Porcine Reproductive and Respiratory Syndrome (PRRS) virus has been a troublesome pathogen for swine producers around the world for 3 decades. Various strategies have been introduced – from better biosecurity to vaccination – but the search continues for a solution to control the virus once and for all. A route through genetics might provide that solution, explains Dr Lucina Galina Pantoja, technical project director at pig breeder PIC in the United States.
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