International Journal of Industrial Entomology and Biomaterials

Korean Society of Sericultural Science (한국잠사학회)
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Effect of Antibiotic (Norfloxacin) Administration on Commercial Characters of New Bivoltine and Cross Breed Hybrid Silkworm (Bombyx mori L)

  • Rahmathulla, V.K. (Central Sericultural Research and Training Institute) ;
  • Nayak, Padmanav (Central Sericultural Research and Training Institute) ;
  • Vindya, G.S. (Central Sericultural Research and Training Institute) ;
  • Himantharaj, M.T. (Central Sericultural Research and Training Institute) ;
  • Rajan, R.K. (Central Sericultural Research and Training Institute)
  • Published : 2003.12.01
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Abstract

The impact of antibiotic (Norfloxacin) administration ,at different concentration (50 ppm and 100 ppm) on commercial characters of bivoltine $({CSR_2}{\times}{CR_4})$ and the cross breed race $({BL_67}{\times}{CSR_101})$ was studied. The result indicated that antibiotic administration with different concentrations significantly improved the rearing and cocoon parameters like larval duration, larval weight, growth index, single cocoon weight, single shell weight and shell ratio. The post cocoon parameters like average filament length, non-breakable filament length, raw silk percentage, raw silk recovery percentage, denier, reelability and neatness were recorded significantly higher in antibiotic treated batches. The better performances of these parameters were recorded with the increase of antibiotic concentration.

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References

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