Temperature dependent efficacy of evaporative cooling for broilers

M. B. Timmons, R. S. Gates

Research output: Contribution to journalArticlepeer-review


A stochastic weather model was used in conjunction with a broiler performance model to determine the effects of outside temperature upon production with and without evaporative cooling. Stochastic simulations were conducted for 200 years at a series of expected outside temperatures between 21°C (69.8°F) and 30°C (86.0°F). Yearly variations were particularly large for mortality, and this variation had a significant impact on the economic returns realized. The stochastic analysis yielded very different results than an analysis using a deterministic weather model, which has been the normal method of anlaysis to date. The simulation results indicated that evaporative cooling can provide significant production benefits at 25°C (77°F) or higher expected mean daily temperature.

Original languageEnglish (US)
Pages (from-to)215-224
Number of pages10
JournalApplied Engineering in Agriculture
Issue number2
StatePublished - Jun 1989
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)


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