Identification of the Source for Contamination of Carcasses in a Large Pig Slaughterhouse.

Last updated on 29-9-2022 by Wesley Mattheus

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To identify the major source of contamination in a pig slaughterhouse, samples were collected from the clean and unclean area and isolates were further typed. Carcasses entering the clean area showed a contamination rate of 96.7% in the oral cavity and 55.0% in the rectum content samples. Evisceration seemed not to be critical as the contamination rate of the carcasses was similar before (16.7%) and after (18.3%) this slaughter step. In the unclean area, a limited number of oral cavity samples were positive after bleeding, while a dramatic increase of positives was observed after dehairing….

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