Description of a simulation model for the population dynamics of Eimeria acervulina infection in broilers

A. M. Henken, H. W. Ploeger, E. A.M. Graat, Tim Carpenter

Research output: Contribution to journalArticle

16 Scopus citations

Abstract

A simulation model for the population dynamics of Eimeria acervulina infection in broilers is presented. The model describes the development of the numbers of parasites in the various life-stages during the growing period of broilers and the empty house period between grow-outs. The model includes assumptions with respect to development of immunity to E. acervulina infection and effects of application of anticoccidial drugs. The model consists of a set of difference equations that are solved numerically at 1 h intervals. Under constant conditions, an equilibrium level was reached after a few grow-outs during which infection always peaked around the 21st day in the growing period. Within a growing period, infection peaked earlier (later) than the 21st day in case initial numbers of sporulated oocysts were higher (lower) than the equilibrium number.

Original languageEnglish (US)
Pages (from-to)503-512
Number of pages10
JournalParasitology
Volume108
Issue number5
DOIs
StatePublished - Jan 1 1994

Keywords

  • anticoccidial drug efficacy
  • broilers
  • coccidiosis
  • Eimeria acervulina
  • host immunity
  • simulation

ASJC Scopus subject areas

  • Parasitology
  • Animal Science and Zoology
  • Infectious Diseases

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