Meat inspection II Flashcards
Disposition depends on what?
- severity of disease
- if disease is reportable
- level of zoonotic risk
- aesthetic value
Organoleptic inspection uses
- Sight- observe lesion
- Feel- palpating
- Smell- uremia or abscess
- Heating- sound of carcass hitting floor
Importance of lymph nodes
- filter for disease
- among the first tissue visibly affected
Postmortem inspection involves
- head inspection
- viscera inspection
- carcass inspection
All parts muct be identified and associated
Head inspection includes
-masseter muscle
-lymph nodes
-tongue
Also look for lumpy jaw, cancer eye
Viscera inspection includes
- heart (left ventricle)
- lungs (including lymph nodes)
- liver (nodes & bile ducts)
- GI tract (do not open)
- mesenteric lymph nodes (TB)
- rumino-reticular junction
- observe all other organs
Carcass inspection
- look for contamination, masses, bruises, etc.
- internal iliac & inguinal nodes
- kidneys
- diaphragm
Adulterated
added, foreign or interior substance that cannot be removed by trimming
Contaminated
material on the surface; can be removed by trimming
Inedible
parts not considered edible
Specified Risk Materials (SRM)
classified upon risk of BSE transmission to humans
- All ages:tonsils & distal ileum
- > 30 months: nervous tissue
When is trimming permitted?
local involvement with diseases not transmissible to humans
“Passed with restrictions”
when risk is minor and can be mitigated by cooking, freezing, etc
Refrigeration restriction
moderate beef cysticercosis
Heating (140 F) restriction
beef and sheep cysticercosis