Meat Inspection II Flashcards
What is the purpose of PM meat inspection?
Carcass dressing
Consumer safety
Disease surveillance
How are the lymphnodes inspected?
Organoleptic
-> usually the first tissue to become visually affected by dz
If abnormalities in the lymph nodes are localized, is the meat passed or condemned?
Trim and passed (+/-) restrictions
If abnormalities in the lymphnodes are generalized, is the meat passed or condemned?
Neither, retained for veterinary disposition
What structures of the head are inspected at PM?
Masseter m. Lymph nodes Tongue Lumpy jaw Eye ->cancer?
What visceral structures are inspected PM?
Heart -cut into left ventricle
Lung- palpate and incise mediastinal and tracheobronchial l.n.
Liver- incise hepatic node, open bile duct
GI-
Mesenteric l.n.
Ruminants-recticular junction
Meat is _________ if there is added, forgein/interior substances that cannot be removed by trimming
Adulterated
Meat is ___________ if there is material on the surface that can be removed
Contaminated
Meat is labeled as _________ if it is acceptable for use as human food
Passed
Meat is labeled as ____________ if it must be destroyed and cannot be used as human food
Condemned
T/F: food labeled as passed with restrictions can be used as human food
True
-must be cooked/refrigerated/added to a product
Brain, skull, and eyes are examples of _______________ which is considered inedible
Specified risk materials
How are specified risk materials classified
Based on risk for BSE transmission to humans
Basically neural tissue
If there is a systemic disease in an animal, the meat will be ?
Condemned
T/F: fatty liver may be passed for food
True
What conditions lead to liver condemnation?
Abscess Fasciolosis Cirrhosis Hydatid cyts Dirt/feces contamination
T/F: in animals that positively react with a TB test, there meat is immediately condemned?
False
-> extended PM exam (to USDA lab)
Under what conditions is meat from a TB cattle passed?
All lesions are encapsulated/calcified -> can be trimmed and remainder of the carcass must be cooked (passed with restrictions)
What happens to meat where the cattle reacted with a TB test, but there are no lesions apparent in the PM exam?
Passed with restrictions
In infections with taenia, __________ infections are trimmed and passed with restrictions while _________ infections are condemned
Localized; generalized
Taenia solium infections are almost always generalized
In swine, all products are potentially contaminated with trichinella. How do you prevent human disease?
Education
-heating, refrigeration
T/F: in lymphomas, adenocarconoma, or melanomas the carcass is condemned
True
Cases of icterus, systemic brusing, and emaciation are all _________ at PM inspection
Condemned
What regulates poultry products?
Poultry product inspection act
-ensure wholesomeness, non-adulterated, and properly labeled poultry products
