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CASE STUDY Residues of Antimicrobial substances in cattle meat and viscera

CASE STUDY Residues of Antimicrobial substances in cattle meat and viscera. Case study presented by Néstor Falcón Pérez; Silvana Górniak ; Mª Carmen Simón Valencia; Luis Carlos Villamil.

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CASE STUDY Residues of Antimicrobial substances in cattle meat and viscera

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  1. CASE STUDYResidues of Antimicrobial substances in cattle meat and viscera Case study presented by Néstor Falcón Pérez; Silvana Górniak; Mª Carmen Simón Valencia; Luis Carlos Villamil

  2. Producers in the Arubiana region take their cattle to the city slaughterhouse in order to provide meat and viscera for the local market.

  3. What are the rules or regulations that control the hygiene and safety of meat at the slaughterhouses of your country? • Which routine assessments are performed by the veterinarian on the carcasses and viscera of the recently slaughtered cattle?

  4. The local beef production has been meeting the community’s needs for many years and the producers have even been thinking about making arrangements for exportation.

  5. In a screening performed by the competent health authorities, samples from three establishments were found to have residues of antimicrobial substances that exceeded the allowed maximum.

  6. Which samples are collected for performing the tests for detection of residues of antimicrobial substances? • How should samples be collected and how should they be sent to the reference laboratory? • Which diagnostic techniques are used for determining the residues of antimicrobial substances in your area?

  7. The antimicrobial agents found in the positive samples were: • Gentamicin in muscle, fat, liver and kidney. • Tetracycline in muscle. • Penicillin in muscle and liver.

  8. Which organizations regulate and set the standards for Maximum Residue Limits (MRLs)? • What are the MRLs of these substances in the different assessed organs that this case study refers to?

  9. With the obtained results, the immediate concern of the authorities was to identify the locations where the positive samples had come from. • For this purpose a local veterinarian official was asked to investigate the concerned farms.

  10. How are the sites with positive bovine samples identified? • What does one look for in the observed establishments? • What measures are taken in the positive sites? What standards are these measures based on?

  11. What implications would there be for public health if the residues of these substances were to reach consumers through the food chain?

  12. Concerned with this situation, as it affected the marketing of their product, the producers were interested in knowing how they could avoid new cases in the future.

  13. What measures should be taken within the location in order to reduce the risk of introduction of new cases? • What is your opinion regarding the role of the professional veterinarian faced with the problems of residues of antimicrobial substances in general?

  14. CASE STUDYResidues of Antimicrobial Substances in Bovine Meat and Viscera Case study presented by Work Group 6: Residues of medications used by veterinarians

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