Key Laboratory for Veterinary Bio-Product Engineering of Ministry of Agriculture and Rural Affairs;
Institute of Veterinary Medicine;
Jiangsu Academy of Agricultural Sciences;
Nanjing 210014;
P.R.China;
Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology;
Institute of Food Safety and Nutrition;
Jiangsu Academy of Agricultural Sciences;
Nanjing 210014;
P.R.China;
College of Animal Science and Technology;
Yangzhou University;
Yangzhou 225009;
P.R.China;
porcine tracheal epithelial cells(PTECs); hTERT-PTECs; swine-origin mycoplasmas; adhesion; cell model;