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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Microbial composition in bioaerosols of a high-throughput chicken-slaughtering facility
Poultry Science, Volume 86, No. 1, Year 2007
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Description
The microbial composition of the air in various areas of a high-throughput chicken-slaughtering facility was investigated. Over a 4-mo period, 6 processing areas were sampled, and the influence of environmental factors was monitored. The highest counts of microorganisms were recorded in the initial stages of processing, comprising the receiving-killing and defeathering areas, whereas counts decreased toward the evisceration, airchilling, packaging, and dispatch areas. Maximum microbial counts were as follows: coliforms, 4.9 × 10 3 cfu/m3; Escherichia coli 3.4 × 103 cfu/m3; Bacillus cereus, 5.0 × 104 cfu/m 3; Staphylococcus aureus, 1.6 × 104 cfu/m 3; Pseudomonas aeruginosa, 7.0 × 104 cfu/m 3; presumptive Salmonella spp., 1.5 × 104 cfu/m 3; Listeria monocytogenes, 1.6 × 104 cfu/m 3; and fungi, 1.4 × 104 cfu/m3. Higher counts of airborne microorganisms found in the receiving-killing and defeathering areas indicate the importance of controlling microbial levels before processing to prevent the spread of organisms downstream. This should limit the risk of carrying over contaminants from areas known to generate high counts to areas where the final food product is exposed to air and surface contamination. ©2007 Poultry Science Association Inc.
Authors & Co-Authors
Lues, Jan Frederick Rykers
South Africa, Bloemfontein
Central University of Technology, Free State
Theron, Maria Magdalena
South Africa, Bloemfontein
Central University of Technology, Free State
Venter, Pierre
South Africa, Bloemfontein
Central University of Technology, Free State
Rasephei, M. H.R.
South Africa, Bloemfontein
Central University of Technology, Free State
Statistics
Citations: 86
Authors: 4
Affiliations: 1
Identifiers
Doi:
10.1093/ps/86.1.142
ISSN:
00325791
e-ISSN:
15253171
Research Areas
Environmental
Food Security
Health System And Policy
Infectious Diseases