Studies on induction of the tolerance against nuclear polyhedrosis in silkworm Bombyx mori L and its biochemical aspects

Mahesha, H. B. and Rahamathulla, G. and Thejaswini, P. H. (2013) Studies on induction of the tolerance against nuclear polyhedrosis in silkworm Bombyx mori L and its biochemical aspects. International Journal of Biology, Pharmacy and Allied Science, 2 (7). pp. 1501-1512. ISSN 2277–4998

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Abstract

To induce tolerance in silkworm against nuclear polyhedrosis virus, two sets of experiments were carried out. For both the experiments four mulberry silkworm breeds namely NB4D2, CSR2, Pure Mysore, C. nichi and a commercial hybrid (PM X CSR2) were used. In the first set of experiments silkworms were fed with known amount of formalin killed Bombyx mori nuclear polyhedral inclusion bodies (PIBs) thrice at various time intervals for multiple immunization. In the second set of experiments such treatment was given only once. At the age of 5th instar second day the silkworms of all the batches were challenged with known amount of live PIBs. Among immunization methods, multiple immunization method was more effective as all the races indicated by high survival rate. Also, variation in quantitative biochemical composition was observed with respect to haemolymph proteins and, enzymes such as succinate dehydrogenase and amylase activity levels when compared with the unimmunized controls. The results pave the way towards the use of immunization method to induce tolerance in silkworm against the dreaded nuclear polyhedrosis virus.

Item Type: Article
Subjects: B Life Science > Sericulture
Divisions: Yuvaraj college
Depositing User: Dhruva Kumar LPA
Date Deposited: 29 Aug 2019 10:05
Last Modified: 29 Aug 2019 10:05
URI: http://eprints.uni-mysore.ac.in/id/eprint/7323

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