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Immunity to experimental fowl typhoid in chickens induced by a virulence plasmid-cured derivative of Salmonella gallinarum.

Chickens were immunized by two intramuscular inoculations at 1 and 14 days of age with virulence plasmid-cured derivatives of Salmonella gallinarum and were challenged 14 days later by oral inoculation of ca. 50 50% lethal doses (LD50) of fully virulent S. gallinarum 9. Mortality in the nonimmunized...

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Hlavní autor: Barrow, P A
Médium: Artigo
Jazyk:Inglês
Vydáno: 1990
Témata:
On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC258809/
https://ncbi.nlm.nih.gov/pubmed/2194968
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