作者: JAMES O. REAGAN , GARY R. ACUFF , DENNIS R. BUEGE , MARIETTA J. BUYCK , JAMES S. DICKSON
DOI: 10.4315/0362-028X-59.7.751
关键词:
摘要: A study to compare procedures and interventions for removing physical bacterial contamination from beef carcasses was conducted in six carcass conversion operations that were representative of modern, high-volume plants located five different states. Treatment included trimming, washing, the current industry practice trimming followed by washing. In addition, hot (74 87.8°C at pipe) water washing rinsing with ozone (0.3 2.3 ppm) or hydrogen peroxide (5%) applied as intervention treatments. Beef deliberately contaminated bovine fecal material >4.0 log colony-forming units (CFU)/cm2 order be better able observe decontaminating effects Carcasses visually scored 2 3 trained personnel level gross before after treatment. Samples (10 15 cm, 0.3 0.5 cm thick) microbiological testing excised controls application each procedure a...