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Effect of filtering recycled air in a chick hatcher on airborne pathogenic microorganisms



Effect of filtering recycled air in a chick hatcher on airborne pathogenic microorganisms



Poultry Science 54(2): 594-599



Two experimental chick hatchers in which ventilation air within the hatcher was partially recirculated in a positive pressure system, one with an air filter in the system and the other without a filter, were simultaneously tested to determine effect of the filter on quantitative reduction of viable airborne microorganisms. Chicks were artificially contaminated with either Escherichia coli or Staphylococcus aureus (coagulase-positive). Air was sampled for total test bacteria per cubic foot of hatcher air. The filter effectively reduced the number of viable airborne particles contaminated with E. coli and S. aureus contributed by chicks in the hatcher.

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Accession: 015603303

Download citation: RISBibTeXText

PMID: 1101245

DOI: 10.3382/ps.0540594



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