POST MORTEM INSPECTION Purpose Abnormal conditions Reasons for declaring meat unfit PURPOSE OF PMI 1. Diseases of public health significance 2. Diseases of animal health significance 3. Residues or contaminants in excess of the levels allowed by legislation PURPOSE OF PMI 4. The risk of non-visible contamination 5. Other factors which might require the meat to be declared unfit for human consumption or restrictions to be placed on its use 6. Visible lesions that are relevant to animal welfare such as beating or long standing untreated injuries. Abnormal conditions Mastitis in • Common condition in all species, especially cows older cattle • No need to inform the OV as the farmer is already aware and will receive notification when he is informed about the post-mortem inspection records. • Common Abnormal conditions • Is becoming more Caseous common but the OV needs to be made aware lymphadenitis because of the (sheep) economic importance of the disease (responsible for 1% of condemnations at meat inspection). • The veterinarian doing a differential diagnosis. • Uncommon Abnormal conditions Fascioliasis • Common in ungulates. Cattle (30 month or The OV does not need to younger) be informed • The disease is of great economic importance because of liver condemnations. The farmer will be informed when he receives notification of the post- mortem inspection findings. • Common Abnormal conditions Pigs Pleurisy/ • Inflammation of the pleurae is a pneumonia common meat inspection lesion in pigs. It requires the stripping of the pleura or removal of the rib cage but carcase condemnation is not normally necessary. There is positive correlation between the number of carcases requiring lung condemnation and the number of those requiring pleura stripping. • The OV does not need to be informed. • Common Abnormal conditions Anthrax • Normally identified at ante-mortem inspection if (Sheep) a suspect animal is found dead in the lairage. It is a notifiable disease and it is a zoonoses. • The OV must be informed and should immediately inform the ROD/DVM. • Uncommon Abnormal conditions Sarcocystis • The incidence is higher in older cattle but is an (Cattle) uncommon condition. Depending on the degree of infestation the carcase and viscera have to be rejected. • The OV should be informed. • Uncommon Abnormal conditions Ascariasis (milk spot) • The second most recorded condition at postmortem in (Pigs) pigs (17% of total rejections in 2004). It is mainly identified in livers (‘milk spot’) which are unfit for human consumption. The farmer will be informed when he receives the post- mortem inspection report. • The OV does not need to be informed. • Common Reasons for declaring meat unfit • not undergone antemortem inspection, except for hunted wild game • the offal not undergone post-mortem inspection • derives from animals which are dead before slaughter Reasons for declaring meat unfit • stillborn, unborn or slaughtered under the age of seven days • results from the trimming of sticking points • derives from animals affected by an OIE List A • derives from animals affected by a generalised disease (septicaemia, pyaemia, toxaemia or viraemia) Reasons for declaring meat unfit • is not in conformity with microbiological criteria • exhibits parasitic infestation • contains residues or contaminants in excess of authorised levels/ treated with forbidden substances Reasons for declaring meat unfit • consists of the liver and kidneys of animals more than two years old from regions in which there is a generalised presence of heavy metals in the environment • has been treated illegally with decontaminating substances • illegally with ionising or UV-rays Reasons for declaring meat unfit • contains foreign bodies (except, in the case of wild game, material used to hunt the animal) • exceeds the maximum permitted radioactivity levels • indicates patho-physiological changes, anomalies in consistency, insufficient bleeding (except for wild game) Reasons for declaring meat unfit • organoleptic anomalies, in particular a pronounced sexual odour • derives from emaciated animals • contains specified risk material • shows soiling, faecal or other contamination Reasons for declaring meat unfit • consists of blood that may constitute a risk to public or animal health • in the opinion of the official veterinarian, after examination of all the relevant information, it may constitute a risk to public or animal health or is for any other reason not suitable for human consumption ANY QUESTIONS??