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Articles 1 - 4 of 4
Full-Text Articles in Physiology
Fertility Control Options For Management Of Free-Roaming Horse Populations, Ursula S. Bechert, John W. Turner Jr., Dan L. Baker, Douglas C. Eckery, Jason E. Bruemmer, Candace C. Lyman, Tulio M. Prado, Sarah R. B. King, Mark A. Fraker
Fertility Control Options For Management Of Free-Roaming Horse Populations, Ursula S. Bechert, John W. Turner Jr., Dan L. Baker, Douglas C. Eckery, Jason E. Bruemmer, Candace C. Lyman, Tulio M. Prado, Sarah R. B. King, Mark A. Fraker
Human–Wildlife Interactions
The management of free-roaming horses (Equus ferus) and burros (E. asinus) in the United States has been referred to as a “wicked problem” because, although there are population control options, societal values will ultimately determine what is acceptable and what is not. In the United States, free-roaming equids are managed by different types of organizations and agencies, and the landscapes that these animals inhabit vary widely in terms of access, size, topography, climate, natural resources, flora, and fauna. This landscape diversity, coupled with contemporary socioeconomic and political environments, means that adaptive management practices are needed to …
Twenty Years Of Spayvac® Research: Potential Implications For Regulating Feral Horse And Burro Populations In The United States, Ursula S. Bechert, Mark A. Fraker
Twenty Years Of Spayvac® Research: Potential Implications For Regulating Feral Horse And Burro Populations In The United States, Ursula S. Bechert, Mark A. Fraker
Human–Wildlife Interactions
There are currently >75,000 feral horses (Equus ferus caballus) and burros (E. asinus ) on U.S. public lands, yet the Appropriate Management Level (AML) is set at just under 27,000. Wildlife managers, conservation biologists, and livestock ranchers are concerned about the impacts that these free-ranging horses have on shared rangelands. Immunocontraceptive vaccines may have the greatest potential to regulate horse population numbers once AML is reached; however, the vaccine must have multi-year efficacy to be both technically feasible and cost-effective. Immunocontraception based on porcine zona pellucida (PZP)-specific antigens is highly tissue-specific, targeting the ova, and blocking sperm binding through antibody …
Consequences Of Porcine Zona Pellucida Immunocontraception To Feral Horses, Cassandra M.V. Nuñez
Consequences Of Porcine Zona Pellucida Immunocontraception To Feral Horses, Cassandra M.V. Nuñez
Human–Wildlife Interactions
Porcine zona pellucida (PZP) immunocontraception was developed to provide a more humane, effective, and inexpensive method of population regulation for wildlife species. It has been used to regulate populations of several species including white tailed deer (Odocoileus virginianus), elk (Cervus elaphus ), black bear (Ursus americanus ), and the feral horse (Equus ferus caballus) with varying levels of success. Early studies on Assateague Island National Seashore, Maryland, USA, suggested PZP was as an ideal form of fertility control because it reduced the likelihood of conception to
Physiological Responses In Reindeer To The Application Of A Conducted Electrical Weapon, Camilla L. Lieske, Kimberlee B. Beckmen, Larry L. Lewis
Physiological Responses In Reindeer To The Application Of A Conducted Electrical Weapon, Camilla L. Lieske, Kimberlee B. Beckmen, Larry L. Lewis
Human–Wildlife Interactions
Conducted Electrical Weapons (CEWs) have potential as effective alternatives to chemical restraint for short-term non-routine capture and handling as well as aversion hazing of wildlife. To assess immediate and delayed physiologic effects of exposure to a CEW, we assigned 15 captive reindeer (Rangifer tarandus tarandus) to one of three treatment groups: immobilized with carfentanil and xylazine (CX), 10 second exposure to a CEW, or exposure to the CEW while immobilized with CX (CEW+CX). Blood samples were collected pre-treatment, immediately post-intervention, 10 min, 20 min, 4 hours, and 24 hours post-intervention. Physiologic effects were evaluated by analysis of blood, …