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Identification of nephropathogenic infectious bronchitis virus using tracheal orbiculus tissue culture (TOC)


, : Identification of nephropathogenic infectious bronchitis virus using tracheal orbiculus tissue culture (TOC). Chinese Journal of Veterinary Medicine 22(4): 16-18

Tracheal orbiculus tissue culture (TOC) was used to identify 4 IBV isolates (CH, J, SH, and M) obtained in the Qingdao areas, with the H120, NIBV and T strains as controls. The 4 IBV isolates, passaged once in chick embryos, were inoculated on to TOC, inducing the cessation of TOC ciliary motion, and causing epithelial atrophy and defoliation.

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