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Table 4 Comparison of the mortality and oncogenicity in SPF chickens

From: Deletion of 1.8-kb mRNA of Marek's disease virus decreases its replication ability but not oncogenicity

Strain Mortality (%) Oncogenicity (%)
GX0101 20/40 (50.0) 9/40 (22.5)
GX0101Δ(A+C) 16/40 (40.0) 5/40 (12.5)
Control 0/13 (0) 0/13 (0)