Experimental vaccination of young chickens with a live, non-pathogenic strain of Escherichia coli

A non-pathogenic, piliated strain of Escherichia coli (BT-7; Frommer et al., 1990), isolated from a meat-type chicken flock, was studied as a candidate for a live vaccine to protect chickens from E. coli infection. Active immunization provided substantial protection of chicks vaccinated at 14 or 21...

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Veröffentlicht in:	Avian pathology 1994-09, Vol.23 (3), p.425-433
Hauptverfasser:	Frommer, A., Freidlin, P.J., Bock, Rachel R., Leitner, G., Chaffer, M., Heller, E.D.
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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