1. School of Life Sciences, Ludong University, Yantai 264025, China.
2. Shandong Provincial Key Laboratory of Quality Safety Monitoring and Risk Assessment for Animal Products, Jiʹnan 250022, China.
3. Yantai Key Laboratory of Animal Pathogenetic Microbiology and Immunology, Yantai 264025, China.
4. College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China.