Risk-Analysis-for-The-Occurrence-of-Bovine-Spongiform-Encephalopathy-Through-Animal-Importation-in-Bangladesh
Risk-Analysis-for-The-Occurrence-of-Bovine-Spongiform-Encephalopathy-Through-Animal-Importation-in-Bangladesh
Md. Nazrul Islam1*, Md. Saiful Islam Siddiqui2, Md. Rafiqul Islam3, Emdadul Haque Chowdhury3’
ABSTRACT
Bovine Spongiform Encephalopathy (BSE) is primarily an emerging zoonotic disease of cattle and other ruminants. It has originated from adaptation and recycling of the sheep scrapie agent called scrapie associated prion protein (PrPsc). Although Bangladesh did not experience a BSE outbreak so far, Bangladesh has not yet been declared BSE free by OIE due to lack of scientific risk evaluation for BSE. The scientific data were reviewed, hazards were scheduled and surveys were conducted - on import of livestock and its commodities. The analysis was done by the “OIE Risk Analysis Framework 2006 and Scientific Steering Committee (SSC) 2003”,consists of hazard identification, risk assessment and risk management. Importation of live cattle from Spain was identified as external hazard. This hazard had negligible risk for the introduction of infectious prion protein in the cattle population of Bangladesh. Scrapie was never prevalent in Bangladesh and offal’s, slaughtered waste do not use in the animal feed industry. Therefore, risk from the internal challenge was also negligible. Finally, it was concluded that, introduction of PrPsc into cattle population via animal importation was very negligible.
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