THE REDUCTION OF POST-WEANING MORTALITY THROUGH MANAGEMENT CHANGES AND THE USE OF PORCILIS PRRS VACCINATION
K. Yuill

Abstract
Post-weaning Multisystemic Wasting Syndrome (PMWS) related mortality from wean-to-finish reached 20%. Management changes such as segregation and all-in/all-out procedures were introduced as a means to reduce mortality to 10%. The use of diagnostics identified that the herd was Porcine Reproductive and Respiratory Syndrome (PRRS) positive, and a vaccination regime using Porcilis PRRS vaccine was initiated. This dramatically reduced mortality to 3-4%, and improved overall growth rate from weaning to 100 kg to an average of 756 g/day.

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