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Articles 1 - 9 of 9
Full-Text Articles in Veterinary Preventive Medicine, Epidemiology, and Public Health
Malignant Catarrhal Fever Viruses In Tennessee Ruminants, Robin Lynn Cissell
Malignant Catarrhal Fever Viruses In Tennessee Ruminants, Robin Lynn Cissell
Doctoral Dissertations
Malignant catarrhal fever (MCF) is a lymphoproliferative and inflammatory syndrome affecting primarily ruminant species. The disease, which is often fatal, is most often described as affecting bovids and cervids. No vaccines are available for prevention of MCFV infection. The primary method to control spread of disease is to prevent contact between carriers and clinically susceptible species. There is no known method to control infection of malignant catarrhal fever virus-white-tailed deer variant (MCFV-WTD), as the carrier animal of this virus is unknown.
To determine the prevalence of malignant catarrhal fever viruses in Tennessee ruminant populations, blood and/or lymph node samples were …
Methicillin Resistance In Staphylococcus Pseudintermedius, Chad Christopher Black
Methicillin Resistance In Staphylococcus Pseudintermedius, Chad Christopher Black
Doctoral Dissertations
Staphylococcus pseudintermedius affecting dogs is analogous to S. aureus on humans, acting as both normal flora and opportunistic pathogen. Methicillin resistance in S. pseudintermedius is recent, with the first documented occurrence of an isolate bearing the methicillin resistance gene, mecA, in 1999. This gene encodes penicillin binding protein 2a, which renders all beta-lactam drugs ineffective and functions as a “gateway” antibiotic resistance determinant. In the presence of ineffective antibiotics, opportunities for mutational events and acquisition of mobile genetic elements increase as microbial densities increase, often leading to multi-drug resistance. Methicillin-resistant S. pseudintermedius (MRSP) infections have become increasingly common. For …
Tactics For Identifying And Eliminating Tritrichomonas Foetus From Infected Beef Herds, Jeff D. Ondrak
Tactics For Identifying And Eliminating Tritrichomonas Foetus From Infected Beef Herds, Jeff D. Ondrak
School of Veterinary and Biomedical Sciences: Dissertations, Theses, and Student Research
The protozoan, Tritrichomonas foetus (TF), has been recognized as a cause of bovine infertility for more than 100 years (Skirrow and BonDurant, 1988). As an obligate parasite of the bovine reproductive tract its control and eradication seems achievable (Harding, 1950). However, this disease continues to trouble US cattle producers and a recent epidemic in the Western US has lead to increased interest in research and regulatory efforts (Cima, 2009).
Outbreak investigations were carried out on three Nebraska ranches to assess the efficiency of currently available diagnostic tests, culture, gel polymerase chain reaction (PCR), and real time PCR (rtPCR), in identifying …
Elaboración De Un Anticuerpo Monoclonal Contra Leptospira Interrogans Serovar Pomona, Yuly Andrea Guerrero Quiroga, Juan Carlos Villarraga Micolta
Elaboración De Un Anticuerpo Monoclonal Contra Leptospira Interrogans Serovar Pomona, Yuly Andrea Guerrero Quiroga, Juan Carlos Villarraga Micolta
Medicina Veterinaria
La leptospirosis es una zoonosis de distribución mundial, más común en áreas tropicales donde las condiciones para su transmisión son favorables. Su incidencia a nivel mundial depende del clima, los reservorios, y su vigilancia; pero en Colombia estos índices no son bien valorados por la falta de investigaciones certeras en el tema. Es considerada una enfermedad ocupacional que afecta a personas que se dedican a la agricultura, limpieza de desagües, minería y aquellos que tienen contacto con animales como los trabajadores de famas y los veterinarios (Céspedes M, et.al, 2003; Slak A, et.al, 2007), sin contar que puede ser trasmitida …
Model Or Meal? Farm Animal Populations As Models For Infectious Diseases Of Humans, Cristina Lanzas, P Ayscue, R Ivanek, Y T. Grohn
Model Or Meal? Farm Animal Populations As Models For Infectious Diseases Of Humans, Cristina Lanzas, P Ayscue, R Ivanek, Y T. Grohn
Faculty Publications and Other Works -- Biomedical and Diagnostic Sciences
In recent decades, theory addressing the processes that underlie the dynamics of infectious diseases has progressed considerably. Unfortunately, the availability of empirical data to evaluate these theories has not grown at the same pace. Although laboratory animals have been widely used as models at the organism level, they have been less appropriate for addressing issues at the population level. However, farm animal populations can provide empirical models to study infectious diseases at the population level.
Model Or Meal? Farm Animal Populations As Models For Infectious Diseases Of Humans, Cristina Lanzas, P Ayscue, R Ivanek, Y T. Grohn
Model Or Meal? Farm Animal Populations As Models For Infectious Diseases Of Humans, Cristina Lanzas, P Ayscue, R Ivanek, Y T. Grohn
Cristina Lanzas
In recent decades, theory addressing the processes that underlie the dynamics of infectious diseases has progressed considerably. Unfortunately, the availability of empirical data to evaluate these theories has not grown at the same pace. Although laboratory animals have been widely used as models at the organism level, they have been less appropriate for addressing issues at the population level. However, farm animal populations can provide empirical models to study infectious diseases at the population level.
An Investigation Of Humeral Stress Fractures In Racing Thoroughbreds Using A 3d Finite Element Model In Conjunction With A Bone Remodeling Algorithm, Ryan James Moore
An Investigation Of Humeral Stress Fractures In Racing Thoroughbreds Using A 3d Finite Element Model In Conjunction With A Bone Remodeling Algorithm, Ryan James Moore
Master's Theses
The humerus of a racing horse Thoroughbred is highly susceptible to stress fractures at a characteristic location as a result of cyclic loading. The propensity of a Thoroughbred to exhibit humeral fracture has made equines useful models in the epidemiology of stress fractures. In this study, a racing Thoroughbred humerus was simulated during training using a 3D finite element model in conjunction with a bone remodeling algorithm. Nine muscle forces and two contact forces were applied to the 3-dimensional finite element model, which contains four separate load cases representing fore-stance, mid-stance, aft-stance, and standing. Four different training programs were incorporated …
Identification Of Parelaphostrongylus Odocoilei (Nematoda: Protostrongylidae) First-Stage Larvae In The Feces Of Gray Wolves (Canis Lupus) By Molecular Methods, Heather M. Bryan, Kathrin A. Sim, Chris T. Darimont, Paul C. Paquet, Brent Wagner, Violeta Muñoz-Fuentes, Judit E. Smits, Nell B. Chilton
Identification Of Parelaphostrongylus Odocoilei (Nematoda: Protostrongylidae) First-Stage Larvae In The Feces Of Gray Wolves (Canis Lupus) By Molecular Methods, Heather M. Bryan, Kathrin A. Sim, Chris T. Darimont, Paul C. Paquet, Brent Wagner, Violeta Muñoz-Fuentes, Judit E. Smits, Nell B. Chilton
Parasitology Collection
First-stage nematode larvae with a dorsal-spine (DSL) were detected in five of 1,565 fecal samples from gray wolves (Canis lupus) collected in British Columbia, Canada, between 2005 and 2008. Molecular techniques were used to identify the DSL because it was not possible to determine their species identity using morphologic characters. The DSL were identified as Parelaphostrongylus odocoilei based on the results of single-strand conformation polymorphism (SSCP) analyses and DNA sequencing of the ribosomal DNA first and second internal transcribed spacers. Finding DSL of P. odocoilei in the feces of gray wolves was unexpected because P. odocoilei adults are parasites of …
Promiscuous Mating In Feral Pigs (Sus Scrofa) From Texas, Usa, Johanna Delgado-Acevedo, Angeline Zamorano, Randy W. Deyoung, Tyler A. Campbell, David G. Hewitt, David B. Long
Promiscuous Mating In Feral Pigs (Sus Scrofa) From Texas, Usa, Johanna Delgado-Acevedo, Angeline Zamorano, Randy W. Deyoung, Tyler A. Campbell, David G. Hewitt, David B. Long
USDA Wildlife Services: Staff Publications
Context. Feral pigs represent a significant threat to agriculture and ecosystems and are disease reservoirs for pathogens affecting humans, livestock and other wildlife. Information on the behavioural ecology of feral pigs might increase the efficiency and effectiveness of management strategies.
Aims. We assessed the frequency of promiscuous mating in relation to oestrous synchrony in feral pigs from southern Texas, USA, an agroecosystem with a widespread and well established population of feral pigs. An association between multiple paternity of single litters and synchrony of oestrous may indicate alternative mating strategies, such as mateguarding.
Methods. We collected gravid sows at …