Evaluation of protection induced by Riemerella anatipestifer-E. coli O78 bacterin in white pekin ducks

Simone Stoute, Tirath S. Sandhu, Maurice E. Pitesky

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Riemerella anatipestifer infection accounts for the most significant economic losses due to infectious disease in commercial White Pekin ducks in the United States. An inactivated bacterin and a live attenuated vaccine are approved for use against R. anatipestifer in the United States. This study aimed to evaluate the duration of protection induced by the commercial bacterin containing formalin-inactivated strains of R. anatipestifer serotype 1, 2, 5 (RA1, RA2, RA5) combined with E. coli 078 (RA-EC). Pekin ducks were vaccinated twice at 2 and 3 wk of age with 0.5 mL of RA-EC bacterin containing approximately 108 colony forming units (CFU) of E. coli and 109 CFU of RA1, RA2 and RA5 per dose (0.5 mL). Four-, 6-, and 8-week-old vaccinated and non-vaccinated control ducks were subsequently challenged with virulent strains of either: E. coli 078, RA1, RA2 and RA5. Evaluation of the vaccine protective index, histopathology, and bacteriology indicate RA-EC bacterin provides protection against virulent stains of RA1, RA2, RA5, and E. coli O78 throughout the 8-wk commercial Pekin grow-out period.

Original languageEnglish (US)
Pages (from-to)232-238
Number of pages7
JournalJournal of Applied Poultry Research
Volume25
Issue number2
DOIs
StatePublished - Jun 1 2016

Fingerprint

Riemerella anatipestifer
Pekin
ducks
Escherichia coli
live vaccines
bacteriology
formalin
histopathology
infectious diseases
serotypes
vaccines
economics
duration
dosage
infection

Keywords

  • bacterin
  • E. coli
  • Pekin duck
  • Riemerella anatipestifer
  • serotype
  • vaccination

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Evaluation of protection induced by Riemerella anatipestifer-E. coli O78 bacterin in white pekin ducks. / Stoute, Simone; Sandhu, Tirath S.; Pitesky, Maurice E.

In: Journal of Applied Poultry Research, Vol. 25, No. 2, 01.06.2016, p. 232-238.

Research output: Contribution to journalArticle

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