Cold storage of multivoltine silkworm eggs
1986
Park, N.S. | Kim, S.E. | Lee, S.M. | Kim, K.M. | Kwon, Y.H. (Rural Development Administration, Suwon (Korea R.). Sericultural Experiment Station) | Cho, H.Y. (Sangju National Agriculture Junior Coll., Sangju (Korea R.))
To reduce the number of rearing seasons required for preservation of multivoltine silkworms which do not produce diapause eggs, the optimal egg stage, temperature, and period of cold storage were examined using hatchability as an indicator of viability. Multivoltine silkworm strains MR, SPT, and HM were used in the study. The hatchability of multivoltine silkworm eggs (MR and STP) preserved at 5 deg C for 30 days was 80% for the eggs chilled from 2 days after oviposition but less 5 % for those chilled from 7 days after oviposition
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