Seasonal bioassay moulting response of silkworm (Bombyx mori L.) to the nutritive quality of preserved mulberry (Morus spp.) leaf
2000
Muniraju, E. (Karnataka State Sericulture Research and Development Institute, Bangalore (Inde)) | Sekharappa, B.M. | Raghuraman, R.
Tender top (1-4.) mulberry leaves harvested front irrigated mulberry garden were studied under 11 different methods of preservation for 12 hours and the data on moisture content, total protein, non-protein nitrogen (npN), starch and sugar contents recorded. Bioassay studies were simultaneously conducted by moulting test. Observations revealed significant differences between the methods of preservation. The poor moulting ratio, larval weight and growth rates were recorded in dry treatments associated with lower leaf moisture, protein and sugar contents. Lower npN, higher protein and sugar content of leaf preserved under wet treatments were recorded in general and buried pot in particular favoured higher moulting ratio, larval weight and growth rate
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