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Full-Text Articles in Physical Sciences and Mathematics

Home Range And Movement Charactersistics Of Female White-Tailed Deer At Desoto National Wildlife Refuge, Kurt C. Vercauteren Dec 1993

Home Range And Movement Charactersistics Of Female White-Tailed Deer At Desoto National Wildlife Refuge, Kurt C. Vercauteren

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Remotely Delivered Contraception With Needle-Less Norgestomet Implants, Darrel J. Kesler Oct 1993

Remotely Delivered Contraception With Needle-Less Norgestomet Implants, Darrel J. Kesler

Contraception in Wildlife Management

A remotely delivered contraceptive was developed that suppressed estrus and prevented pregnancy in deer with 100-percent efficacy. This contraceptive utilized norgestomet, a potent progestin that is approved by the Food and Drug Administration (FDA) for use in cattle. Although the needle-less norgestomet implant is not FDA approved for use in deer, it is safe for treated animals, humans, and the environment. The remote delivery of this implant can be accomplished up to 40 m away and causes minimal tissue damage and stress if administered properly. Because of its ease, its simplicity of delivery, and the control it provides for proper …


Research And Field Applications Of Contraceptives In White-Tailed Deer, Feral Horses, And Mountain Goats, Robert J. Warren, Richard A. Fayrer-Hosken, Lisa I. Muller, L. Paige Willis, Robin B. Goodloe Oct 1993

Research And Field Applications Of Contraceptives In White-Tailed Deer, Feral Horses, And Mountain Goats, Robert J. Warren, Richard A. Fayrer-Hosken, Lisa I. Muller, L. Paige Willis, Robin B. Goodloe

Contraception in Wildlife Management

This paper reviews our applications of long-acting implantable steroids and immunocontraceptives in selected wild ungulates. We implanted captive white-tailed deer does with levonorgestrel but did not successfully prevent conception. We also evaluated antisperm immunocontraceptives delivered remotely via biobullet. Does immunized with plasma membrane proteins isolated from deer or porcine sperm showed persistence of antisperm antibody titers for 5 months, but these titers did not cause infertility. Our research also has included applications via biobullet or antigonadotropin-releasing hormone (GnRH), antisperm, and antiporcine zona pellucida (ZP) vaccines in female horses. Although the biobullet was effective in delivering immunocontraceptives at distances of ≤ …


Deer Damage In Tennessee: Landowner Perceptions And Attitudes, Michael M. King Oct 1993

Deer Damage In Tennessee: Landowner Perceptions And Attitudes, Michael M. King

Sixth Eastern Wildlife Damage Control Conference (1993)

Survey results suggest that the most common perception among Tennessee landowners is that during the last five years the white-tailed deer population has increased. Over 43% of survey respondents indicated that they felt there are more deer now than five years ago. However, in spite of the general agreement that the deer population has increased, less than 20% of the respondents indicated that there was more damage now than five years ago. When asked about amount of damage they had experienced from deer during the last year, 67.3% answered that they had experienced no damage while 32.6% incurred some damage …


The Applicability And Biopolitics Of Contraceptive Techniques For Deer Management, Robert J. Warren, Lisa M. White Oct 1993

The Applicability And Biopolitics Of Contraceptive Techniques For Deer Management, Robert J. Warren, Lisa M. White

Sixth Eastern Wildlife Damage Control Conference (1993)

While regulated public hunting or controlled lethal reduction programs are effective in controlling white-tailed deer (Odocoileus virginianus), populations in most areas, increasingly there are settings (e.g., urban and suburban environments) where such programs are either unsafe or publicly unacceptable. Past research with contraceptive techniques in deer have shown these techniques to be either ineffective or infeasible for managerial implementation. Current research with immunocontraceptives show promise as being both effective and feasible for field application. Immunocontraceptive vaccines can be delivered remotely and are highly effective in causing infertility in most treated does. Much more research is needed before these techniques can …


Impact Of Clearcut Size On White-Tailed Deer Use And Tree Regeneration, James W. Akins, Edwin D. Michael Oct 1993

Impact Of Clearcut Size On White-Tailed Deer Use And Tree Regeneration, James W. Akins, Edwin D. Michael

Sixth Eastern Wildlife Damage Control Conference (1993)

Northeastern forests have experienced regeneration delays and/or failures due to browsing by white-tailed deer (Odocoileus virginianus). Investigations were made in north-central West Virginia to determine if the size of clearcut is correlated with degree of deer browsing, regeneration of shrubs and trees, and percent ground cover by various herbaceous plants. Tree seedlings, woody shrubs, and herbaceous ground cover were recorded in September 1992 and August 1993 on 16, 1-year-old clearcuts, ranging in size from 0.8 to 0.2 ha. Woody regeneration was categorized by species, origin, browsed or not, and vegetative height class on 25 systematically arranged sampling stations within each …