Prevalence of Selected Microbial Pathogens in Processed Poultry Waste Used as Dairy Cattle Feed

Joan S. Jeffrey, John H. Kirk, Edward R Atwill, James S Cullor

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Processed poultry litter intended for dairy cattle feed was collected on 13 dairy ranches in the San Joaquin Valley of California and analyzed for the presence of significant bacterial pathogens associated with clinical disease in cattle or foodborne disease in humans. Litter samples were collected from the surface and interior of the litter piles upon arrival on the dairies and 2 to 4 wk later. Litter samples were cultured for Salmonella, Escherichia coli, Campylobacter, and other bacteria. The temperature of the litter piles was obtained on the surface and interior at each sampling. Dry matter was determined for each sample. No Salmonella, E. coli 0157, or Campylobacter was identified (n = 104). Other E. coli strains were found in 8 out of 52 samples on arrival and 4 out of 52 samples at 2 to 4 wk after arrival. Although the surface and interior temperatures of the litter pile were different (23 C vs 50 C, respectively), the mean temperatures did not significantly change with time on the ranches. Average dry matter content did not differ between samples. In conclusion, the pathogens under investigation were not detected in processed poultry litter on these California dairy ranches upon arrival at the dairy or 2 to 4 wk later.

Original languageEnglish (US)
Pages (from-to)808-811
Number of pages4
JournalPoultry Science
Volume77
Issue number6
StatePublished - Jun 1998

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cattle feeds
dairy cattle
poultry
pathogens
dairies
ranching
sampling
Campylobacter
poultry manure
Escherichia coli
Salmonella
temperature
cattle diseases
foodborne illness
dry matter content
valleys
bacteria

Keywords

  • Bacteria
  • Dairy cattle
  • Feed
  • Foodborne pathogens
  • Poultry litter

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Prevalence of Selected Microbial Pathogens in Processed Poultry Waste Used as Dairy Cattle Feed. / Jeffrey, Joan S.; Kirk, John H.; Atwill, Edward R; Cullor, James S.

In: Poultry Science, Vol. 77, No. 6, 06.1998, p. 808-811.

Research output: Contribution to journalArticle

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