Vaccination of chickens with strain CVL30, a genetically defined Salmonella enteritidis aroA live oral vaccine candidate

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Invasiveness and persistence of Salmonella enteritidis, Salmonella typhimurium, and a genetically defined S. enteritidis aroA strain in young chickens.

Newly hatched chicks were dosed orally with a Salmonella typhimurium wild-type strain, an S. enteritidis wild-type strain, and a genetically defined S. enteritidis aroA vaccine candidate, strain CVL30. The S. typhimurium strain, 2391 Nalr, was virulent in newly hatched chicks and caused deaths in 7 of 20 chicks after an oral dose of 10(5) organisms. The S. enteritidis wild-type strain, LA5, cau...

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salmonella enterica serovar enteritidis live vaccine strain in the reproductive organs of laying goose after subcutaneous vaccination

serovar-specific real-time pcr for salmonella enterica serovar enteritidis (s. enteritidis) was conductedto detect the genomic dna of s. enteritidis from laying goose after subcutaneous vaccination at differenttime points. indirect fluorescent antibody (ifa) technique and immunohistochemical localization wereemployed to validate the results. the results showed that s. enteritidis was consistent...

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ژورنال

عنوان ژورنال: Infection and Immunity

سال: 1994

ISSN: 0019-9567,1098-5522

DOI: 10.1128/iai.62.11.4747-4754.1994