Towards a more comprehensive understanding of wild pig (Sus scrofa) impacts on agricultural producers: Insights from a Texas case study

This research investigates the impacts of invasive wild pigs (Sus scrofa Linneaus) on agricultural producers in Texas, with the aim of identifying and describing all categories of wild pig impacts and quantifying the extent of producers’ over- or underestimation of their total wild pig-related costs...

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Veröffentlicht in:Crop protection 2021-12, Vol.150, p.105793, Article 105793
Hauptverfasser: Carlisle, Keith M., Didero, Nicole, McKee, Sophie, Elser, Julie, Shwiff, Stephanie A.
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Sprache:eng
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Zusammenfassung:This research investigates the impacts of invasive wild pigs (Sus scrofa Linneaus) on agricultural producers in Texas, with the aim of identifying and describing all categories of wild pig impacts and quantifying the extent of producers’ over- or underestimation of their total wild pig-related costs in 2018, as compared to calculations based upon data subsequently provided by the producers about individual wild pig-related costs and losses. Based on interviews with 23 producers in 16 Texas counties, we identified more than 20 discrete categories of negative impacts and negligible positive impacts associated with wild pigs. Among them were categories that have not been described or included in previously published economic estimates of wild pig impacts on producers, such as (i) additional time and fuel expenses incurred at harvest on account of damaged fields, (ii) reduced yield on replanted crops following wild pig damage, (iii) loss of arable land due to erosion caused by wild pigs, (iv) reduced livestock weight conversion, and (v) increased livestock depredation by coyotes on account of damage to fencing caused by wild pigs (a more speculative impact). We also found that participants underestimated their total costs associated with wild pig impacts by a factor of nearly three, and the extent of underestimation was even greater among crop producers (4.6), largely because of unconsidered opportunity costs. With these findings, we call attention to the need for economic estimates that better capture the full range of costs imposed on agricultural producers by wild pigs. •More than 20 categories of wild pig-related costs to Texas agricultural producers were identified.•Participants initially underestimated their total wild pig-related costs by nearly a factor of three.•The extent of underestimation by crop producers was greater than that by livestock producers.•The most commonly omitted costs from participants' estimates were opportunity costs and additional time/labor.•Opportunity costs represented nearly half of total costs for participants.
ISSN:0261-2194
1873-6904
DOI:10.1016/j.cropro.2021.105793