Journal of Environment and Sociobiology

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Effect of Feeding Duration on Fifth Instar Silkworm Larvae on the Commercial Characteristics of Bombyx mori L.


Affiliations
1 Department of Sericulture, Krishnath College, Berhampore, Murshidabad, West Bengal 742101, India
     

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The effect of feeding duration on fifth instar silkworm larvae on the commercial characteristics of Bombyx mori L. was investigated in the present experiment. The present study clearly indicates that larval duration in 5th instar directly correlates with the commercial characters of cocoons. Maximum larval duration as well as maximum leaf feeding ensures maximum harvest. Silkworm larvae fed with mulberry leaves upto 3rd day in 5th instar resulted no cocoons in the mountages. Even after complete maturation of silkworm larvae, it is desirable to feed silkworm larvae even for an extra day; otherwise cocoon quality would be seriously affected.

Keywords

Bombyx mori, Feeding Duration, Fifth Instar, Silkworm Larvae.
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  • Effect of Feeding Duration on Fifth Instar Silkworm Larvae on the Commercial Characteristics of Bombyx mori L.

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Authors

Kunal Sarkar
Department of Sericulture, Krishnath College, Berhampore, Murshidabad, West Bengal 742101, India
Susanta Kumar Chattopadhyay
Department of Sericulture, Krishnath College, Berhampore, Murshidabad, West Bengal 742101, India
Gopinath Baur
Department of Sericulture, Krishnath College, Berhampore, Murshidabad, West Bengal 742101, India

Abstract


The effect of feeding duration on fifth instar silkworm larvae on the commercial characteristics of Bombyx mori L. was investigated in the present experiment. The present study clearly indicates that larval duration in 5th instar directly correlates with the commercial characters of cocoons. Maximum larval duration as well as maximum leaf feeding ensures maximum harvest. Silkworm larvae fed with mulberry leaves upto 3rd day in 5th instar resulted no cocoons in the mountages. Even after complete maturation of silkworm larvae, it is desirable to feed silkworm larvae even for an extra day; otherwise cocoon quality would be seriously affected.

Keywords


Bombyx mori, Feeding Duration, Fifth Instar, Silkworm Larvae.