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Microbiology of beef carcasses before and after slaughterline automation

Published online by Cambridge University Press:  19 October 2009

O. P. Whelehan ,
W. R. Hudson  and
T. A. Roberts
O. P. Whelehan
Affiliation:
Agricultural and Food Research Council, Food Research Institute – Bristol, Langford, Bristol BS18 7DY
W. R. Hudson
Affiliation:
Agricultural and Food Research Council, Food Research Institute – Bristol, Langford, Bristol BS18 7DY
T. A. Roberts
Affiliation:
Agricultural and Food Research Council, Food Research Institute – Bristol, Langford, Bristol BS18 7DY
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Summary

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The bacterial status of beef carcasses at a commercial abattoir was monitored before and after slaughterline automation. Bacterial counts did not differ significantly overall (P>0·05) between the original manual line and the automated line for either morning or afternoon slaughter. On the manual line counts in the morning were lower than those from carcasses slaughtered in the afternoon, but on the automated line there was no difference between morning and afternoon counts. Due to highly significant line × sample site interaction for both morning and afternoon counts, overall differences among sample sites were not found by analysis of variance. However, principal components analysis revealed a significant shift in bacterial contamination among some sites due to slaughterline changes. The incidence of Enterobacteriaceae increased marginally following automation.

Type
Research Article
Information
Journal of Hygiene , Volume 96 , Issue 2 , April 1986 , pp. 205 - 216
Copyright
Copyright © Cambridge University Press 1986

References

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