Survival of swine pathogens in compost formed from preprocessed carcasses

This is our Friday rubric: every week a new Science Page from the Bob Morrison’s Swine Health Monitoring Project. The previous editions of the science page are available on our website.

This week, we are sharing a summary of a study published by Dr. Brent Pepin et al. from Pipestone Veterinary Services on the survival of swine pathogens in compost.

Key Points

  • Composting of preprocessed carcasses effectively eliminated infective PRRSV/PED under cold weather conditions
  • Compost biomass type (carbon source) may affect the short-term virus survivalĀ 
  • Environmental viral contamination (aerosolization and groundwater) from carcass preprocessing and windrow composting appears minimal under the conditions of the study
  • Compost reached temperatures that can adequately deactivate ASF
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