The response of broiler breeder chickens to parenteral administration of avirulent Pasteurella multocida

Broiler breeder chickens were exposed to avirulent Pasteurella multocida at 14, 22, and 34 weeks of age either by stick wing 1 to 3 times or subcutaneously 3 times. Fowl pox vaccine was mixed with the first P. multocida exposure in some groups. Exposure did not impair egg production or hatch of fert...

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Veröffentlicht in:Avian diseases 1980-07, Vol.24 (3), p.743-750
Hauptverfasser: Derieux, W.T, Dick, J.W
Format: Artikel
Sprache:eng
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Zusammenfassung:Broiler breeder chickens were exposed to avirulent Pasteurella multocida at 14, 22, and 34 weeks of age either by stick wing 1 to 3 times or subcutaneously 3 times. Fowl pox vaccine was mixed with the first P. multocida exposure in some groups. Exposure did not impair egg production or hatch of fertile eggs. Challenge with pathogenic P. multocida serotype 1 at 68 weeks indicated that exposure to avirulent P. multocida 2 or 3 times provided better protection than 1 exposure. Mixing fowl pox vaccine with the avirulent P. multocida did not reduce immunity to fowl cholera or fowl pox.
ISSN:0005-2086
1938-4351
DOI:10.2307/1589810