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- Chronic wasting disease (2)
- Foothold traps (2)
- Scours (2)
- White-tailed deer (2)
- <i>Odocoileus hemionus (1)
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- <i>Odocoileus virginianus</i> (1)
- Cervus elaphus nelsoni</i> (1)
- Alphavirus (1)
- Animal welfare (1)
- Bacillus (1)
- Bacterial (1)
- Best practice (1)
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- Bovine (1)
- Buggy Creek virus (1)
- CWD (1)
- Calf (1)
- Calf diarrhea (1)
- Calves (1)
- Canis lupus (1)
- Cattle (1)
- Coloniality (1)
- Colostrum (1)
- Cows (1)
- Disease transmission (1)
- Ecological restoration (1)
- Eradication principles (1)
- Erysipelothrix rhusiopathiae (1)
- Field trial (1)
- Foot injuries (1)
- Publication Year
- Publication
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- United States Department of Agriculture Wildlife Services: Staff Publications (8)
- Zoonotics and Wildlife Disease: Publications (7)
- Nebraska Agricultural Experiment Station: Historical Research Bulletins (2)
- Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications (1)
- Nebraska Agricultural Experiment Station: Historical Circulars (1)
Articles 1 - 20 of 20
Full-Text Articles in Entire DC Network
Oral Rabies Vaccination Of Raccoons (Procyon Lotor) Across A Development Intensity Gradient In Burlington, Vermont, Usa, 2015–2017, Emily M. Beasley, Kathleen M. Nelson, Dennis Slate, Amy T. Gilbert, Frederick E. Pogmore, Richard B. Chipman, Amy J. Davis
Oral Rabies Vaccination Of Raccoons (Procyon Lotor) Across A Development Intensity Gradient In Burlington, Vermont, Usa, 2015–2017, Emily M. Beasley, Kathleen M. Nelson, Dennis Slate, Amy T. Gilbert, Frederick E. Pogmore, Richard B. Chipman, Amy J. Davis
United States Department of Agriculture Wildlife Services: Staff Publications
Management of the raccoon rabies virus variant in North America is conducted primarily using oral rabies vaccination (ORV). When a sufficient proportion of the population is vaccinated (60%), rabies transmission can be eliminated. To date, ORV programs have successfully controlled and eliminated raccoon rabies in rural areas, but there has been less success in urban areas. We studied the proportions of rabies virus neutralizing antibodies (RVNA) in a raccoon (Procyon lotor) population during a 3-year ORV trial in developed areas of Burlington, Vermont, United States. We used a modified N-mixture model to estimate raccoon abundance, RVNA seroprevalence, and …
Foot Injuries In Michigan, Usa, Gray Wolves (Canis Lupus), 1992–2014, Daniel J. O'Brien, Dean E. Beyer Jr., Erin Largent, Julie R. Melotti, Caitlin N. Ott-Conn, Donald H. Lonsway, Thomas M. Cooley, Robert Atkinson, Michelle Clayson, Kelly A. Straka
Foot Injuries In Michigan, Usa, Gray Wolves (Canis Lupus), 1992–2014, Daniel J. O'Brien, Dean E. Beyer Jr., Erin Largent, Julie R. Melotti, Caitlin N. Ott-Conn, Donald H. Lonsway, Thomas M. Cooley, Robert Atkinson, Michelle Clayson, Kelly A. Straka
United States Department of Agriculture Wildlife Services: Staff Publications
The range of gray wolves (Canis lupus) in the contiguous US is expanding. Research and monitoring to support population recovery and management often involves capture via foothold traps. A population-level epidemiologic assessment of the effect of trap injuries on wolf survival remains needed to inform management. We describe the baseline rate, type, and severity of foot injuries of wolves born 1992–2013 in Michigan’s Upper Peninsula, evaluate the reliability of field-scoring trap-related injuries, and the effect of injuries on wolf survival. We assessed foot injuries by physical and radiographic exam at postmortem and/or time of capture for 351 wolves using the …
Factors Leading To Successful Island Rodent Eradications Following Initial Failure, Araceli Samaniego, Peter Kappes, Keith Broome, Steve Cranwell, Richard Griffiths, Grant Harper, Pete Mcclelland, Russell Palmer, Gerard Rocamora, Keith Springer, David Will, Shane Siers
Factors Leading To Successful Island Rodent Eradications Following Initial Failure, Araceli Samaniego, Peter Kappes, Keith Broome, Steve Cranwell, Richard Griffiths, Grant Harper, Pete Mcclelland, Russell Palmer, Gerard Rocamora, Keith Springer, David Will, Shane Siers
United States Department of Agriculture Wildlife Services: Staff Publications
Island rodent eradications are increasingly conducted to eliminate the negative impacts of invasive rodents. The success rate in the tropics has been lower than in temperate regions, triggering research and reviews. Environmental factors unique to the tropics (e.g., land crabs and year-round rodent breeding) have been associated with eradication failure. Operational factors have also been important, but these have not been comprehensively assessed. The environmental and operational factors using global cases where rodent eradication initially failed and subsequent attempts occurred were compared. It was determined whether operational factors explained the initial failures, whether operational improvements explained subsequent successes, and whether …
Welfare Performance Of Three Foothold Traps For Capturing North American River Otters Lontra Canadensis, Matthew J. Lovallo, H. B. White, J. D. Erb, M. S. Peek, Thomas J. Deliberto
Welfare Performance Of Three Foothold Traps For Capturing North American River Otters Lontra Canadensis, Matthew J. Lovallo, H. B. White, J. D. Erb, M. S. Peek, Thomas J. Deliberto
United States Department of Agriculture Wildlife Services: Staff Publications
Foothold traps are effective tools for the live capture and restraint of wildlife for management and research. Successful river otter Lontra canadensis restoration programs throughout North America used them extensively. Restoration programs used a variety of methods and models of foothold traps, but comprehensive efforts to describe and quantify injuries associated with river otter captures have been limited. We evaluated injuries of river otters caught in three commercially available models of foothold traps including the number 11 double long-spring with standard jaws, the number 11 double long-spring with double jaws, and the number 2 coil-spring trap. Based on examinations of …
Occurrence Of Mesocarnivores In Montane Sky Islands: How Spatial And Temporal Overlap Informs Rabies Management In A Regional Hotspot, Amanda M. Veals, John Koprowski, David L. Bergman, Kurt C. Vercauteren, David B. Wester
Occurrence Of Mesocarnivores In Montane Sky Islands: How Spatial And Temporal Overlap Informs Rabies Management In A Regional Hotspot, Amanda M. Veals, John Koprowski, David L. Bergman, Kurt C. Vercauteren, David B. Wester
United States Department of Agriculture Wildlife Services: Staff Publications
Interspecific interactions among mesocarnivores can influence community dynamics and resource partitioning. Insights into these interactions can enhance understanding of local ecological processes that have impacts on pathogen transmission, such as the rabies lyssavirus. Host species ecology can provide an important baseline for disease management strategies especially in biologically diverse ecosystems and heterogeneous landscapes. We used a mesocarnivore guild native to the southwestern United States, a regional rabies hotspot, that are prone to rabies outbreaks as our study system. Gray foxes (Urocyon cinereoargenteus), striped skunks (Mephitis mephitis), bobcats (Lynx rufus), and coyotes (Canis latrans) share large portions of their geographic ranges …
Conflict, Coexistence, Or Both? Cougar Habitat Selection, Prey Composition, And Mortality In A Multiple-Use Landscape, David C. Stoner, Mark A. Ditmer, Dustin L. Mitchell, Julie K. Young, Michael L. Wolfe
Conflict, Coexistence, Or Both? Cougar Habitat Selection, Prey Composition, And Mortality In A Multiple-Use Landscape, David C. Stoner, Mark A. Ditmer, Dustin L. Mitchell, Julie K. Young, Michael L. Wolfe
United States Department of Agriculture Wildlife Services: Staff Publications
Western North America is experiencing remarkable human population growth and land-use change. Irrigation and associated cultivation have led to colonization of urban-wildland interface (UWI) environments by mule deer (Odocoileus hemionus), and consequently, cougars (Puma concolor). In the wake of these changes, human-wildlife conflicts have increased in tandem with questions about long-term species conservation. To address these concerns, we fit 79 cougars with radio-telemetry collars in the Oquirrh Mountains near Salt Lake City, Utah (2002–2010). Our goal was to evaluate variation in cougar habitat selection, diet, and cause-specific mortality in a landscape dominated by urban, military, and industrial activities. We used …
Hawaii As A Microcosm: Advancing The Science And Practice Of Managing Introduced And Invasive Species, Liba Pejchar, Christopher A. Lepczyk, Jean E. Fantle-Lepczyk, Steven C. Hess, M. Tracy Johnson, Christina R. Leopold, Michael Marchetti, Katherine M. Mcclure, Aaron B. Shiels
Hawaii As A Microcosm: Advancing The Science And Practice Of Managing Introduced And Invasive Species, Liba Pejchar, Christopher A. Lepczyk, Jean E. Fantle-Lepczyk, Steven C. Hess, M. Tracy Johnson, Christina R. Leopold, Michael Marchetti, Katherine M. Mcclure, Aaron B. Shiels
United States Department of Agriculture Wildlife Services: Staff Publications
Invasive species are a leading driver of global change, with consequences for biodiversity and society. Because of extraordinary rates of endemism, introduction, and extinction, Hawaii offers a rich platform for exploring the cross-disciplinary challenges of managing invasive species in a dynamic world. We highlight key successes and shortcomings to share lessons learned and inspire innovation and action in and beyond the archipelago. We then discuss thematic challenges and opportunities of broad relevance to invaded ecosystems and human communities. Important research needs and possible actions include eradicating mammals from mainland island sanctuaries, assessing hidden threats from poorly known introduced species, harnessing …
Potential Role Of Wildlife In The Usa In The Event Of A Foot-And-Mouth Disease Virus Incursion, Vienna R. Brown, Sarah N. Bevins
Potential Role Of Wildlife In The Usa In The Event Of A Foot-And-Mouth Disease Virus Incursion, Vienna R. Brown, Sarah N. Bevins
United States Department of Agriculture Wildlife Services: Staff Publications
Foot-and-mouth disease (FMD) is caused by foot-and-mouth disease virus (FMDV) which affects domestic and wild cloven-hoofed species. The FMD-free status of the USA and the tremendous economic impact of a virus incursion motivated the development of this evaluation of the potential role of wildlife in the event of a virus introduction. Additionally, this manuscript contains a summary of US vulnerabilities for viral incursion and persistence which focuses specifically on the possible role of wildlife. The legal movement of susceptible live animals, animal products, by-products and animal feed containing animal products pose a risk of virus introduction and spread. Additionally, the …
Experimental Transmission Of Chronic Wasting Disease (Cwd) Of Elk (Cervus Elaphus Nelsoni), White-Tailed Deer (Odocoileus Virginianus), And Mule Deer (Odocoileus Hemionus Hemionus) To White-Tailed Deer By Intracerebral Route, A. N. Hamir, J. A. Richt, J. M. Miller, R. A. Kunkle, S. M. Hall, E. M. Nicholson, Katherine I. O'Rourke, J. J. Greenlee, E. S. Williams
Experimental Transmission Of Chronic Wasting Disease (Cwd) Of Elk (Cervus Elaphus Nelsoni), White-Tailed Deer (Odocoileus Virginianus), And Mule Deer (Odocoileus Hemionus Hemionus) To White-Tailed Deer By Intracerebral Route, A. N. Hamir, J. A. Richt, J. M. Miller, R. A. Kunkle, S. M. Hall, E. M. Nicholson, Katherine I. O'Rourke, J. J. Greenlee, E. S. Williams
Zoonotics and Wildlife Disease: Publications
To compare clinical and pathologic findings of chronic wasting disease (CWD) in a natural host, 3 groups (n = 5) of white-tailed deer (WTD) fawns were intracerebrally inoculated with a CWD prion of WTD, mule deer, or elk origin. Three other uninoculated fawns served as controls. Approximately 10 months postinoculation (MPI), 1 deer from each of the 3 inoculated groups was necropsied and their tissues were examined for lesions of spongiform encephalopathy (SE) and for the presence of abnormal prion protein (PrPd) by immunohistochemistry (IHC) and Western blot (WB). The remaining deer were allowed to live until …
Protostrongylid Parasites And Pneumonia In Captive And Wild Thinhorn Sheep (Ovis Dalli), Emily J. Jenkins, A. M. Veitch, Susan J. Kutz, T. K. Bollinger, J. M. Chirino-Trejo, B. T. Elkin, K. H. West, Eric P. Hoberg, L. Polley
Protostrongylid Parasites And Pneumonia In Captive And Wild Thinhorn Sheep (Ovis Dalli), Emily J. Jenkins, A. M. Veitch, Susan J. Kutz, T. K. Bollinger, J. M. Chirino-Trejo, B. T. Elkin, K. H. West, Eric P. Hoberg, L. Polley
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
We describe health significance of protostrongylid parasites (Parelaphostrongylus odocoilei and Protostrongylus stilesi) and other respiratory pathogens in more than 50 naturally infected Dall’s sheep (Ovis dalli dalli) from the Mackenzie Mountains, Northwest Territories (1998–2002) as well as in three Stone’s sheep (O. d. stonei) experimentally infected with P. odocoilei (2000–2002). Histological lesions in the brain and distribution of P. odocoilei in the muscles of experimentally and naturally infected sheep were consistent with a previously hypothesized ‘‘central nervous system to muscle’’ pattern of migration for P. odocoilei. Dimensions of granulomas associated with eggs of …
West Nile Virus Blood Transfusion-Related Infection Despite Nucleic Acid Testing, Alexandre Macedo De Oliveira, Brady Beecham, Susan P. Montgomery, Robert S. Lanciotti, Jeffrey M. Linnen, Cristina Giachetti, Larry A. Pietrelli, Susan L. Stramer, Thomas J. Safranek
West Nile Virus Blood Transfusion-Related Infection Despite Nucleic Acid Testing, Alexandre Macedo De Oliveira, Brady Beecham, Susan P. Montgomery, Robert S. Lanciotti, Jeffrey M. Linnen, Cristina Giachetti, Larry A. Pietrelli, Susan L. Stramer, Thomas J. Safranek
Zoonotics and Wildlife Disease: Publications
BACKGROUND: A case of West Nile virus (WNV) encephalitis associated with transfusion of blood that did not react when tested for WNV by minipool (MP) nucleic acid testing (NAT) is described. A Nebraska man developed clinical encephalitis 13 days after surgery and transfusion of 26 blood components. Antibody testing confirmed WNV infection. An investigation was initiated to determine the source of this infection.
STUDY DESIGN AND METHODS: The patient’s family members were interviewed to identify risk factors for WNV infection. Residual samples were retested for WNV RNA using transcription-mediated amplification (TMA) assay and two polymerase chain reaction (PCR) assays. Blood …
Arbovirus Infection Increases With Group Size, Charles R. Brown, Nicholas Komar, Sunita B. Quick, Rajni A. Sethi, Nicholas A. Panella, Mary Bromberger Brown, Martin Pfeffer
Arbovirus Infection Increases With Group Size, Charles R. Brown, Nicholas Komar, Sunita B. Quick, Rajni A. Sethi, Nicholas A. Panella, Mary Bromberger Brown, Martin Pfeffer
Zoonotics and Wildlife Disease: Publications
Buggy Creek (BCR) virus is an arthropod-borne alphavirus that is naturally transmitted to its vertebrate host the cliff swallow (Petrochelidon pyrrhonota) by an invertebrate vector, namely the cimicid swallow bug (Oeciacus vicarius). We examined how the prevalence of the virus varied with the group size of both its vector and host. The study was conducted in southwestern Nebraska where cliff swallows breed in colonies ranging from one to 3700 nests and the bug populations at a site vary directly with the cliff swallow colony size. The percentage of cliff swallow nests containing bugs infected with BCR …
Quarantine And Health Screening Protocols For Wildlife Prior To Translocation And Release Into The Wild, Michael H. Woodford
Quarantine And Health Screening Protocols For Wildlife Prior To Translocation And Release Into The Wild, Michael H. Woodford
Zoonotics and Wildlife Disease: Publications
In recent years the translocation and release into the wild of wild-caught and captive-bred wild animals (mammals, birds, reptiles, amphibians and fish) has become a common practice, ostensibly for rehabilitation or conservation purposes. These wild animals comprise many varied taxa and the objectives of translocation and release may include:
(1) reintroducing a species that has become extinct in its natural range;
(2) restocking or reinforcing a population which has become depleted; and
(3) rehabilitating wild animals and birds which have been illegally captured and subsequently confiscated by Customs or national wildlife authorities. Welfare organizations also receive sick and injured wild …
Mortality In Serologically Unconfirmed Mediterranean Spotted Fever [With Reply], Pablo Yagupsky, Christopher D. Paddock, James E. Childs, Sherif R. Zaki, Stephen A. Berger
Mortality In Serologically Unconfirmed Mediterranean Spotted Fever [With Reply], Pablo Yagupsky, Christopher D. Paddock, James E. Childs, Sherif R. Zaki, Stephen A. Berger
Zoonotics and Wildlife Disease: Publications
I read with interest the article by Paddock et al. [1], who described the detection of occult mortality due to Rocky Mountain spotted fever (RMSF) by demonstrating Rickettsia rickettsii antigens or DNA in blood and tissues. In Mediterranean countries, including Israel, spotted fever is caused by members of the R. conorii complex, which are antigenically related to R. rickettsii. ...
To the Editor -- We appreciate the comments by Yagupsky, which underscore several of the salient features of spotted fever- group rickettsial infections that we emphasized in our report [2]. For patients, diagnosticians, and clinicians faced with the potentially tragic …
Chemical Toxins (Field Manual Of Wildlife Diseases), Milton Friend
Chemical Toxins (Field Manual Of Wildlife Diseases), Milton Friend
Zoonotics and Wildlife Disease: Publications
Many kinds of potentially harmful chemicals are found in environments used by wildlife. Some chemicals, such as pesticides and polychlorinated biphenyls (PCBs), are synthetic compounds that may become environmental contaminants through their use and application. Other materials, such as selenium and salt, are natural components of some environments, but contaminants of others. Natural and synthetic materials may cause direct poisoning and death, but they also may have adverse effects on wildlife that impair certain biological systems, such as the reproductive and immune systems. This section provides information about some of the environmental contaminants and natural chemicals that commonly cause avian …
Spongiform Encephalopathy In Free-Ranging Mule Deer (Odocoileus Hemionus), White-Tailed Deer (Odocoileus Virginianus) And Rocky Mountain Elk (Cervus Elaphus Nelsoni) In Northcentral Colorado, T. R. Spraker, M. W. Miller, E. S. Williams, D. M. Getzy, W. J. Adrian, G. G. Schoonveid, R. A. Spowart, Katherine I. O'Rourke, J. M. Miller, P. A. Merz
Spongiform Encephalopathy In Free-Ranging Mule Deer (Odocoileus Hemionus), White-Tailed Deer (Odocoileus Virginianus) And Rocky Mountain Elk (Cervus Elaphus Nelsoni) In Northcentral Colorado, T. R. Spraker, M. W. Miller, E. S. Williams, D. M. Getzy, W. J. Adrian, G. G. Schoonveid, R. A. Spowart, Katherine I. O'Rourke, J. M. Miller, P. A. Merz
Zoonotics and Wildlife Disease: Publications
Between March 1981 and June 1995, a neurological disease characterized histologically by spongiform encephalopathy was diagnosed in 49 free-ranging cervids from northcentral Colorado (USA). Mule deer (Odocoileus hemionus) were the primary species affected and accounted for 41(84%) of the 49 cases, but six Rocky Mountain elk (Cereus elaphus nelsoni) and two white-tailed deer (Odocoileus virginianus) were also affected. Clinical signs included emaciation, excessive salivation, behavioral changes, ataxia, and weakness. Emaciation with total loss of subcutaneous and abdominal adipose tissue and serous atrophy of remaining fat depots were the only consistent gross findings. Spongiform encephalopathy …
Calf Diarrhea (Scours): Reproduced With A Virus From A Field Outbreak, C. A. Mebus, N. R. Underdahl, M. B. Rhodes, M. J. Twiehaus
Calf Diarrhea (Scours): Reproduced With A Virus From A Field Outbreak, C. A. Mebus, N. R. Underdahl, M. B. Rhodes, M. J. Twiehaus
Nebraska Agricultural Experiment Station: Historical Research Bulletins
Neonatal calf diarrhea typical of that seen in field cases was produced in colostrum-deprived calves by inoculating either feces or bacteria-free filtrates via the duodenum, orally, or by a spray (aerosol). Three calves, kept free of E. coli, developed severe diarrhea following inoculation with a bacteria-free filtrate. Intense fluorescence in the epithelium of sections of small intestine from two experimental calves was observed following staining with ftuorescein-labeled gamma globulin produced with viral antigen prepared from the feces of two experimental diarrhetic E. coli-free calves. Fluorescing cells were also present in the feces of experimental and field cases of neonatal …
The Effects Of Penicillin On E. Rhusiopathiae Infected Pigeons, L. Van Es, J. F. Olney, I. C. Blore
The Effects Of Penicillin On E. Rhusiopathiae Infected Pigeons, L. Van Es, J. F. Olney, I. C. Blore
Nebraska Agricultural Experiment Station: Historical Research Bulletins
Advantage was taken of an opportunity to study the effects of penicillin on Erysipelothrix rhusiopathiae, the causative organism of swine erysipelas. Owing to the fact that swine cannot readily be infected with erysipelas by artificial methods, pigeons which are highly susceptible to the disease, were selected to serve as experimental animals. It was the purpose of these studies to ascertain whether or not the swine erysipelas bacillus is sensitive to the drug and incidentally to determine the possibility of finding application of penicillin in the treatment of swine.
White Scours Of Calves, L. Van Es
White Scours Of Calves, L. Van Es
Nebraska Agricultural Experiment Station: Historical Circulars
It becomes possible to understand some of the reasons for the occurrence of disorders among the newborn of animals kept under the usual conditions imposed by domestication. Among these, the subject of this circular, White Scours in Calves, occupies a prominent place.
Report Of The Zoologist, Henry B. Ward
Report Of The Zoologist, Henry B. Ward
Studies from the University of Nebraska Zoological Laboratory
In the report of last year was given a full summary of the present state of our knowledge concerning the parasites of man and the domestic animals. It is the intention of the following pages to review the parasitic fauna of the state of Nebraska so far as it is definitely determined, and also to include a list of some species reported but not accurately identified. The second section of this report presents a brief description of some important parasites not included in the group of worms, and hence not mentioned in last year's report. I shall omit all parasites, …