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Full-Text Articles in Life Sciences

Characteristics Of White-Tailed Deer Visits To Cattle Farms: Implications For Disease Transmission At The Wildlife-Livestock Interface, Are R. Berentsen, Ryan S. Miller, Regina Misiewicz, Jennifer L. Malmberg, Mike R. Dunbar Aug 2013

Characteristics Of White-Tailed Deer Visits To Cattle Farms: Implications For Disease Transmission At The Wildlife-Livestock Interface, Are R. Berentsen, Ryan S. Miller, Regina Misiewicz, Jennifer L. Malmberg, Mike R. Dunbar

Other Publications in Zoonotics and Wildlife Disease

Bovine tuberculosis (bTB) is endemic in free-ranging white-tailed deer (Odocoileus virginianus) in MI, USA. Currently, the rates of farm visitation by deer and co-use of forage resources by cattle and deer are poorly understood. To evaluate the extent deer and livestock may share forage resources, we investigated farm, yard, and cattle-use area visitation by white-tailed deer and compared visitation with common livestock management practices. We fitted 25 female white-tailed deer near the bTB-infected zone in Michigan’s Lower Peninsula with global positioning system collars. Livestock management practices associated with farm visitation included presence of confined feeding pastures, number of …


Diseases At The Livestock–Wildlife Interface: Status, Challenges, And Opportunities In The United States, Ryan S. Miller, Mathew L. Farnsworth, Jennifer L. Malmberg Jun 2013

Diseases At The Livestock–Wildlife Interface: Status, Challenges, And Opportunities In The United States, Ryan S. Miller, Mathew L. Farnsworth, Jennifer L. Malmberg

Other Publications in Zoonotics and Wildlife Disease

In the last half century, significant attention has been given to animal diseases; however, our understanding of disease processes and how to manage them at the livestock–wildlife interface remains limited. In this study, we conduct a systematic review of the scientific literature to evaluate the status of diseases at the livestock–wildlife interface in the United States. Specifically, the goals of the literature review were three fold: first to evaluate domestic animal diseases currently found in the United States where wildlife may play a role; second to identify critical issues faced in managing these diseases at the livestock–wildlife interface; and third …


Mycobacterium Bovis (Bovine Tuberculosis) Infection In North American Wildlife: Current Status And Opportunities For Mitigation Of Risks Of Further Infection In Wildlife Populations, Ryan S. Miller, Steven J. Sweeney Jun 2013

Mycobacterium Bovis (Bovine Tuberculosis) Infection In North American Wildlife: Current Status And Opportunities For Mitigation Of Risks Of Further Infection In Wildlife Populations, Ryan S. Miller, Steven J. Sweeney

Other Publications in Zoonotics and Wildlife Disease

Mycobacterium bovis (M. bovis), the causative agent of bovine tuberculosis, has been identified in nine geographically distinct wildlife populations in North America and Hawaii and is endemic in at least three populations, including members of the Bovidae, Cervidae, and Suidae families. The emergence of M. bovis in North American wildlife poses a serious and growing risk for livestock and human health and for the recreational hunting industry. Experience in many countries, including the USA and Canada, has shown that while M. bovis can be controlled when restricted to livestock species, it is almost impossible to eradicate …


Isolation And Genetic Characterization Of Toxoplasma Gondii From Mute Swan (Cygnus Olor) From The Usa, J. P. Dubey, S. Choudhary, O. C. H. Kwok, L.R. Ferreira, S. Oliveira, S.K. Verma, D.R. Marks, K. Pedersen, R.M. Mickley, A.R. Randall, D. Asnoe, C. Su Jan 2013

Isolation And Genetic Characterization Of Toxoplasma Gondii From Mute Swan (Cygnus Olor) From The Usa, J. P. Dubey, S. Choudhary, O. C. H. Kwok, L.R. Ferreira, S. Oliveira, S.K. Verma, D.R. Marks, K. Pedersen, R.M. Mickley, A.R. Randall, D. Asnoe, C. Su

USDA Wildlife Services: Staff Publications

Little is known of the genetic diversity of Toxoplasma gondii circulating in wildlife. In the present study, antibodies to T. gondii were determined in serum samples from 632 mute swans (Cygnus olor) collected from different areas of the USA. Sera were tested by T. gondii modified agglutination test; 54 (8.5%) of 632 samples were seropositive with titers of 25 in 28 sera, 50 in 22 sera, 100 in three samples, and 200 or higher in one swan. Hearts from 14 seropositive swans were bioassayed in mice and viable T. gondii (designated TgSwanUs1–3) were isolated from the hearts of …


State-Level Approaches To Managing The Use Of Contraceptives In Wildlife In The United States, John D. Eisemann, Jeanette R. O'Hare, Kathleen A. Fagerstone Jan 2013

State-Level Approaches To Managing The Use Of Contraceptives In Wildlife In The United States, John D. Eisemann, Jeanette R. O'Hare, Kathleen A. Fagerstone

USDA Wildlife Services: Staff Publications

Several fertility control agents have recently been registered with the U.S. Environmental Protection Agency for management of wildlife or other free-ranging animals. The registration of GonaConTM Immunocontraceptive Vaccine for use in white-tailed deer (Odocoileus virginianus) and OvoControl for use in Canada geese (Branta canadensis) and pigeons (Columba livia) has caused state wildlife and land management agencies to review their regulatory authority over the use of contraceptives in wildlife. As a result, many states are taking steps to ensure legislation or policies are current with emerging technologies. This article examines the various approaches states are taking …