Muga silkworm (Antheraea assamensis helfer) indoor rearing by integrated “leaf freshness technology”- A new technology

Barman, H. K.

doi:10.5897/ajar11.738

Cited by 2 publications

(4 citation statements)

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“…Sengupta et al [6], also reported that during summer more than 50% loss was due to abiotic factors and 80% of the total loss of muga silkworm occurred in second / third instar only. This loss can be minimized by rearing the muga worms even up to 3 rd instar if climatic conditions remain unfavourable during the larval period.…”

Section: Effective Rate Of Rearingmentioning

confidence: 95%

“…Barman and Rajan [6], reported use of Nutrient Supplemented Phago-stimulant resulting to increased leaf nutrient quality, arrested larval movement and increased feeding rate which reflected in the higher biomass growth in comparison to treatment without it use. Spraying of 0.5% streptomycin sulphate solution in the indoor reared Muga silkworm, minimized the bacterial infection thereby contributing to larval survivability.…”

Section: Research Articlementioning

confidence: 99%

“…They reported larval weight, larval duration and larval survival differed in Som and Soalu leaves from their indoor and outdoor counterparts. Indoor rearing on detached twigs in wooden tray did not vary significantly from outdoor rearing on trees.Barman and Rajan [6], reported use of Nutrient Supplemented Phago-stimulant resulting to increased leaf nutrient quality, arrested larval movement and increased feeding rate which reflected in the higher biomass growth in comparison to treatment without it use. Spraying of 0.5% streptomycin sulphate solution in the indoor reared Muga silkworm, minimized the bacterial infection thereby contributing to larval survivability.…”

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confidence: 99%

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Comparative Study on the Rearing Performance of Muga Silkworm

Neog¹,

Dutta²,

Changmai³

et al. 2015

Int J Agric Sc Food Technol

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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. Attempts were made to rear the silkworm under indoor conditions during different seasons. In first attempt, the worms were reared from brushing till spinning and in second, worms were first reared under indoor conditions up to 2 nd in star and then transferred to outdoor condition. Rearing performance, larval and cocoon parameters were compared with complete indoor and outdoor conditions. Throughout all the seasons, survival per cent of worms, effective rate of rearing, mature larval weight, cocoon weight, pupal weight and shell weight was significantly higher when the worms were reared for first two instars under indoor conditions compared to either complete indoor or outdoor rearing. The study suggests that, it is beneficial to rear muga silkworms inside up to second instar and then rear outside for reducing mortality of worms during chawki instars and for production of higher and good quality cocoons. IntroductionMuga silkworm Antheraea assamensis Helfer belongs to Lepidoptera of Saturniidae family and, geographically isolated only to NE region of India. Geographical isolation of this silkworm is indicative of its special requirements for geo-climatic conditions that prevail in this region i.e. high humid temperate climate and forest vegetation of primary and secondary host plants. Thus this species is phylogenetically less adaptive reaching its ecological isolation that is indicative of being on verse of extinction. Although Muga silkworm since time immemorable has been reared for Muga silk still it is purely an outdoor culture in host plant under natural conditions. Only cultural specificity is being managed and took care by Muga rearers. Being exposed to natural environment Muga culture practice encounter lots of problems right from brushing of worms to spinning of cocoons. Outdoor silkworm larvae are invariably expose to nature's vagaries such as seasonal climate change, rainfall, strong wind, soaring temperature, besides pests, predators and pathogens inflecting heavy loss particularly in early three instars. Prophylactic measures adopted for pest and disease in outdoor rearing became fruitless due to cross infestation by both pests and pathogens are common in open conditions. In an average in all seasons more than 50% larval loss has been reported by many scientists. Sengupta et al.[1], reported that during summer more than 50% loss was due to abiotic factors and 80% of the total loss of muga silkworm occurred in second/third instar only. Several workers experimentally practiced indoor rearing of muga silkworm applying different types of rearing devices and, some of them reported effective over outdoor rearing. Singh & Barah [2], conducted partial indoor rearing up to third stages with Som and Soalu twigs in bottle, iron tray and wooden and, reported larval mortality could be reduced marginally as compared Re...

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Section: Effective Rate Of Rearingmentioning

confidence: 95%

Section: Research Articlementioning

confidence: 99%

mentioning

confidence: 99%

See 1 more Smart Citation

Comparative Study on the Rearing Performance of Muga Silkworm

Neog¹,

Dutta²,

Changmai³

et al. 2015

Int J Agric Sc Food Technol

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show abstract

“…According to Barman and Rajan (2012) [4] , the limited prevalence of the muga silkworm in North East India indicates its isolation due to the unique climatic and botanical requirements of the region. This isolation makes the species less adaptable phylogenetically and more ecologically segregated, potentially driving it to extinction.…”

Section: Impact On Muga Silkwormmentioning

confidence: 99%

Cultural resilience in the face of industrialization: Assessing the sustainability of Assam's muga culture amidst oilfield expansion

Nath,

Dutta,

Narzary

2024

Int. J. Adv. Biochem. Res.

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The exploration and exploitation of oilfields in Assam, India, has caused significant socioeconomic changes in the region. However, the expansion of oilfields has jeopardized the indigenous Muga culture, particularly its traditional sericulture practices and socio-cultural structure. This review article investigates the multifaceted effects of oilfields on Muga culture, including environmental degradation, socioeconomic displacement, and cultural transformation. Based on scholarly research and empirical evidence, this review emphasizes the critical need for sustainable development strategies that balance the interests of the oil industry with the preservation of Muga culture and its associated heritage.

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Muga silkworm (Antheraea assamensis helfer) indoor rearing by integrated “leaf freshness technology”- A new technology

Cited by 2 publications

References 1 publication

Comparative Study on the Rearing Performance of Muga Silkworm

Comparative Study on the Rearing Performance of Muga Silkworm

Cultural resilience in the face of industrialization: Assessing the sustainability of Assam's muga culture amidst oilfield expansion

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Muga silkworm (Antheraea assamensis helfer) indoor rearing by integrated “leaf freshness technology”- A new technology

Cited by 2 publications

References 1 publication

Comparative Study on the Rearing Performance of Muga Silkworm

Comparative Study on the Rearing Performance of Muga Silkworm

Cultural resilience in the face of industrialization: Assessing the sustainability of Assam&#39;s muga culture amidst oilfield expansion

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Cultural resilience in the face of industrialization: Assessing the sustainability of Assam's muga culture amidst oilfield expansion