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Table 1 Test result of BLV infection in Ningxia province by FRET-qPCR

From: Molecular characterization of bovine leukemia virus reveals existence of genotype 4 in Chinese dairy cattle

City County BLV positivity by FRET-qPCR Copy number range (per ml of whole blood) Copy number mean (per ml of whole blood) Copy number median (per ml of whole blood)
Shizuishan Pingluo 2/17 (11.76%) 1829–6865 4347 4347
Huinong 3/21 (14.29%) 20–130 57 20
Dawu 4/14 (28.57%) 20–130 79 83
Total 9/52 (17.31%) 20–6865 1020 130
Yinchuan Jinfeng 3/20 (15.00%) 20–362,936 120,992 20
Yongning 2/17 (11.76%) 35 35 35
Xingqing 10/20 (50.00%) 20–362,936 37,205 83
Xixia 0/21 (0.00%) N/A N/A N/A
Lingwu 6/12 (50.00%) 20–130 41 20
Total 21/90 (23.33%) 20–362,936 35,016 35
Wuzhong Litong 4/19 (21.05%) 130–6865 5181 6865
Yanchi 2/18 (11.11%) 20 20 20
Qingtongxia 0/21 (0.00%) N/A N/A N/A
Total 6/58 (10.34%) 20–6865 3461 3498
Zhongwei Zhongning 4/19 (21.05%) 20 20 20
Total   40/219 (18.26%) 20–362,936 19,134 35