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Pathogenicity testing of Listeria strains isolated from food in fertilized hen's eggs
C Lattmann1, A Schwarzkopf, H P Seeliger
1Institut für Hygiene und Mikrobiologie, Universität, Würzburg.
Zentralblatt Fur Bakteriologie, Mikrobiologie, Und Hygiene. Series A, Medical Microbiology, Infectious Diseases, Virology, Parasitology
|January 1, 1989
Abstract:
Pathogenicity testing of 10-day-old fertilized hen's eggs infected with Listeria species demonstrated that L. monocytogenes isolated from cheese and human samples caused death in 100% of the injected chicken embryos within 96 h. In contrast, L. innocua isolated from cheese was fatal for only 17% of the infected embryos. All embryos infected with L. seeligeri survived. The results confirmed statements of previous authors about the pathogenicity of L. monocytogenes, regardless of its origin.