Infection rates, titer, and OB yield declined with increasing serial passages of MsNPV in the cell line, they dropped off rapidly after the 7th or 8th passage.
病毒连续传代至第7代或第8代以后，其感染率、病毒滴度及多角体产量均有显著下降。
Infection rates, titer, and OB yield declined with increasing serial passages of MsNPV in the cell line, they dropped off rapidly after the 7th or 8th passage.
病毒连续传代至第7代或第8代以后，其感染率、病毒滴度及多角体产量均有显著下降。
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