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Feral Swine Impacts On Agriculture And The Environment, Nathan W. Seward, Kurt C. Vercauteren, Gary W. Witmer, Richard M. Engeman Oct 2004

Feral Swine Impacts On Agriculture And The Environment, Nathan W. Seward, Kurt C. Vercauteren, Gary W. Witmer, Richard M. Engeman

Sheep and Goat Research Journal

More than 30 species of exotic freeranging mammals have become established in the United States since European colonization (De Vos et al., 1956; McKnight, 1964; Roots, 1976). These species often become serious economic pests and can have grave consequences on their host environments (Cottam, 1956; De Vos et al., 1956; Mayer and Brisbin, 1991). True wild pigs (Suidae) are not native to the United States. Only the collared peccary (Tayassu tajacu; Tayassuidae) that inhabits the southwestern and south-central parts of the United States is native (Mayer and Brandt, 1982; Mayer and Wetzel, 1986). Feral swine (Sus scrofa …


National Program Assessment, Animal Health: 2000-2004, Cyril G. Gay Oct 2004

National Program Assessment, Animal Health: 2000-2004, Cyril G. Gay

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

National Program Assessments are conducted every five-years through the organization of one or more workshop. Workshops allow the Agricultural Research Service (ARS) to periodically update the vision and rationale of each National Program and assess the relevancy, effectiveness, and responsiveness of ARS research. The National Program Staff (NPS) at ARS organizes National Program Workshops to facilitate the review and simultaneously provide an opportunity for customers, stakeholders, and partners to assess the progress made through the National Program and provide input for future modifications to the National Program or the National Program’s research agenda. A workshop for Animal Health has been …


Production And Purification Of A Chimeric Monoclonal Antibody Against Botulinum Neurotoxin Serotype A , Mark C. Mowry, Michael Meagher Lead Investigator, Leonard Smith, Anuradha Subramanian Oct 2004

Production And Purification Of A Chimeric Monoclonal Antibody Against Botulinum Neurotoxin Serotype A , Mark C. Mowry, Michael Meagher Lead Investigator, Leonard Smith, Anuradha Subramanian

Papers in Biotechnology

Production of recombinant antibodies against botulinum neurotoxin is necessary for the development of a post-exposure treatment. CHO-DG44 cells were transfected with a plasmid encoding the light and heavy chains of a chimeric monoclonal antibody (S25) against botulism neurotoxin serotype A. Stable cell lines were obtained by dilution cloning and clones were shown to produce nearly equivalent levels of light and heavy chain antibody by an enzyme-linked immunosorbent assay (ELISA). In suspension culture, cells produced 35 μg/ml of chimeric antibody after 6 days, corresponding to a specific antibody productivity of 3.1 pg/cell/day. A method for the harvest and recovery of an …


Observations On Myiasis By The Calliphorids, Bufolucilia Silvarum And Bufolucilia Elongata, In Wood Frogs, Rana Sylvatica, From Southeastern Wisconsin, Matthew G. Bolek, John J. Janovy Jr. Oct 2004

Observations On Myiasis By The Calliphorids, Bufolucilia Silvarum And Bufolucilia Elongata, In Wood Frogs, Rana Sylvatica, From Southeastern Wisconsin, Matthew G. Bolek, John J. Janovy Jr.

John J. Janovy, Jr. Publications

Larvae of certain species of blowflies (Calliphoridae) can cause myiasis in frogs and toads, but there are few reports from North American amphibians. Of these, most are from toads (bufonids). In this study, we observe primary myiasis in a population of juvenile wood frogs, Rana sylvatica, collected on August 22-23, 2003, from southeastern Wisconsin and compare our observations with previous studies on myiasis from toads. Two (5%) of 39 frogs were infected by the blow fly Bufolucilia silvarum, with an intensity of 28 and 31, whereas 1 (2.5%) of 39 frogs was infected by the blow fly Bufolucilia …


Cd8+ T Cells Responding To Influenza Infection Reach And Persist At Higher Numbers Than Cd4+ T Cells Independently Of Precursor Frequency, Timothy J. Powell, Deborah M. Brown, Joseph A. Hollenbaugh, Tina Charbonneau, Roslyn A. Kemp, Susan L. Swain, Richard Dutton Oct 2004

Cd8+ T Cells Responding To Influenza Infection Reach And Persist At Higher Numbers Than Cd4+ T Cells Independently Of Precursor Frequency, Timothy J. Powell, Deborah M. Brown, Joseph A. Hollenbaugh, Tina Charbonneau, Roslyn A. Kemp, Susan L. Swain, Richard Dutton

Nebraska Center for Virology: Faculty Publications

The activation, localization, phenotypic changes, and function of CFSE-labeled naive influenza-specific CD8+ and CD4+ T cells following influenza infection were examined. Response of adoptively transferred CD8+ T cells was seen earliest in draining lymph node. Highly activated cells were found later in the lung, airways, and spleen, were cytolytic, and expressed IFN-γ upon restimulation. Similar amounts of division at early time points, but higher numbers of CD8+ T cells, were detected at 9 and 30 days postinfection after cotransfer of CD4+ and CD8+ T cells followed by infection. Transfer of much smaller numbers of …


American Society Of Parasitologists Newsletter, V. 26, No. 3, Fall 2004, Scott Lyell Gardner Oct 2004

American Society Of Parasitologists Newsletter, V. 26, No. 3, Fall 2004, Scott Lyell Gardner

American Society of Parasitologists: Newsletter

An issue of the American Society of Parasitologists' quarterly newsletter, also called the Journal of Parasitology Newsletter.


Beyond Bloodletting: Fda Gives Leeches A Medical Makeover, Carol Rados Oct 2004

Beyond Bloodletting: Fda Gives Leeches A Medical Makeover, Carol Rados

Harold W. Manter Laboratory of Parasitology: Library Materials

In June 2004, the Food and Drug Administration cleared the first application for leeches (Hirudo medicinalis) to be used in modern medicine as medical devices. By definition, a medical device is an article intended to diagnose, cure, treat, prevent, or mitigate a disease or condition, or to affect a function or structure of the body, that does not achieve its primary effect through a chemical action and is not metabolized.


New Species Of Cinclotaenia Macy, 1973 (Cyclophyllidea: Dilepididae) From Cinclus Leucocephalus Tschudi (Passeriformes: Cinclidae) In Bolivia, Boyko B. Georgiev, Scott Lyell Gardner Oct 2004

New Species Of Cinclotaenia Macy, 1973 (Cyclophyllidea: Dilepididae) From Cinclus Leucocephalus Tschudi (Passeriformes: Cinclidae) In Bolivia, Boyko B. Georgiev, Scott Lyell Gardner

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Two new species of Cinclotaenia (Cyclophyllidea: Dilepididae) are described from the small intestine of Cinclus leucocephalus (Aves: Passeriformes: Cinclidae) collected in the Yungas region of Bolivia. Cinclotaenia minuta n. sp. is characterized by possessing a minute strobila with a maximum body length of 1.58 mm, consisting of 5–10 proglottids, 19–22 rostellar hooks with lengths from 16 to 17 mm, 12–17 testes per proglottid, and eggs forming packets without filaments. Cinclotaenia boliviensis n. sp. has bandlike strobila with a length up to 26 mm with 67–74 proglittids, 22 rostellar hooks with length 39–42 mm, 43–68 testes, and eggs forming packets possessing …


Johne’S Disease, Inflammatory Bowel Disease, And Mycobacterium Paratuberculosis, Ofelia Barletta-Chacon, Luiz E. Bermudez, Raúl G. Barletta Oct 2004

Johne’S Disease, Inflammatory Bowel Disease, And Mycobacterium Paratuberculosis, Ofelia Barletta-Chacon, Luiz E. Bermudez, Raúl G. Barletta

School of Veterinary and Biomedical Sciences: Faculty Publications

Johne’s disease is a chronic diarrhea affecting all ruminants. Mycobacterium avium subsp. paratuberculosis (MAP), a slowly growing mycobacteria, is the etiologic agent. There is also a concern that MAP might be a causative agent of some cases of inflammatory bowel disease in humans, especially Crohn’s disease. Food products including pasteurized bovine milk have been suggested as potential sources of human infection. This review addresses microbial factors that may contribute to its pathogenicity. In addition, the experimental evidence defining MAP as the cause of Johne’s disease and the issues and controversies surrounding its potential pathogenic role in humans are discussed.


Two Species Of Synhimantus (Dispharynx) Railliet, Henry And Sisoff, 1912 (Nematoda: Acuarioidea: Acuariidae), In Passerine Birds From The Área De Conservación Guanacaste, Costa Rica, Luping Zhang, Daniel R. Brooks, Douglas Causey Oct 2004

Two Species Of Synhimantus (Dispharynx) Railliet, Henry And Sisoff, 1912 (Nematoda: Acuarioidea: Acuariidae), In Passerine Birds From The Área De Conservación Guanacaste, Costa Rica, Luping Zhang, Daniel R. Brooks, Douglas Causey

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Members of 2 species of Synhimantus (Dispharynx) live under the lining of the gizzard in passerine birds from the Área de Conservación Guanacaste, Costa Rica. Synhimantus (Dispharynx) nasuta (Rudolphi, 1819) occurs in Thraupis episcopus, Turdus grayi, Caryothraustes poliogaster, Platyrinchus cancrominus, Ramphocaenus melanurus, Vermivora peregrina, and Geothlypis poliocephala. A single male, in Turdus grayi, apparently representing a new species, distinguishable from all other species of Synhimantus (Dispharynx) by having similar shaped left and right spicules, is described but not named.


Phylogeny For Species Of Haemonchus (Nematoda: Trichostrongyloidea): Considerations Of Their Evolutionary History And Global Biogeography Among Camelidae And Pecora (Artiodactyla), Eric P. Hoberg, J. Ralph Lichtenfels, Lynda M. Gibbons Oct 2004

Phylogeny For Species Of Haemonchus (Nematoda: Trichostrongyloidea): Considerations Of Their Evolutionary History And Global Biogeography Among Camelidae And Pecora (Artiodactyla), Eric P. Hoberg, J. Ralph Lichtenfels, Lynda M. Gibbons

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Phylogenetic analysis of 25 morphological characters among the 12 species of Haemonchus resulted in one most parsimonious tree (60 steps; consistency index 5 0.67, retention index 5 0.80). Monophyly for Haemonchus was diagnosed by three unequivocal synapomorphies, including the asymmetric origin of the dorsal ray, relative size of the ventral rays, and the presence of a barb on each spicule tip. Species of Haemonchus have complex histories with respect to host and geographic associations: (1) origins in Africa with basal diversification in antelopes (H. krugeri, H. lawrencei, H. dinniki, H. horaki), (2) independent events of …


Serologic Survey For Canine Infectious Diseases Among Sympatric Swift Foxes (Vulpes Velox) And Coyotes (Canis Latrans) In Southeastern Colorado, Eric M. Gese, Seija M. Karki, Mead L. Klavetter, Edward R. Schauster, Ann M. Kitchen Oct 2004

Serologic Survey For Canine Infectious Diseases Among Sympatric Swift Foxes (Vulpes Velox) And Coyotes (Canis Latrans) In Southeastern Colorado, Eric M. Gese, Seija M. Karki, Mead L. Klavetter, Edward R. Schauster, Ann M. Kitchen

United States Department of Agriculture Wildlife Services: Staff Publications

Swift foxes (\'IL~VPGCY~ OX)a nd CoVi I otes (C~rrisl r~tr(~r~a.rse) sympatric canids distributed througllout rnany regions of tlie Great Plains of North America. ~h~ prevalence of canid diseases arnong these two species where they occur syiripatrically is presently unknown. Frorn January 1997 to January 2001, we collected blood salnples from 89 switt toxes and 122 coyotes oil the US Arlny Pifion Canyon Maneuver Site, 1,as Anilrlas County, SE lorado (USA). Seroprcvalence of ailtibodies against canine parvovirr~s (C13\i) was 71 % for adult (>9 nlo old) ailcl 38% for jrlveilile (59 Ino old) swift fbxes. Adult (21 yr old) and …


Waccnes Containing Bovine Herpe Svirus 1 Attenuated By Mutation In Latency-Related Gene, Clinton J. Jones Sep 2004

Waccnes Containing Bovine Herpe Svirus 1 Attenuated By Mutation In Latency-Related Gene, Clinton J. Jones

School of Veterinary and Biomedical Sciences: Faculty Publications

Vaccines for pathogenic Strains of bovine herpesvirus 1 (BHV-1) which are based on attenuated BHV-1 having a mutation in the latency-related gene are provided. Live, attenuated vaccines are also provided which express anti gens from other viral or bacterial pathogens and thus form the basis of a variety of vaccines.


Rodent Ecology And Plague In North America , Gary W. Witmer Aug 2004

Rodent Ecology And Plague In North America , Gary W. Witmer

United States Department of Agriculture Wildlife Services: Staff Publications

Complex rodent communities occupy the western United States. These communities are susceptible to the exotic disease, plague, that has become enzootic in the region since 1899. Weather conditions, the susceptibility of rodent species to plague, population dynamics, and the intra-specific interactions between populations of mammals and their flea associates all contribute to the periodic outbreaks of plague. Understanding these ecological relationships allows managers to generate predictions and to intervene in plague situations so as to reduce the negative effects on ecosystems and to reduce the risk of plague to humans.


Bovine Tuberculosis In Michigan White-Tailed Deer Aug 2004

Bovine Tuberculosis In Michigan White-Tailed Deer

Zoonotics and Wildlife Disease: Publications

Starting in 1995 hunter harvested, road killed, and other dead deer were examined for bovine TB infection. White-tailed deer in Michigan have since been tested year round for bovine TB. Testing revealed that most of the TB positive animals were located in a core area in the northeastern part of Michigan's Lower Peninsula. The core area is located around the four corners where the counties of Montmorency, Alpena, Oscoda and Alcona meet. Antrim, Crawford, Emmet, Iosco, Mecosta, Osceola, Otsego, Presque Isle, and Roscommon Counties have also had animals test positive for bovine TB.

In the U.S. today, the threat of …


Modified Amino Acid Copolymers Suppress Myelin Basic Protein 85–99-Induced Encephalomyelitis In Humanized Mice Through Different Effects On T Cells, Zsolt Illés, Joel N.H. Stern, Jay Reddy, Hanspeter Waldner, Marcin P. Mycko, Celia F. Brosnan, Stephan Ellmerich, Daniel M. Altmann, Laura Santambrogio, Jack L. Strominger, Vijay K. Kuchroo Aug 2004

Modified Amino Acid Copolymers Suppress Myelin Basic Protein 85–99-Induced Encephalomyelitis In Humanized Mice Through Different Effects On T Cells, Zsolt Illés, Joel N.H. Stern, Jay Reddy, Hanspeter Waldner, Marcin P. Mycko, Celia F. Brosnan, Stephan Ellmerich, Daniel M. Altmann, Laura Santambrogio, Jack L. Strominger, Vijay K. Kuchroo

Jay Reddy Publications

A humanized mouse bearing the HLA-DR2 (DRA/DRB1*1501) pro- tein associated with multiple sclerosis (MS) and the myelin basic protein (MBP) 85–99-specific HLA-DR2-restricted T cell receptor from an MS patient has been used to examine the effectiveness of modified amino acid copolymers poly(F,Y,A,K)n and poly- (V,W,A,K)n in therapy of MBP 85–99-induced experimental auto-immune encephalomyelitis (EAE) in comparison to Copolymer 1 [Copaxone, poly(Y,E,A,K)n]. The copolymers were designed to optimize binding to HLA-DR2. Vaccination, prevention, and treatment of MBP-induced EAE in the humanized mice with copolymers FYAK and VWAK ameliorated EAE more effectively than Copolymer 1, reduced the number of pathological lesions, and …


Ard News August 2004 Aug 2004

Ard News August 2004

Agricultural Research Division: News and Annual Reports

CONTENTS:

Comments from the Dean
William G. Whitmore Student Travel Endowment
David H. and Annie E. Larrick Fund 2004
Hardin Distinguished Graduate Fellowship 2004-2005
Widaman Trust Distinguished Graduate Assistant Award
AI Moseman International Studies Fund 2004-2005
John and Louise Skala Fellowship 2004-2005
Grants and Contracts Received July and July 2004
Shear-Miles Fellowship 2004-2005
New or Revised Projects
Proposals Submitted for Federal Grants June and July, 2004
Nebraska Crops - 2004
Leading States for Cash Receipts, 2002


Review Of Parasites And Diseases Of Wild Birds In Florida By D. J. Forrester And M. G. Spalding; University Press Of Florida, 2003, John J. Janovy Jr. Aug 2004

Review Of Parasites And Diseases Of Wild Birds In Florida By D. J. Forrester And M. G. Spalding; University Press Of Florida, 2003, John J. Janovy Jr.

John J. Janovy, Jr. Publications

Review of Parasites and Diseases of Wild Birds in Florida by D. J. Forrester and M. G. Spalding, publsihed by the University Press of Florida, 2003; ISBN: 0-8130-2560-5.


Dna Sequence Analysis Of Regions Surrounding BlaCmy-2 From Multiple Salmonella Plasmid Backbones, W.P. Giles, Andrew K. Benson, M.E. Olson, Robert W. Hutkins, J.M. Whichard, P.L. Winokur, P.D. Fey Aug 2004

Dna Sequence Analysis Of Regions Surrounding BlaCmy-2 From Multiple Salmonella Plasmid Backbones, W.P. Giles, Andrew K. Benson, M.E. Olson, Robert W. Hutkins, J.M. Whichard, P.L. Winokur, P.D. Fey

Department of Food Science and Technology: Faculty Publications

The emergence in the United States of resistance to expanded-spectrum cephalosporin (e.g., ceftriaxone) within the salmonellae has been associated primarily with three large (>100-kb) plasmids (designated types A, B, and C) and one 10.1-kb plasmid (type D) that carry the blaCMY-2 gene. In the present study, the distribution of these four known blaCMY-2-carrying plasmids among 35 ceftriaxone-resistant Salmonella isolates obtained from 1998 to 2001 was examined. Twenty-three of these isolates were Salmonella enterica serotype Newport, 10 were Salmonella enterica serotype Typhimurium, 1 was Salmonella enterica serotype Agona, and 1 was Salmonella enterica serotype Reading. All 23 …


A New Species Of Pelecitus (Filarioidea: Onchocercidae) From The Endnagered Tehuantepec Jackrabbit Lepus Flavigularis, F. Agustin Jimenez-Ruiz, Scott Lyell Gardner, Fernando A. Cervantes, Consuelo Lorenzo Aug 2004

A New Species Of Pelecitus (Filarioidea: Onchocercidae) From The Endnagered Tehuantepec Jackrabbit Lepus Flavigularis, F. Agustin Jimenez-Ruiz, Scott Lyell Gardner, Fernando A. Cervantes, Consuelo Lorenzo

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Pelecitus meridionaleporinus n. sp. from the Tehuantepec jackrabbit is described. The new species differs from Pelecitus helicinus (Molin, 1860) in having delicate transverse striations, a salient vulva, and a readily apparent preesophageal ring; P. helicinus has teardrop cells around the vulva, which are lacking in the species presently described. The new species is different from Pelecitus scapiceps (Leidy, 1886) in having the vulva anterior to the esophageal–intestinal junction and wider lateral alae. Pelecitus scapiceps is found in the tarsal bursa of the hind feet of lagomorphs, whereas P. helicinus is found around tendons of legs and feet of birds. Pelecitus …


Salmonella In Songbirds Jul 2004

Salmonella In Songbirds

Zoonotics and Wildlife Disease: Publications

Salmonella is a type of bacterium found in the gut of many species of birds both domestic and wild. During periods of stress it can cause outbreaks of sickness and death. Its importance in songbird populations generally and the occurrence of outbreaks in this province specifically are discussed in this fact sheet.


Parasites Of Caribou (1): Brain Worm Infestation Jul 2004

Parasites Of Caribou (1): Brain Worm Infestation

Zoonotics and Wildlife Disease: Publications

Brain worm is the common name for a disease of caribou that was first recognized in Central Newfoundland in the 1970's and has since been seen in other caribou herds including most recently the caribou of the Southern Avalon. Its more scientific name is Cerebrospinal Elaphostrongylosis (CSE) and is caused by the nematode Elaphostrongylus rangiferi.
Infection can cause severe illness and death in affected animals and has a particularly strong impact on herds that have not been previously exposed to this parasite.
As this is primarily a disease of caribou, there is no direct public health threat to humans. Moose …


Parasites Of Caribou (2): Fly Larvae Infestations Jul 2004

Parasites Of Caribou (2): Fly Larvae Infestations

Zoonotics and Wildlife Disease: Publications

All wild animals carry diseases. In some cases these might be of concern if they can spread to humans or domestic animals. In other cases they might be of interest if they impact on the health of our wild herds, or simply because the signs of the disease have been noticed and you want to know more.
This fact sheet is one of a series produced on the common diseases of caribou and covers the larval form of two different flies commonly seen in this province. Neither of these are a cause of public health concern.


Parasites Of Caribou (3): Tapeworm Cysts Jul 2004

Parasites Of Caribou (3): Tapeworm Cysts

Zoonotics and Wildlife Disease: Publications

All wild animals carry diseases. In some cases these might be of concern if they can spread to humans or domestic animals. In other cases, they might be of interest if they impact on the health of our wild herds, or simply if they have been noticed by hunters and you would like to know more.
This fact sheet is one of a series produced on the common diseases of caribou and covers the cyst form of three common tapeworms. Two (Taenia hydatigena and Taenia krabbei) exist on both the island of Newfoundland and in Labrador, while the …


Pesticide Poisoning Of Seagulls Jul 2004

Pesticide Poisoning Of Seagulls

Zoonotics and Wildlife Disease: Publications

In April 2000 a major pesticide leak caused the death and illness of a significant number of wild birds. The findings and conclusions of this die-off are detailed.


Parasites Of The Snowshoe Hare (1): Tapeworm Cysts Jul 2004

Parasites Of The Snowshoe Hare (1): Tapeworm Cysts

Zoonotics and Wildlife Disease: Publications

All wild animals carry diseases. In some cases these might be of concern because they can spread to humans or domestic animals. In other cases they may be of interest simply because the signs of the disease have been seen and you want to know more. Though diseases are relatively common in these animals there is usually an increase in reporting when the hare populations are at a peak. High populations mean that there is an increased chance of one animal infecting another. In addition, when there are too many animals in one area, the amount of available food is …


Livestock Depredation By Wolves, Michael Francis Jul 2004

Livestock Depredation By Wolves, Michael Francis

Rocky Mountain Wolf Recovery: Annual Reports

The state of Colorado expects recovering and dispersing wolf (Canis lupus and C. l. baileyi) populations to reach the state in the near future. Likewise, the western Distinct Population Segment of recovering gray wolves may be delisted soon. In preparation for this eventuality, the Colorado Division of Wildlife (CDOW) has initiated the development of a state wolf management plan in an effort to deal with the many controversial issues surrounding this topic, which includes the possible depredation upon livestock and other domestic animals by wolves. This paper deals specifically with cowcalf and sheep depredation and examines the actual …


Keep Your Cabin Free Of Rodents Jul 2004

Keep Your Cabin Free Of Rodents

Zoonotics and Wildlife Disease: Publications

Cabins that have been closed for the winter can become nesting sites for mice, shrews and other rodents. These animals can carry fleas, ticks, viruses or other organisms on their skin, in their droppings or urine. These can cause diseases in humans, especially when you breathe in the dust from their droppings or nesting sites.
Avoid close contact with rodent urine, droppings, nesting materials or with any food or surfaces contaminated with them.
Always wear rubber gloves when handling dead rodents, or when cleaning traps, droppings, nesting sites or other areas that rodents may have visited.


Lyme Disease In Newfoundland Jul 2004

Lyme Disease In Newfoundland

Zoonotics and Wildlife Disease: Publications

Lyme Disease, spread by ticks, is an illness affecting both humans and domestic animals. The presence of the bacteria causing this illness was reported for the first time in this province in July 2001. This fact sheet provides details on the disease and its spread.


American Society Of Parasitologists Newsletter, V. 26, No. 2, Summer 2004, Scott Lyell Gardner Jul 2004

American Society Of Parasitologists Newsletter, V. 26, No. 2, Summer 2004, Scott Lyell Gardner

American Society of Parasitologists: Newsletter

An issue of the American Society of Parasitologists' quarterly newsletter, also called the Journal of Parasitology Newsletter.