ArticleFrontiers in veterinary science2025
The effects of PRRS on the environmental impact of pig production: a life cycle assessment study.
Article in Frontiers in veterinary science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Porcine Reproductive and Respiratory Syndrome (PRRS) is a viral pig disease that increases mortality rates and reduces (re)production performance. This worsens a farm's whole-enterprise feed conversion ratio, which increases its greenhouse gas emission. PRRSV elimination should then result in mitigation of global warming. This study quantifies such mitigation of global warming and of other environmental impact categories such as eutrophication and land use by Life Cycle Assessment. The software package openLCA converted material and energy flows to impact categories of frameworks ReCiPe-2016, PEF-3.1, and IPCC-2021. Flows came from data recorded on 173 PRRS outbreaks in 113 sow farms (1.3 million sows), and on 5,650 all-in-all-out groups of wean-to-finish pigs in 63 farms (26 million pigs). We find that the environmental impact of PRRSV-negative North American farms is 4-6% lower than of the North American industry average (a mix of PRRSV-negative and PRRSV-positive farms), and 9-17% lower than of PRRSV-positive farms.
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