S. and parts of ST. JOHN'S, Canada Mexic o , large areas 100' W j - l2o' a re suscep tible to - - -- 10' desertificat ion from 12' 0" =t=, .- Jan Apr Jul - 1 Oct
in delaying growth of L. monocytogenes tions from the stage of animals arriving at the during storage (4, 10, and 25°C) of vacuum- abattoir, during the dressing process, until packaged beef tissues. Possible reasons for chilling and fabrication, in order to reduce HW-LA being more effective than LA-HW microbial contamination on hides, carcasses, include cellular damage by heat and suscep- and cuts. Currently, the U.S. beef industry tibility of injured cells to subsequent acid uses sequential and simultaneous inter- exposure, while application of hot water ventions, such as animal washing, knife- after acid treatment may reduce residual trimming, steam-vacuuming, pre-evisceration acid levels on the surface of treated meat washing/rinsing, washing with hot water 68 Chapter 3 or steam pasteurization, post-evisceration whereas E
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