NU FS363 Lecture Notes - Lecture 15: Micrococcus, Fermentation Starter, Flavobacterium
6 Dec 2016
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All starts with an animal (for both meat/poultry and for milk/milk products) Slaughter (harvest facility) and dressing (getting rid of the guts) Mud + feces = tag (in feed lots, they have tag) source of contamination. Lymphatic system can be contaminated (lymph nodes are in the muscle, some times can take it out but ofte(cid:374) the(cid:455) do(cid:374)"t take it out(cid:895) Pigs contaminated with hev in the lymph nodes. Large bones with joints (can be contaminated there too) Zoonoses (all cause diseases in animals and humans) Ehec does not cause disease in animals, only in humans (ehec is present but is not a zoonoses) Q fever (this is rare and why we pasteurize milk) coxiella burnetii (this is very heat resistant) Interventions used by cargill meat solutions to control ehec on beef. Animal is usually knocked senseless, they shoot a bolt that causes them to be senseless (cattle) Chickens are electric shocked so they don"t feel.
