Risk factors associated with early respiratory disease complex in broiler chickens

Nathaniel L. Tablante, Pierre Y. Brunet, Edwin M. Odor, Mariano Salem, Jeannine M. Harter-Dennis, William D. Hueston

Research output: Contribution to journalReview articlepeer-review

7 Scopus citations

Abstract

Early respiratory disease complex (ERDC) is a term coined to describe an acute disease characterized by depression, respiratory distress, and increased mortality in 2-to-3-wk-old broiler chickens. Postmortem lesions include airsacculitis, fibrinous pericarditis, and perihepatitis. Colisepticemia is the primary cause of death. In order to investigate the association between ERDC and farm management factors, a retrospective case-control study was conducted by collecting data covering a 6-mo period (January-June 1997) from four broiler integrators on the Delmarva peninsula. Univariate and multivariate statistical analyses revealed that flock size was positively associated (P = 0.02) and layout time was negatively associated (P = 0.05) with ERDC.

Original languageEnglish (US)
Pages (from-to)424-428
Number of pages5
JournalAvian diseases
Volume43
Issue number3
DOIs
StatePublished - 1999

Keywords

  • Broiler chickens
  • Respiratory disease
  • Risk factors

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