Institute of Pathogenic Microbiology, College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China.

Nanchang Key Laboratory of Animal Virus and Genetic Engineering, College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China.

Institute of Pathogenic Microbiology, College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China.

Nanchang Key Laboratory of Animal Virus and Genetic Engineering, College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China.

Institute of Pathogenic Microbiology, College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China.

Nanchang Key Laboratory of Animal Virus and Genetic Engineering, College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China.

Institute of Pathogenic Microbiology, College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China.

Nanchang Key Laboratory of Animal Virus and Genetic Engineering, College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China.

Institute of Pathogenic Microbiology, College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China.

Nanchang Key Laboratory of Animal Virus and Genetic Engineering, College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China.

Institute of Pathogenic Microbiology, College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China.

Nanchang Key Laboratory of Animal Virus and Genetic Engineering, College of Biological Science and Engineering, Jiangxi Agricultural University, Nanchang, China.