5Calnek B W, Barnes H J, Beard C W, et al. Disease of Poultry[M]. 9th ed Ames: Iowa State University Press, 1991, 198-212.
6Hong Y, Garcta M, Leiting L, et al. Specific detection and typing of Myeoplasma synoviae strains in poultry with PCR and DNA sequence analysis targeting the hemagglutinin encoding gene vlhA[J]. Avian Dis,2004,48:606-616.
7Bencina D, Drobnic Batic M, Horvat S. Molecular basis of the length variation in the N-tenaainal part of Mycoplctsrrta syrto- victe hemagglutinin[J]. FEMS Microbiol Lett,2001,203:115-123.
8吴移谋,叶元康.支原体学[M].北京:人民卫生出版社,2008,16-25.
9Buim M R, Buzinhani M, Yamaguti M, et al. Mycoplasma sy noviae cell invasion: elucidation of the Mycoplasma pathogenesis in chicken [J]. Comp Immunol Microbiol Infect Dis, 2011, 34(1): 41-47.
10Landman W J, Feberwee A. Longitudinal field study on the occurrence of Mycoplasma synoviae in Dutch turkey flocks with lameness and experimental induction of the condition [J]. Avian Pathol, 2012, 41(2): 141-149.