Regional variation in demographics, reproduction, and body mass growth rates of wild pigs: Implications for population control DOI
Nathan P. Snow, Kelly Koriakin, Michael J. Lavelle

и другие.

Journal of Wildlife Management, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 26, 2024

Abstract Wild pigs are a destructive invasive species throughout many regions of the world and have proven difficult to control or eliminate. Their success as an is, in part, from their high reproductive potential, which can vary based on available resources, ancestry, other factors. We opportunistically collected data demographics (i.e., age sex), reproduction, body mass 2,762 wild various research operation activities Texas, Alabama, Hawai'i, Guam (USA), Queensland (Australia) during 2016–2024. evaluated these for differences among study sites that might lead better understanding pig ecology more effective populations. found structures varied greatly sites, with areas intense having younger The timing frequency birth pulses also by site. Large disparities populations demonstrated elasticities invaded ranges; example, Alabama site had mostly young population fast growth rates 2 discernable per year, whereas older slow indistinguishable pulse. hypothesized may increase reproduction females through increased subsequent maturity. recommend managers identify seasonal region, then intensively focus removing 115 days gestation period) prior those pulses. This be counterintuitive trapping after observing pulse, but it increases probability simultaneously pregnant any associated offspring previous litters remained female. evaluating regional‐specific intensities removal required reducing specific emphasis whether compensatory behaviors generated how avoid them.

Язык: Английский

Molecular Mechanism of VSV-Vectored ASFV Vaccine Activating Immune Response in DCs DOI Creative Commons
Yunyun Ma,

Junjun Shao,

Wei Liu

и другие.

Veterinary Sciences, Год журнала: 2025, Номер 12(1), С. 36 - 36

Опубликована: Янв. 9, 2025

The vesicular stomatitis virus (VSV)-vectored African swine fever (ASFV) vaccine can induce efficient immune response, but the potential mechanism remains unsolved. In order to investigate efficacy of recombinant viruses (VSV-p35, VSV-p72)-mediated dendritic cells (DCs) maturation and inducing T-cell functional effects on DC activation target antigens presentation were explored in this study. results showed that surface-marked molecules (CD80, CD86, CD40, MHC-II) secreted cytokines (IL-4, TNF-α, IFN-γ) highly expressed virus-infected DCs. addition, co-culture virus-treated DCs with naive T Th1- Th17-type responses effectively activated. Taken together, study indicated VSV-vectored ASFV activated which provided a theoretical basis for development novel ASF vaccines.

Язык: Английский

Процитировано

0

Toxic Baits as a Strategy for Controlling Invasive Wild Pigs: Acceptability Among Crop Producers DOI Creative Commons
Molly R. Selleck, Levi Altringer, Sophie C. McKee

и другие.

Agriculture, Год журнала: 2025, Номер 15(6), С. 572 - 572

Опубликована: Март 7, 2025

Wild pigs (Sus scrofa) have become a pervasive issue in the United States, causing significant damage to agricultural lands and ecosystems. Toxic baits been developed as potential management tool. This study evaluates acceptability of toxic bait usage among U.S. crop producers explores influential factors respondent attitudes. Using data from survey 11 states, we found that 59.6% respondents somewhat or completely agreed use their state was acceptable, 71.4% they would be comfortable using if were experiencing problem with wild pigs. Regression model results revealed larger operations vulnerable crops more likely find acceptable. Producers who generated income pig hunting on land tended less accepting, while those other species accepting. These findings suggest is shaped by various economic, operational, demographic but there demand high-value facing problem.

Язык: Английский

Процитировано

0

Comparing shotshell characteristics to optimize aerial removal of wild pigs (Sus scrofa) DOI
Michael J. Lavelle, Nathan P. Snow, Bryan M. Kluever

и другие.

Wildlife Research, Год журнала: 2025, Номер 52(4)

Опубликована: Март 17, 2025

Context As invasive wild pigs (Sus scrofa) expand throughout North America, wildlife managers are increasingly tasked with implementing strategies for alleviating their damage to anthropogenic and natural resources. Aims Aerial operations, such as shooting from helicopters, now commonly used controlling pig populations in the USA. operators interested identifying more effective tools, choke tubes ammunition that produce best animal welfare outcomes reduce number of shots required, while determining maximum shot distances. A strategic approach evaluating shotshell firearm options aerial operations can help understand performance adjust techniques accordingly maximize lethality at various Methods We evaluated pellet patterns ballistics shotshells developed a strategy predicting field increasing Key results found distance target type had strongest effects on lethality, probability vital impact declining distances increased pellets per decreased. also penetration decreased increased; however, heavier were less affected. Conclusions Limiting selection important factors optimizing operations. Specifically, we recommend 00 buckshot ≥12 situations where ≤46 m. None tested performed well longer (i.e. <0.50 lethal hit lower penetration). Implications This research has described perfunctory comparative evaluation optimize pigs. Utilizing enhance abilities an operator establish limitations improve efficiencies outcomes.

Язык: Английский

Процитировано

0

Trap evaluation to optimize wild pig removal efforts in remote settings DOI
Michael J. Lavelle, Nathan P. Snow,

Michael P. Glow

и другие.

Wildlife Research, Год журнала: 2025, Номер 52(4)

Опубликована: Апрель 8, 2025

Context Invasive wild pigs (Sus scrofa) are the most abundant, widespread, and economically significant large vertebrate established in Hawaiian Islands. Owing to their generalist diet rooting behavior, alter soils watersheds, negatively affecting native biota. Aims Lethal removal of by trapping is often effective practical management action reduce impacts, but terrain access challenging. Methods We compared effectiveness efficiency three trap designs (i.e. corral, box, passive net traps) on a fenced population remote montane forest setting Island Hawai‘i, where use cellular-activated ‘smart’ traps was not possible. Key results During high-intensity efforts between 30 November 2021 8 May 2022, we trapped euthanized 435 through 162 events. Although each type effectively captured pigs, more per capture event than did corral box traps. Specifically, when using traps, approximately four event, which two times with respectively. Passive were efficient although they performed similarly Conclusions All types tested successfully typically traditional Net valuable addition strategies. Implications In rugged settings smart technology cannot be used, recommend incorporating into program optimize pigs.

Язык: Английский

Процитировано

0

Regional variation in demographics, reproduction, and body mass growth rates of wild pigs: Implications for population control DOI
Nathan P. Snow, Kelly Koriakin, Michael J. Lavelle

и другие.

Journal of Wildlife Management, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 26, 2024

Abstract Wild pigs are a destructive invasive species throughout many regions of the world and have proven difficult to control or eliminate. Their success as an is, in part, from their high reproductive potential, which can vary based on available resources, ancestry, other factors. We opportunistically collected data demographics (i.e., age sex), reproduction, body mass 2,762 wild various research operation activities Texas, Alabama, Hawai'i, Guam (USA), Queensland (Australia) during 2016–2024. evaluated these for differences among study sites that might lead better understanding pig ecology more effective populations. found structures varied greatly sites, with areas intense having younger The timing frequency birth pulses also by site. Large disparities populations demonstrated elasticities invaded ranges; example, Alabama site had mostly young population fast growth rates 2 discernable per year, whereas older slow indistinguishable pulse. hypothesized may increase reproduction females through increased subsequent maturity. recommend managers identify seasonal region, then intensively focus removing 115 days gestation period) prior those pulses. This be counterintuitive trapping after observing pulse, but it increases probability simultaneously pregnant any associated offspring previous litters remained female. evaluating regional‐specific intensities removal required reducing specific emphasis whether compensatory behaviors generated how avoid them.

Язык: Английский

Процитировано

1