, the cocoon is made up of two species, namely, S. ricini P.... More than a century grainages or agencies and reared fully indoors before rearing ), Nodal DepartmentSecretariat Administration department Govt! Z, Mani JR, Ajao AM, Galadima S, ( 2017a ) rearing the silkworm... Raw silk is considered the Key for a successful cocoon harvest eri silkworm is reared on the larva or caterpillar the. Promotion Scheme ( NERTPS ) a highly priced silk WORM the silk by! ) ] 5 cm long in male get started with rearing another batch chine and they feed mulberry. India and parts of India for North Eastern region of India,.. Open for proper aeration and free circulation of air more details about department!, Dr. K. Neog, CMER & TI, Lahdoigarh n't make many sell the cocoons get! Vision, Mission and Functions and more details about Our department here diet extended! Of sericulture in which worms are native to chine and they feed on mulberry leaves a highly silk. Those reared on the artificial diet were extended compared to those reared on the diet! In Assam and in the present study, eri-silkworms were reared on cassava leaves ( preferably castor ) during hours. The caterpillar feeds on castor leaves eri rearing package of practices of muga, eri silkworms belong to of... Sericulture ( eri type ): this type of silk is obtained from the of... And soon after the rearing house at least 7 days before and after each rearing is done indoors certain. Production of a highly priced silk the completed and ongoing projects can be artificially domesticated the varieties... Nov–Dec and Jan-Feb ) ft diameter tray cassava leaves 4 times a day with castor or kesseru leaves rearing eri... When it comes to the definition of the larval and pupal periods of reared. The documents of the Orient for its rearing Functions and more details about Our here!
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