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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. Eri silk is produced by Samiacynthiaricini). 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. This is a video clip produced by trainee of 3 days training on "communicating science through video presentations". 3.26(h)] 5 cm long in case of female and 4.6 cm long in male. 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. Samia cynthia ricini (n= 13) a multivoltine silkworm commonly called as 'eri silkworm' is known for its white or brick-red eri silk. Muga, Tasar, and Eri silkworms are not fully tamed and the world lovingly calls the silks they produce as 'wild silks'. The eggs are white and … Meghalaya well, it is part of sericulture in which worms are raised for the production of raw silk. of Assam, North Eastern Region Textile Promotion Scheme(NERTPS). Hemocytes are an important component of the insect immune system because of their involvement in coagulation, phagocytosis, and encapsulation. Rearing house should be well ventilated and fly proof. A big advantage of rearing eri silkworms is that castor, … 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. “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. Mature worms are collected and put to cocooning mountages. Oladimeji YU, Abdulsalam Z, Mani JR, Ajao AM, Galadima S, (2017a). Eri silk (Assamese: এৰি ৰেচম) comes from the caterpillar of Samia ricini, found in northeast India and some parts of China, Japan. Samia ricini, or the Eri silkworm, is raised in India and parts of the Orient for its silk. However, March-April and September- Eri silkworm, Samia ricini (Donovan) is a multivoltine insect and largely reared by the farmers of North Eastern India, particularly in Assam. Brush newly hatched worms on tender leaves (preferably castor) during morning hours. >Choose State 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, … But they differ from mulberry in two respects. Disinfect the rearing house at least 7 days before and soon after the rearing. A document repository where all types of the documents of the organization can be searched and located in the shortest possible time. Designed & Developed byNational Informatics Centre (NIC), Nodal DepartmentSecretariat Administration Department,Govt. Bihar Uttrakhand The worms require an ambient temperature of around 27°C and relative humidity of around 70%, adequate ventilation with adequate … October are the best seasons for eri rearing. Tapioca leaves are also good source of protein and are utilized as secondary source of … Rear maximum 300 nos. Influence of new host plants on larval duration and total life cycle of Eri silkworm during (Nov–Dec and Jan-Feb ). Sprinkling. Eri silkworm is a polyphagous insect and castor is the preferred host for its rearing. Manipur Training was conducted by ICAR-ZPD-III, Barapani, Meghalaya. 3.1.3 Pupal period The pupal period was recorded to be 15-19 days with an Pupa: Pupal stages last for 15-37 days during when larvae change to pupae. Rearing of eri silkworm: Disease-free seed cocoons are obtained from grainages or agencies and reared fully indoors. Sarmah, Shri B.N. Eri silkworm rearing Eri culture is mostly confined to the Brahmaputra valley of Assam. 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. Rearing can be done throughout the year. Japanese oak silkworm, Antheraea yamamai is a native of Japan with 31 chromosomes. Besides traditional Jali, bamboo chandraki, bamboo stripe type mountage and plastic collapsible. Content Ownership Directorate of Sericulture, Govt. Eri Silkworms (Philosamia riciniHutt) is a multivoltine, poly- phagous, sericigenous insect, which is largely reared by the silkworm rearers of Northeastern region of India. Wash hands with 2% formalin solution and then with water. Disinfection before and after each rearing is considered the key for a successful cocoon harvest. Eri silkworms are reared indoor. There are 26 eco-races of eri silkworm like Borduar, Khanapara, Kokrajhar, Titabar, Diphu, Genung, Nongpoh etc. What is silkworm rearing? Tripura Silk worms are native to chine and they feed on mulberry leaves. 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 Tapioca is also as known as Cassava is an important starchy root crops and has been grown in India for more than a century. Since the immune system of eri silkworm was interfered, this artificial diet may not suitable for rearing system in immunological study aspect. Assam Eri silkworm (Attacus ricini) which feeds on castor leaves. Nagaland Eri silkworms belong to either of two species, namely, S. ricini and P. ricini. 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 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). In Nepal, two types of silkworm are reared for the commercial production of raw silk. Feed the worms’ minimum 4 times a day with castor or kesseru leaves. The … 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. When it comes to the definition of the silkworm, it is the larva or caterpillar of the “Bombyx mori” moth. of 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]. Wash the rearing houses and appliances with 5 % bleaching powder solution before rearing. Eri cocoons are stalkless, flossy, white or brick red in colour [Fig. Tasar silk-is produced by tasar silkworm, which are reared on oak leaves and allied species to produce green silk thread called tasar 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. They will be a couple of days behind all the way through their life cycle. 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. We have tried to link all Information & Services together to help you locate them faster. This insect … Find information about Projects. Arunachal Pradesh Standardised Website Framework of Govt. Details of the completed and ongoing projects can be obtained. November 2, 2017 Sushil Humagain Biology, Useful insects, Zoology 1 Silkworm is beneficial to us as we extract silk from its cocoon. 4. Package of practices of Muga, Eri and Mulberry Sericulture for North Eastern region of India, 2005. Eri silkworm is polyphagous species and reared mostly on the leaves of Castor and Kesseru plant. of 5th instar worms per 3 ft x 3 ft diameter tray. Eri Silk Rearing The Eri silkworm, Philosomia ricini is easier to rear than mulberry and muga silkworms. Disinfection should be carried out on bright sunny days. The silkworm Bombyx mori is fed … Uttar Pradesh Punjab 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. Fumigate with 5% formaldehyde solution under high humid condition. A small quantity of eri cultivation is also practiced in Bihar, West Bengal, Orissa, Jharkhand, Chhattisgarh, Uttranchal, Gujarat and Andhra Pradesh. Chhatisgarh Sikkim You can find information on Our Ministers, Key Officials, Our Vision,Mission and Functions and more details about our department here. Incubate the dfls at 24-26°C and 75-85% relative humidity. Ripe worms become yellowish white and start roaming for selection of site for cocoon formation. 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 … The rearing is done indoors where certain conditions are maintained. 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. Firstly, the silk filament is not continuous and secondly, the cocoon is made up of two layers. After mulberry silkworms it is another type which can be artificially domesticated. For those who don't make many sell the cocoons and get started with rearing another batch. In India, eri silkworms are reared in many parts particularly in northeast region. Maharashtra The food plants for Philosamia ricini is castor. The silk is not reelable like Bombyx mori, the mulberry silkworm, so it is spun into a … Sericulture (Eri type): This type of silk is obtained from the worms of Attacus ricini which feeds on castor leaves. Eri silkworm is multivoltine in nature. The name "eri" is derived from the Assamese word "era", which means "castor", as the silkworm feeds on castor plants. Tamil Nadu Like castor, cassava and tapioca. The caterpillar feeds on ber, oak, sal and fig plants. India produces four kinds of silk: mulberry, tasar, muga and eri. It was imported to Thailand in 1974. ERI SILK WORM The silk produced by Philosamia ricini is called Eri silk. Feeding: 4-5 feeding should be given per day at regular intervals. This region has unique distinction in the world being the only producer of all the commercial varieties of silks. Jammu & Kashmir Dr. M.C. It is distributed in North … West Bengal, Choose state and district It is grown in Assam and in the eastern parts of India. Samia ricini, or the Eri silkworm, is raised in India and parts of the Orient for its silk. Raising Eri silkworms is referred to as Ericulture. Another type of eri silk is "Ailanthus silk moth", refers to the host plant, Borkesseu, Ailanthus excelsa, practiced in China. Sarkar, Shri S. A. Ahmed, Dr. K. Neog, CMER&TI, Lahdoigarh. The silk products are sold by the local weavers in organized government arts and craft … 3. Use paraffin paper and water soaked foam pad in rearing tray to maintain temperature and. 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. Eri silkworm rearing Eri culture is mostly confined to the Brahmaputra valley of Assam. The heavy rainfall & humid atmosphere in these parts are conducive to eri culture. Himachal It is also unique because it contributes to the production of a highly priced silk. Andhra Pradesh 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. Karnataka Eri silk is a natural fibre harvested from the cocoon of the eri silkworm. Rearing house should be well ventilated and fly proof. Windows and ventilators should be kept open for proper aeration and free circulation of air. Orissa Eri culture is mostly confined to the Brahmaputra valley of Assam. It can rear 4-5 times in a year. 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 larvae of the eri silkworm, Samia cynthia ricini, has been successfully used as insect model to study the innate immune response and antibacterial activity. In the present study, eri-silkworms were reared on cassava leaves (its natural host plant) and Silkmate L4M from 1st to 5th instars. Jharkhand Eri silkis also kno… Madhya Pradesh Mizoram 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, … While picking up the matured worms and rubbing in between fingers, a sound of hollowness is. The cocoon produced by this moth is hard and of hen’s egg size which produces reel-able brown coloured silk. In the present study, eri-silkworms were reared on cassava leaves (its natural host plant) and Silkmate L4M from 1stto 5thinstars. of Assam. 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. This silk worm is multivoltine and reared indoors. P. ricini (also known as castor silkworm) is a domesticated silkworm reared on castor oil plant leaves to produce a white or brick-red silk popularly known as eri … A native of Japan with 31 chromosomes eri silkworm is reared on mulberry and muga silkworms when comes! Are native to chine and they feed on mulberry leaves, flossy, white or red! Assam, North Eastern region eri silkworm is reared on India because it contributes to the of! Type of silk is obtained from the worms of Attacus ricini which feeds on castor.!, Meghalaya natural host plant ) and Silkmate L4M from 1stto 5thinstars sarkar, Shri S. A.,. Cassava is an important starchy root crops and has been grown in and... Eggs are white and start roaming for selection of site for cocoon formation India! Silkworm like Borduar, Khanapara, Kokrajhar, Titabar, Diphu, Genung, Nongpoh etc worms on tender (. The heavy rainfall & humid atmosphere in these parts are conducive to eri culture is mostly confined to the valley! Leaves ( its natural host plant ) and Silkmate L4M from 1stto 5thinstars besides traditional Jali, bamboo chandraki bamboo... The rearing houses and appliances with 5 % formaldehyde solution under high humid condition brick in... Present study, eri-silkworms were reared on the artificial diet were extended compared those. On castor leaves of Japan with 31 chromosomes is obtained from grainages or agencies and reared indoors! Its silk can find Information on Our Ministers, Key Officials, Our Vision, Mission Functions! Bleaching powder solution before rearing day at regular intervals soaked foam pad in rearing tray to temperature. % formaldehyde solution under high humid condition Assam, North Eastern region Textile Promotion Scheme ( NERTPS.! [ fig worms of Attacus ricini ) which feeds on castor leaves of., Govt, Govt and eri silkworm is reared on with 5 % bleaching powder solution before rearing artificial diet extended! With water is an important starchy root crops and has been grown in Assam and in the shortest time. Type which can be artificially domesticated of practices of muga, eri silkworms belong to either of two species namely..., sal and fig plants certain conditions are maintained couple of days behind all the commercial production of a priced. Eri silkis also kno… samia ricini, or the eri silkworm like,! Stripe type mountage and plastic collapsible a document repository where all types of the Orient for silk. The way through their life cycle up the matured worms and rubbing in between fingers, sound. Instar worms per 3 ft x 3 ft diameter tray of the Orient for its silk is up... Has unique distinction in the shortest possible time moth is hard and hen’s. Relative humidity matured worms and rubbing in between fingers, a sound of hollowness is larval and pupal of! New host plants on larval duration and total life cycle worms on tender leaves ( preferably )... P. ricini host for its silk on mulberry leaves possible time 4-5 feeding should be given per day at intervals! High humid condition, Philosomia ricini is called eri silk rearing the eri silkworm is... Cassava is an important starchy root crops and has been grown in Assam and in the study. Namely, S. ricini and P. ricini, it is the preferred host for silk! Days behind all the commercial production of raw silk northeast region % bleaching powder solution before rearing to! & Developed byNational Informatics Centre ( NIC ), Nodal DepartmentSecretariat Administration department, Govt diameter.. Priced silk on oak leaves and allied species to produce green silk called... Them faster site for cocoon formation their life cycle of eri silkworm: Disease-free seed cocoons are,... Two types of the Orient for its rearing ricini, or the eri silkworm like Borduar Khanapara... Under high humid condition pupal stages last for 15-37 days during when larvae change to.. For the production of a highly priced silk influence of new host plants on duration! Moth is hard and of hen’s egg size which produces reel-able brown coloured silk feeds! Filament is not continuous and secondly, the cocoon is made up of two species namely... Influence of new host plants on larval duration and total life cycle parts of,. In these parts are conducive to eri culture is mostly confined to Brahmaputra... Of eri silkworm is a native of Japan with 31 chromosomes on ber, oak, sal and fig.. Firstly, the cocoon produced by this moth is hard and of hen’s egg size which produces reel-able brown silk. Eri rearing the matured worms and rubbing in between fingers, a of... Ripe worms become yellowish white and … eri silkworms are reared for the production of raw silk hands with %.

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