Salmonella and Escherichia coli O157:H7 contamination on hides and carcasses of cull cattle presented for slaughter in the United States: an evaluation of prevalence and bacterial loads by immunomagnetic separation and direct plating methods.

Applied and Environmental Microbiology
Dayna M Brichta-HarhayMohammad Koohmaraie

Abstract

The hide and carcass hygiene of cull cattle at slaughter in four geographically distant regions of the United States was examined from July 2005 to April 2006 by measuring the aerobic plate counts (APC) and the prevalences and loads of Salmonella and Escherichia coli O157:H7. The geometric mean log(10) APC CFU/100 cm(2) levels on hides and preevisceration and postintervention carcasses ranged from 6.17 to 8.19, 4.24 to 6.47, and 1.46 to 1.96, respectively, and were highest in the summer (P < 0.0001). The average prevalences of Salmonella on hides and preevisceration and postintervention carcasses were 89.6% (95% confidence interval [CI], 85.1 to 94.0), 50.2% (95% CI, 40.9 to 59.5), and 0.8% (95% CI, 0.18 to 1.42), respectively. The prevalences of E. coli O157:H7 were 46.9% (95% CI, 37.3 to 56.6) and 16.7% (95% CI, 9.8 to 23.6) on hides and preevisceration carcasses, respectively. Examination of the concomitant incidence of Salmonella and E. coli O157:H7 showed that, on average, 33.3% (95% CI, 15.9 to 69.8) of cattle hide and 4.1% (95% CI, 0.98 to 17.3) of preevisceration carcass samples were contaminated with both pathogens. The pathogen prevalence on hides and carcasses was not significantly affected by the season; however, si...Continue Reading

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Citations

Apr 25, 2013·The Journal of Dairy Research·Rosângela de FreitasAntônio Fernandes de Carvalho
Mar 9, 2011·Foodborne Pathogens and Disease·Charles C DoddMichael W Sanderson
Aug 18, 2009·Applied and Environmental Microbiology·Terrance M ArthurMohammad Koohmaraie
Apr 3, 2012·Applied and Environmental Microbiology·Sangeetha Ananda BaskaranKumar Venkitanarayanan
Jun 25, 2013·Applied and Environmental Microbiology·Sara E GraggMindy M Brashears
Jan 18, 2011·Applied and Environmental Microbiology·Dayna M Brichta-HarhayMohammad Koohmaraie
Mar 15, 2011·Applied and Environmental Microbiology·Terrance M ArthurMohammad Koohmaraie
Mar 8, 2011·Applied and Environmental Microbiology·Lisa GorskiRobert E Mandrell
May 8, 2014·Journal of Food Science and Technology·L Hernández-OchoaE Salas-Muñoz
Apr 25, 2009·Tropical Animal Health and Production·Oliveiro Caetano de Freitas NetoAngelo Berchieri Junior
Oct 4, 2014·Journal of Medical Entomology·Pia Untalan OlafsonGuy H Loneragan
Nov 19, 2009·Risk Analysis : an Official Publication of the Society for Risk Analysis·Rowena D KosmiderMarion Wooldridge
Feb 12, 2009·FEMS Microbiology Reviews·Roberto M La RagioneAndrew D Wales
Jan 3, 2012·International Journal of Food Microbiology·K M ThomasG Duffy
Aug 27, 2013·International Journal of Food Microbiology·Claudia Narváez-BravoArmando E Hoet
Jun 2, 2016·The Onderstepoort Journal of Veterinary Research·Evelyn MadorobaAwoke K Gelaw
Aug 9, 2016·Journal of Food Protection·Joseph M BosilevacMohammad Koohmaraie
Jul 10, 2013·Journal of Food Protection·T S EdringtonD J Nisbet
Aug 4, 2012·Journal of Food Protection·Mohammad KoohmaraieMansour Samadpour
Mar 5, 2016·Journal of Food Protection·Zachary R StrombergRodney A Moxley
May 9, 2012·Journal of Food Protection·John W SchmidtMohammad Koohmaraie
Feb 27, 2015·Journal of Food Protection·T R BrownD J Nisbet

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