Feral Swine Behavior Relative to Aerial Gunning in Southern Texas

Campbell, Tyler A.; Long, David B.; Leland, Bruce R.

doi:10.2193/2009-131

Cited by 45 publications

(44 citation statements)

References 17 publications

(17 reference statements)

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“…Campbell et al (2010) found that feral swine core and home range sizes did not differ before and after aerial gunning in Texas; however, movement rates increased during the gunning phase. Although this removal activity was only applied once to collared feral swine, these findings support our first removal activity results.…”

Section: Discussionmentioning

confidence: 83%

“…Hunting with dogs has been used to reduce feral swine populations around the world (Katahira et al 1993;Maillard and Fournier 1995;Parkes et al 2010) and is a popular recreational activity in the USA (Dickson et al 2003). Rapid eradication of feral swine can also be achieved through aerial shooting (Hone 1983;Choquenot et al 1999;Parkes et al 2010), although success is impacted by overstory vegetation types and ability to locate feral swine (West et al 2009;Campbell et al 2010;Massei et al 2011).…”

Section: Introductionmentioning

confidence: 99%

“…Similarly, wild boar driven with dogs in northern Germany escaped without leaving their established home ranges (Sodeikat and Pohlmeyer 2003). Aerial shooting has also been determined to have little effect on space use and movement distances of feral swine in Australia (Dexter 1996) and the USA (Campbell et al 2010).…”

Section: Introductionmentioning

confidence: 99%

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Effects of simulated removal activities on movements and space use of feral swine

et al. 2016

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Abundance and distribution of feral swine (Sus scrofa) in the USA have increased dramatically during the last 30 years. Effective measures are needed to control and eradicate feral swine populations without displacing animals over wider areas. Our objective was to investigate effects of repeated simulated removal activities on feral swine movements and space use. We analyzed location data from 21 feral swine that we fitted with Global Positioning System harnesses in southern MO, USA. Various removal activities were applied over time to eight feral swine before lethal removal, including trapped-and-released, chased with dogs, chased with hunter, and chased with helicopter. We found that core space-use areas were reduced following the first removal activity, whereas overall space-use areas and diurnal movement distances increased following the second removal activity. Mean geographic centroid shifts did not differ between pre-and postperiods for either the first or second removal activities. Our information on feral swine movements and space use precipitated by human removal activities, such as hunting, trapping, and chasing with dogs, helps fill a knowledge void and will aid wildlife managers. Strategies to optimize management are needed to reduce feral swine populations while preventing enlarged home ranges and displacing individuals, which could lead to increased disease transmission risk and human-feral swine conflict in adjacent areas.

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Section: Discussionmentioning

confidence: 83%

Section: Introductionmentioning

confidence: 99%

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Effects of simulated removal activities on movements and space use of feral swine

et al. 2016

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“…The distance range around each piggery for this sampling activity was based on documented feral pig home ranges (Saunders and Kay 1996, Dexter 1999, Mitchell and others 2009). Aerial shooting occurred two months prior to commencement of trapping, and was likely to have only minimal short-term impact on the remaining feral pig population (Campbell and others 2010). The remainder was trapped within 5 km of either piggery (n=50) using swing door box pig traps (BLASK Engineering, Australia), and then 43 were shot and seven collared and released.…”

Section: Methodsmentioning

confidence: 99%

Pathogen presence in feral pigs and their movement around two commercial piggeries in Queensland, Australia

et al. 2014

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Feral pigs are wild animal reservoirs of infectious pathogens transmissible to other species, all of which are transmissible to domestic pigs. The objective of this study was to detect the presence of harmful production-limiting pathogens; Brucella suis, Leptospira species, Lawsonia intracellularis, Mycoplasma hyopneumoniae and Actinobacillus pleuropneumoniae in a feral pig population within a 10 km radius of two large-scale commercial piggeries in Southern Queensland, Australia. The movement pattern of six pigs within the feral population was also investigated using geographic positioning system collars. All pathogens were present in the feral pig population except for A pleuropneumoniae. The true seroprevalence (TP) from 83 serum samples was 10.5 per cent for B suis, 48.6 per cent for Leptospira species, 100 per cent for L intracellularis and 42.1 per cent for M hyopneumoniae. Of 72 lung samples, 27.6 per cent were positive for M hyopneumoniae. Serum samples from 86 domestic sows within the study region were positive for Leptospira species (TP 2.1 per cent), L intracellularis (TP 100 per cent) and M hyopneumoniae (TP 100 per cent). The majority of feral pig movement was within 5 km of the piggeries, with one approaching to 100 m of the free-range piggery. The presence of pathogens in feral pigs in such close proximity to commercial piggeries could pose a biosecurity risk.

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“…Despite high levels of curiosity in domestic pigs (Wood-Gush and Vestergaard 1991;Kittawornrat and Zimmerman 2011), wild pigs are highly sensitive to changes in their environment and often alter their behaviors in response to new objects (Muir and McEwen 2007;Campbell et al 2010). Additionally, commonly used attractants (e.g., corn) oftentimes appeal to non-target species resulting in increased costs and missed opportunity (e.g., tripped traps).…”

Section: Introductionmentioning

confidence: 99%

Attractants for wild pigs: current use, availability, needs, and future potential

et al. 2017

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Populations of wild pigs (Sus scrofa) are burgeoning around the globe, and they are currently the target of extensive research and management efforts. Wild pigs are a highly successful invasive species that cause extensive damage to agriculture and native plant and animal communities. Lethal control is the most common management strategy used to reduce wild pig populations and their damage, and many lethal strategies rely on luring wild pigs to a specific location. Most commonly, a food commodity such as corn or maize (Zea mays) is used for attracting wild pigs to a site, but baiting with food is sometimes prohibited under wildlife laws, and visitation can be variable due to availability of alternative foods, level of harassment by humans, and acceptance of novel food source, devices, and activity. Wild pigs are highly adaptable with refined senses that enable them to interact with their environment and conspecifics in a complex manner. Wild and domestic pigs share keen senses, though differences exist due to suppressed stimuli, evolutionary gains and losses, or other factors related to needs for survival and fitness. Wild pigs routinely rely on acute olfaction to locate food, detect predators, and communicate with conspecifics. A pig's sense of taste is also considered to be refined and more acute than that of humans. An abundance of evaluations regarding various attractants for wild pigs has been conducted over the last several decades; yet, a scarcity of conclusive results on which attractants to use when and where still exists. As such, we undertook a comprehensive review of available information on potential attractants that could be used to aid management strategies of wild pigs such as hunting/shooting, trapping, pharmaceutical delivery, or density estimation. To complete this review, we assimilated and synthesized the most relevant literature, provide recommendations, and identify attractant evaluation needs for the enhancement of the global management of wild pigs.

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Feral Swine Behavior Relative to Aerial Gunning in Southern Texas

Cited by 45 publications

References 17 publications

Effects of simulated removal activities on movements and space use of feral swine

Effects of simulated removal activities on movements and space use of feral swine

Pathogen presence in feral pigs and their movement around two commercial piggeries in Queensland, Australia

Attractants for wild pigs: current use, availability, needs, and future potential

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