Saturniidae is one of the commercially exploited nonmulberry silkworms mainly reared outdoor on many. Pdf inoodr rearing of tasar silkworm antheraea mylitta. In india the silk produced commercially through the cultivation of all four silk varieties viz. Rearing tasar worms is a precarious and fragile practice that the santhal tribals and other villagers engage in, both because this has been their traditional occupation and because a good harvest provides them a muchneeded economic support tasar silkworm rearing in rajdah introduction a fter spending about six months. In order to stabilize tasar silk production and increase income from tasar culture, tasar silkworm rearing methods need considerable improvement, as outdoor rearing of wild silkworm exposes the larvae to the vagaries of climatic conditions. Sinha5 1,2,3,4regional tasar research station, central silk board, ministry of textiles govt. Help pages, faqs, uniprotkb manual, documents, news archive and biocuration projects.
Online assignment topic seri culture linkedin slideshare. Late age rearing 52 silkworm rearing technology 56. Effect of foliar application of essential nutrients on the rearing performance of oak tasar silkworm during summer crop ritwika sur chaudhuri1, s. The majority of crop loss in tasar silkworm rearing is resulting due to viral disease. Evaluation of novel tasar silkworm feed for antheraea. Leaf saving is about 25% in iv age and 10% in v age. The study revealed that the tasar silkworm larva grown under jar method. Comparative study on the rearing performance of muga. A study on the effective implementation of sericulture and. Biological studies on the wild silkworm, epiphora bauhiniae. Its cocoon has loose texture and silk is not reliable, hence, this is carded and spun. Rearing and grainage performance of indian tropical tasar. An experimental rearing of tropical tasar silkworm, antheraea mylitta drury was conducted to study silkwormfood plantinteraction and thereby to search for an alternate silkworm food plant. Mulberry cultivation and silkworm rearing a full guide.
Pooled egg, larval and pupal period of tasar silkworm upon indoor rearing on cashew recorded. Performance of tasar silkworm under different chawki rearing 550 of this, nearly about 85 per cent is received during south west monsoon 2nd week of june 1st week of october, 7. Pdf rearing performance of tasar silkworm antheraea mylitta. Sericulture is an important labourintensive and agrobased cottage industry. The life cycle of mulberry silkworm completes in 4555 days, consists of stages egg, larva, pupa and moth. Comparative study on performance of tasar silkworm, antheraea. House any building or thatch which is well ventilated may be used for rearing the worms, but mudwalled thatched houses are the best as they are cool in summer and warm in winter season. Although tasar and munga silkworms are wild in nature, but attempts have been made and are in progress to domesticate them too. In present study, comparative evaluation was done among semisynthetic diet fed. One tree can be utilized for two rearing in a year alternately during spring and autumn, thus one full grown tree can yield cocoons in a year and 5 trees are required to produce 5000 cocoons which yield one kg. The larval development and and chhattisgarh states of india, which is considered to their feeding status have impact on genital development, be the best secondary food plant for tasar silkworm,a. Comparative study on performance of tasar silkworm. Management of virosis through botanical formulation. Terminalia tomentosa, terminalia arjuna, terminalia belerica, terminalia chebula of combretaceae family and.
Chawki rearing is one of the vital activities in silkworm rearing, which enables the farmers to reap good harvest of quality cocoons. Rearing of tropical tasar silkworm antheraea mylitta d. Influence of cross breeding of wild and semidomestic. Heterobeltiosis in indian tropical tasar silkworm, antheraea. Influence of cross breeding of wild and semi domestic populations of tropical tasar silkworm antheraea mylitta d on grainage and silkworm rearing traits g.
Rearing performance of tropical tasar silkworm antheraea mylitta. During 4th and 5th instars once in a day in case of shelf rearing. Cocoon, pupa, rearing, shell, soya supplement, tasar. The following are the various technical aspects of silkworm rearing. No content page no 1 introduction 3 2 sericulture 4 3 types of silkworm 5 4 silk 8 5 rearing of silkworm 9 6 mounting 12 5 conclusion 14 6 reference 15. Applied zoology sericulture tumul singh department of zoology, udai pratap autonomous college, varanasi221002 contents. Rearing performance of tropical tasar silkworm antheraea mylitta drury on. Tasar silkworm antheraea myletta is the taser silkworm.
For example, a small scale farmer with a 14 acre of mulberry orchard needs a rearing house of at least 7m x 5 m 25 ft x 15 ft. Among the different pathogens infecting tropical tasar silkworm, pebrine is a dreaded disease caused by protozoa, nosema mylitta which causes. Tasar silkworm rearing karbi anglong and dima hasao are the two districts ideal place for oak tasar culture in the state. Pdf biology of tasar silkworm, antheraea mylitta drury. Impact of bacillus subtilis on midgut and silkgland of. The size of the rearing house is determined by size of mulberry orchard and amount of silkworm to be reared. In a second step, sericulture practices were taken to farmers in the field on a pilot basis in maharashtra, gujarat, and u. Module for disinfection and hygiene in rearing eld 2. Sodium hypochlorite as foliar application to check virosis and bacteriosis. By using our innovative product, young age rearing of tasar silkworm can be conducted at farmers living premises by farmers. The silkwormfoodplantinteraction was studied with six different food plant species viz. Neog k, dutta p, changmai a, goswami d, choudhury b 2015 comparative study on the rearing performance of muga silkworm under indoor and outdoor rearing conditions. Relative growth rate of the silkworm was lowest on q. Development of slide agglu tination method for detection of.
Integrated technology package for rearing of tasar silkworm. Pdf rearing performance of tropical tasar silkworm antheraea. Development of slide agglu tination method for detection. Evaluation of novel tasar silkworm feed for antheraea mylitta. Chawki rearing is one of the vital activities in tasar silkworm rearing, which enables the farmers to reap good harvest of quality cocoons. Trapping of adult yellow fly males and females manually with the help of gummy sticks during the rearing period. Pdf inoodr rearing of tasar silkworm antheraea mylitta on. It is, therefore, necessary to evolve measures for economic cooling through a selection of proper material for wall and roof fabrication, the orientation of the building, using. Saturniidae is one of the commercially exploited nonmulberry silkworms mainly reared outdoor.
Baif adopted a multipronged strategic approach by introducing a. Tasar muga eri wild semi domesticated domesticated tropicalsilkworm a. Sep 12, 2014 these facts show that the silkworm rearing is a highly skilled job which needs some technical knowledge. It is an economically important insect, being a primary producer of silk. However, scanty information about the biology of e. The solution to this major bottleneck of the silkworm rearing lies in evolving a suitable semisynthetic diet of tasar silkworm. These account for losses of 5055%, mainly during the early instars. Pdf indoor reaing of tasar silkworm antherea mylitta is great challenge befor sericulturist.
Biology of tasar silkworm, antheraea mylitta drury under indoor conditions article pdf available in bioscience trends 101. Tasar silkworm, antheraeamylitta drury lepidoptera. Rearing performance of tasar silkworm antheraea mylitta d on arjun terminalia arjuna w. Applied zoology gelecegi onemseyenler dernegi gonder. Pdf on jan 1, 2014, ad jadhav and others published rearing performance of tasar silkworm antheraea mylitta drury lepidoptera. Arrangement of mulberry twigs in shootbranch method a. Rearing performance of tasar silkworm antheraea mylitta d. People are being motivated to utilize the vast field of nature grown oak plants by rearing of antheraea proylei which cross breed variety between a. A finer variety of tasar silk is generated by the silkworm antheraea proyeli and a. Assam is the only place in the world where all commercially exploited varieties of silk viz. These moths feed on leaves of oak, are found in abundance in subhimalayan belt.
The silkworm rearing house should be located on an elevated place to avoid moisture migration from floor to rearing house, provide good cross ventilation, facilitate drainage of the water at the time of cleaning and disinfection. A technique of controlled rearing has been evolved by the central tasar research station, ranchi. For disinfectants, vijetha green, vijetha, and ankush are some silkworm disinfectants used in the silkworm farming or rearing. Mulberry silkworm rearing, being completely domesticated, demands specified environmental conditions like optimum temperature 2428oc and relative humidity 7085%. The following points highlight the seven main steps involved in rearing process of silkworm. Studies on the biodiversity and ecological aspects of. Outdoor rearing exposes tropical tasar silkworms to unfavourable weather conditions and attack by pests and predators. Silkworm rearing demands certain specific environmental conditions particularly of temperature and humidity. Rearing of muga silkworm muga silkworm rear in out door on tree. Pdf vanya tasar silkworm, antheraea mylitta ecorace bhandara. Mulberry pat, eri, muga and oak tasar silk are produced.
The eri silkworm which lives upon castor, is a domesticated form, cultivated in warm damp places. As the rearing is conducted completely outdoors in the forest. Tasar silkworm, antheraea mylitta drury lepidoptera. Labour requirements are reduced to 60% in iv age and 50% in v age. Chawki rearing of tasar silkworm under nylon net 4. Its life history resembles that of the mulberry worm. Success has been achieved in this regard to some extent. The solution to this major bottleneck of the silkworm rearing lies in evolving a suitable tasar silkworm feed semisynthetic diet for young age tasar silkworm. Mar 11, 2015 mulberry silkworm rearing, being completely domesticated, demands specified environmental conditions like optimum temperature 2428oc and relative humidity 7085%. The rearing of tasar silkworm, antheraea mylitta ecorace bhandara for several generation were carried out in rearing field at gadchiroli and chandrapur district of maharashtra during 2. The nature grown cocoons of wild ecoraces raily in tasar silkworm,a. India has the unique distinction of being the only country producing all the five kinds of silk mulberry, eri, muga, tropical tasar and temperate tasar.
Egg stage is lasting for 910 days, larval stage which is 24. A living from livestock research report home food and. The tasar story part 1 tasar is a natural silk and its silkworms are. India continues to be the second largest producer of silk in the world. Production of mulberry and nonmulberry silk in the worldcomparative production. One of the largest facility of rearing of eri silkworm in assam this is one of the largest eri rearing facility in assam. For disinfection, take the powder in a clean and thin cloth and then, dust it over the silkproducing worms at 5 gm per sq. Evaluation of three northeastern quercus species for oak. Lactic acid and pyruvic acid content in diapausing pupae.
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