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Table 1 The test results for the ALV p27 antigen in the 9-d cell supernatants

From: The passage of cells can improve the detection rate of avian leukosis virus to facilitate the elimination of avian leukosis in chickens

Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 positive rate
Passaged sample - + + + + + - - - + + + + + + + + - + + - 15/21
Unpassaged sample - + + - - + - - - - - + - + + - - + + + - 9/21