Transmission of Salmonella between broiler chickens fed with fermented liquid feed

L. Heres, B.A.P. Urlings, J.A. Wagenaar, M.C.M. de Jong

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15 Citations (Scopus)


In the light of food safety and the control of Salmonella at chicken farms, fermented liquid feed (FLF) was studied. This moistened feed reduced the susceptibility of chickens for Salmonella. To assess the effect of the fermented feed on the transmission of Salmonella between chickens, a transmission experiment was performed. Salmonella shedding was followed within groups of two susceptible chickens together with two previously inoculated chickens. The between-chicken transmission was quantified by calculating a reproduction ratio (R0) and a transmission rate parameter ([beta]). R0 and [beta] in the FLF-treated groups were reduced, but a typical infectious chicken fed with FLF, could on average still infect more than one new infectious case. FLF can therefore reduce the transmission of Salmonella in chicken flocks, but it will not prevent the occurrence of major outbreaks.
Original languageEnglish
Pages (from-to)107-116
JournalEpidemiology and Infection
Issue number1
Publication statusPublished - 2004


  • typhimurium
  • prevalence
  • virus
  • enteritidis
  • population
  • excretion
  • infection
  • movement

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