Protective efficacy of liveSalmonella gallinarum9R vaccine in commercial layer flocks

Autor:	Min S Kang, Young J Lee, In P. Mo
Rok vydání:	2007
Předmět:	Salmonella Infections Animal General Immunology and Microbiology Salmonella Vaccines Inoculation Oviposition animal diseases Significant difference High mortality Virulence Biology Salmonella enterica serovar Gallinarum bacterial infections and mycoses Salmonella Gallinarum Fowl typhoid Microbiology Food Animals Animals Female Animal Science and Zoology Flock Chickens Poultry Diseases
Zdroj:	Avian Pathology. 36:495-498
ISSN:	1465-3338 0307-9457
DOI:	10.1080/03079450701691278
Popis:	Salmonella enterica serovar Gallinarum (S. Gallinarum) is the causative agent of fowl typhoid, a severe systemic disease of chickens that results in high mortality. In this study we re-evaluated the ability of live S. Gallinarum 9R vaccine to protect from wild-type S. Gallinarum challenge. In laboratory trials, there was a significant difference between the vaccinated and unvaccinated control groups in mortality and the re-isolation rate of the challenge strain from the tissues (P
Databáze:	OpenAIRE
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