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DNA fingerprinting analysis of breakthrough outbreaks in vaccine-protected poultry stocks
G Kardos1, I Turcsányi, A Bistyák
1Department of Medical Microbiology, University of Debrecen, H-4032 Debrecen, Nagyerdei krt. 98., Hungary. kg@dote.hu
Abstract:
We report recurrent outbreaks of Yersinia pseudotuberculosis conjunctivitis in ducks and of fowl cholera in geese, occurring in stocks previously vaccinated with inactivated autogenous vaccines. Enterobacterial repetitive intergenic consensus sequence-based PCR and pulsed-field gel electrophoresis indicated reinfection with a new Y. pseudotuberculosis strain and vaccine evasion by the same Pasteurella multocida strain.
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