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- 1. CarcaseCarcase Muscle incised onlywhen c. bovis present in heart or masseter muscle Attention should be paid to : • degree of bleeding • odours • discolouration • bruising Thoracic and Abdominal cavity→ inflam., abscess, T.B. Carcase L.ns: T.B.
- 2. Inspection of calvesInspectionof calves Special attention should be made to: the mouth & tongue →Foot & Mouth disease and calf diphtheria The joints swelling → septic or pyaemic poly arthritis → consistency of synovial fluid The intestines and stomach • enteritis → salmonella • purulent matter → white scour by E.coli
- 3. Inspection of calvesInspectionof calves Liver& spleen: T.B. → the mesenteric L.ns Congenital T.B. → portal L.ns Umbilicus: Navel ill Heart: Cysticerci (Visual examination)
- 4. Inspection of sheepInspectionof sheep The lung : for parasitic infestation, Hydated cysts. Nematodes→ verminous pneumonia. The liver: Fascioliasis The carcase: palpated…… Abscess, arthritis, caseous lymphadenitis Brain: Coenurus cerebralis Spleen: Anthrax Muscles: C. ovis
- 5. Stamping of carcassStampingof carcass • stamping is chiefly a mean for identification . Aim of stamping • to indicate that the carcass is wholesome • to differentiate between animal species • to differentiate between aged and young animals of the same species
- 6. Stamping of carcassStampingof carcass The impression of the stamps refer to: • the name of province • the name of abattoir • the day of slaughter • a secret mark • the kind of meat age and species • no of slaughter hall • the ink of staining must be harmless, adhere easily ,stable ,dry Quikley penetrate into the superficial layers of meat impressions should not be disappeared by washing pickling or smoking
- 7. Stamping of carcassStampingof carcass kind of meat age color and shape of stamping • bovine less than3years red quadrilateral • bovine more than 3.5 red hexagonal • bovine more than5years red triangular • mutton less than3years red quadrilat
- 8. Stamping of carcassStampingof carcass kind of meat age color and shape of stamping • mutton more than3years red triangular • camel less than4.5years red quadrilat • camel more than5years red triangular • goat all ages red triangular • pig all ages red rounded
- 9. Parasitic Diseases importantin MeatParasitic Diseases important in Meat InspectionInspection Taenia saginata C. bovis(Beef Measles) • Predilection sites are tongue, heart muscle, massater, diaphragm .Occasionally in liver and lungs. Final host is man, intermediate host is bovine(Cattle).Other wild ruminants are infected.
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- 13. Judgment at meatinspectionJudgment at meat inspection • Condemn the whole carcass if; – the infection is excessive i.e. if any muscle you incise, you find 1 or more cysts or any organ you incise you find 1 or more cysts. – The total number of cysts in any muscle or surrounding tissue or organ exceed 10 just on a single incision – 10 or more cyst in a dressed carcass
- 14. Judgment at meatinspectionJudgment at meat inspection • When the carcass regarded less number of cysts • Conditionally approve if the carcass – Has 1-9 cysts – Any part of the carcass has 1 or 2 cysts
- 15. Echinococcus granulosusEchinococcus granulosus HydatiddiseaseHydatid disease • Final host is dog and other carnivorous. • Intermediate hosts are cattle, ruminants, pigs, • Man is an accidental intermediate host • The cystic form is hydatid cyst
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- 17. Hydatid cyst inBrainHydatid cyst in Brain
- 18. Judgment at PMJudgmentat PM • The shape of cysts depend on shape and size of organ where the cyst is located. • It can be spherical and can be very large • Leading to pressure necrosis. • Carcass showing emaciation, edema is condemned and destroyed. • Affected viscera condemned and destroyed.
- 19. Taenia HydatigenaTaenia Hydatigena •Its among the largest tape worms of dogs. The cystic form is cysticercus tennuicolis found intermediate hosts which are small ruminants(goats and sheep) and pigs. • It is one of the largest cysts up to 7.5 cm with a long thin neck. • Predilection sites include the omentum, mesenteries & liver.
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- 21. Taenia HydatigenaTaenia Hydatigena •Judgment – If infestation is not heavy remove cyst and pass carcass – In case of excessive infestation, condemn the affected organs. – Man is an accidental host
- 22. Taenia multicepsTaenia multiceps •It confined to brain tissue of ruminants • Can be size of a pea or an egg. • Can be arrested in liver and die, otherwise reach brain in 8-14 days leading to CNS signs • Final host carnivores • Intermediate hosts- ruminants • Judgment – In early cases when there is no emaciation, condemn the head – If there is emaciation, condemn the whole carcass
- 23. FascioliasisFascioliasis • Caused byFasciola hepatica, Fasciola gigantica • At post mortem, acute lead parachymatous hepatitis, hemorrhages.. • Bile ducts are thickened, dilated, Bile ducts filled with yellowish brown bile containing flukes • Excessive calcification and fibrosis of ducts leads to liver cirrhosis. • Migrating flukes may reach other organs like lungs
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- 25. FascioliasisFascioliasis JudgmentJudgment • Markedly cirrhoticliver should be condemned • Otherwise mildly affected liver can trimmed and pass the rest • If emaciation………….. T.C
- 26. TRICHINELOSISTRICHINELOSIS • Etiology – Trichinellaspiralis • Hosts – All mammals, principally, pigs, man, rats, etc • Predilection site is Muscles of movement • Diagnosis – Trichinoscopy tests .Taking a piece of muscle esp diaphragm
- 27. Judgment for TrichenollosisJudgmentfor Trichenollosis • Total condemnation of the entire carcass
- 28. Taenia Solium(PorkTaenia Solium(Porktape wormtape worm(( Final host is man, intermediate host is pig. Larvae is picked by the pig •Active muscles include heart muscle, diaphragm, massatter muscles, tongue, abdominal muscles, neck etc. •This cystic form is know as cysticercus cellulosae. •The condition is know as cyticercosis. Also known as pork measles
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- 30. Cyst in thePeritoneal cavityCyst in the Peritoneal cavity
- 31. Numerous cysts ofC. cellulosae inNumerous cysts of C. cellulosae in the heart musclesthe heart muscles..
- 32. T. SoliumT. Solium Judgmentat Meat inspectionJudgment at Meat inspection • If the total number of cysts is more than 6, condemn the whole carcass. • Any organ or head or any part of the pig with 1 or more cyst should be condemned.