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	Home > Graduate Programs and Degrees Offered > Veterinary Medicine Graduate Program > Current Veterinary Medicine Students

Current Veterinary Medicine Students

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	Allerson, Matt alle0482@umn.edu Degrees D.V.M., University of Minnesota, 2009 M.P.H., University of Minnesota, 2009 B.S., Dairy Science, U-W River Falls, 2005 Advisor Dr. Montserrat Torremorell Research My research focuses on the disease ecology of influenza A viruses in pigs. Currently, I am involved in studies assessing the subpopulations responsible for maintaining influenza virus in swine populations and determining the impact of maternally derived antibodies on the transmission of influenza virus in neonatal pig populations. I also have an interest in the human-pig interface concerning influenza virus. Publications Torremorell M, Allerson M, Corzo C, Diaz A, Gramer M. Transmission of influenza A virus in pigs. Transbound Emerg Dis. 2012 Jan 9. doi: 10.1111/j.1865-1682.2011.01300.x. [Epub ahead of print] Romagosa A, Allerson M, Gramer M, Joo HS, Deen J, Detmer S, Torremorell M. Vaccination of influenza a virus decreases transmission rates in pigs. Vet Res. 2011 Dec 20; 42(1):120. Presentations “Methicillin resistant Staphylococcus aureus in swine.” Minnesota Veterinary Medical Association (MVMA) annual meeting. February 2010. “Influenza virus related policies and practices on swine farms.” A. D. Leman swine conference. September 2010. “Use of marketing data to influence behavior.” A. D. Leman swine conference. September 2010. “Designing and implementing health policies for personnel: the case of influenza virus.” A. D. Leman swine conference. September 2010. “The epidemiology of influenza virus in sow farms: A case report.” A. D. Leman swine conference. September 2010. “Application of alternative methods of body temperature measurement in swine.” Conference of research workers in animal diseases (CRWAD) annual meeting. December 2010. Awards Doctoral Dissertation Fellowship, 2012 Vaughn Larson Award, 2012 Best Epidemiology and Animal Health Economics Talk by the Association of Veterinary Epidemiology and Preventive Medicine, 2011 Conference of Research Workers in Animal Diseases
	Alonso, Carmen alons015@umn.edu Degrees D.V.M., Universidad Complutense Madrid, 2003 Advisors Dr. Peter Davies & Dr. Montserrat Torremorell Research My research focuses on the epidemiology and economics of Air Filtration Systems for large sow farms. My first project was focused on the risks associated with non-filtered back-drafted air. We were able to demonstrate that this event is an important cause of PRRVS introduction in filtered farms via retrograde air movement. My current project is related to the epidemiology and economics of the production improvements of these farms as a result of the PRRSV free status and in comparison to similar but non-filtered farms. Publications Alonso C, Otake S, Davies P, Dee S. An evaluation of interventions for reducing the risk of PRRSV introduction to filtered farms via retrograde air movement through idle fans. Vet Microbiol. 2012 Jan 17. [Epub ahead of print] Presentations "An evaluation of interventions for reducing the risk of PRRSV introduction to filtered farms via retrograde air movement through idle fans". Conference of research workers in animal diseases (CRWAD) 2011. “A chronic case of salt intoxication in finishing pigs”. 21st International Pig Veterinary Society Congress- IPVS Vancouver 2010 Awards Biosafety and Biosecurity Award from the Joseph J. Gabarino Foundation, 2011 Conference of Research Workers in Animal Dieseases
	Clavijo, Maria Jose clavi005@umn.edu Degrees D.V.M - Universidad Central de Venezuela 2009 Advisors Dr. Albert Rovira & Dr. Robert Morrison Research The focus of my research is gaining knowledge on the epidemiology of Mycoplasma hyorhinis by developing highly specific and sensitive diagnostic and genotyping tools that would aid in the establishment of proper prevention and control measures for this pathogen. Publications Clavijo M.J., Oliveira S. (2009). Development of a quantitative real-time PCR for the detection of Actinobacillus suis in clinical samples. Proceedings of the 40th Annual Meeting of the American Association of Swine Veterinarians, Dallas, Texas. Clavijo M.J., Oliveira S. (2008). Molecular characterization of Streptococcus suis isolates recovered from U.S. swine herds – unraveling the human link. Proceedings of the 39th Annual Meeting of the American Association of Swine Veterinarians, San Diego, California. Presentations Clavijo M.J., Rovira A., Murray D., Oliveira S. (2011). Mycoplasma hyorhinis: Epidemiology of infection in endemically infected farms (Proceedings) of the 40th Annual Meeting of the American Association of Swine Vet, Phoenix, Arizona. Clavijo M.J., Rovira A., Oliveira S. (2010). Development of a quantitative PCR assay for the detection of Mycoplasma hyorhinis in clinical samples(Proceedings) of the 53rd American Association of Veterinary Laboratory Diagnosticians. Clavijo M.J., Rovira A., Oliveira S. (2010). Development and validation of a quantitative PCR for the detection of Actinobacillus suis (Proceedings) of the 53rd American Association of Veterinary Laboratory Diagnosticians. Clavijo M.J., Rovira A., Oliveira S. (2010). Tracking Mycoplasma hyorhinis prevalence in the farrowing house and nursery using a newly developed real-time PCR (Proceedings) of the 37th Allen Leman Swine Conference, Minneapolis, MN
	Crain, Sarah crain021@umn.edu Degrees D.V.M., University of Minnesota, 2008 B.A., Neuroscience and Biology, Oberlin College, 2002 Advisor Dr. Ned Patterson Research I am researching anti-thrombotic therapy in dogs with primary immune-mediated hemolytic anemia. Thrombosis, or abnormal clotting, is one of the major causes of morbidity and mortality in dogs affected with this disease, and currently there is little data evaluating different medications to prevent clots from forming. This disease is fairly common and can be very hard to treat. I am conducting a controlled clinical trial evaluating anti-thrombotic therapy in dogs affected with this disease.
	Diaz, Carlos diazj002@umn.edu Degree D.V.M., National University of Colombia, 2005 Advisor Dr. Montserrat Torremorell Research Evaluation of influenza virus genetic diversity in pig populations. Publications Torremorell M, Allerson M, Corzo C, Diaz A, Gramer M. Transmission of influenza A virus in pigs. Transbound Emerg Dis. 2012 Jan 9. doi: 10.1111/j.1865-1682.2011.01300.x. [Epub ahead of print]
	Dileepan, Mythilli dilee002@umn.edu Degrees BVSc, University of Peradeniya, Sri Lanka, 1996 MPhil, Microbiology, University of Peradeniya, Sri Lanka, 2004 Advisor Dr. Mathur Kannan Research Our lab is interested in the gene CD38 and its role in the pathogenesis of asthma. Previous studies from our lab showed that it is playing a role in hyper-responsiveness and inflammation, two of the cardinal features of asthma. Further it was shown that TNF-alpha induced CD38 expression is transcriptionally regulated by transcription factors NFK-B and AP-1 through MAPK pathway. My aims are to determine whether CD38 has a role in remodeling of airways, another feature of asthma and to find out whether CD38 is post-transcriptionally regulated by microRNAs. Publications Dileepan, M., Wijewardana, T.G., Horadagoda, N.U., Stipkovits, L., Varga, I and Dharmawardena, I.V.P. (2005). Evidence of Mycoplasma hyopneumoniae infection among slaughtered pigs in Sri Lanka. Tropical Animal Health and Production, 37(1): 21-23 Dileepan.M., Wijewardana T.G., Horadagoda N.U. and Dharmawardena,I.V.P. (2002). Serological evidence for the presence of Mycoplasma hyopneumoniae in pigs in Sri Lanka. Sri Lanka Veterinary Journal. 49(1A): 1-4 Dileepan, M., Wijewardana, T.G., Horadagoda, N.U. and Dharmawardana, I.V.P. (2001). An abattoir study on the aetio-pathology of lung lesions in pigs in Sri Lanka. Sri Lanka Veterinary Journal. 48(1A): 1-8 Dileepan, M., Wijewardana, T.G., Horadagoda, N.U.and Townsend, M. Kirsty. (2001). Screening for toxigenic Pasteurella multocida among isolates recovered from tonsils and lungs of pigs. Sri Lanka Veterinary Journal. 48(1A): 17-19
	Draper, Alexandra drape064@umn.edu Degree BVetMed, Royal Veterinary College, University of London, 2007 Advisor Dr. Stephanie Valberg Research We are investigating the epidemiology of Shivers and describing movement disorders in horses. Publications Draper ACE and Hallowell GD. Repeatability and Reproducibility of Transabdominal Renal Ultrasonography in Thoroughbred Horses J Vet Int Med 23(3):702 2009.
	Dresch, Ana dresc022@umn.edu Degree D.V.M., Univeridade do Estado de Santa Catarina, Brazil Advisors Dr. Sandra Godden & Dr. Ricardo Chebel
	Figueiredo, Marina figue016@umn.edu Degree D.V.M., Universidade de Vila Velha, Espirito Santo, Brazil, 2008 Small Animal Internal Medicine Residency, Universidade de Vila Velha, Brazil, 2009 Internship Program, Hospital Veterinario Pompeia, Sao Paulo, Brazil, 2010 Advisors Dr. Jody P. Lulich & Dr. Michael P. Murtaugh Research My research interests are focused on developing safe and effective therapies to prevent calcium oxalate stone recurrence, evaluating different approaches for gene therapy and the feasibility of these techniques in vitro. Medical therapy to dissolve calcium oxalate uroliths is currently unavailable. There are four major classes of enzymes and related proteins found primarily in plants, fungi and bacteria, able to degrade oxalate. My principal objective is to evaluate enzyme gene expression and activity in a feline kidney cell line, in order to identify potential candidates for future gene therapy applications in dogs and cats. Publication Immune response to ORF5a protein immunization is not protective against Porcine reproductive and respiratory virus infection. (2013) Robinson SR, Figueiredo MC, Abrahante JE, Murtaugh MP. Accepted for publication in Journal of Veterinary Microbiology. Presentation Lack of gut oxalate-degrading bacteria is a risk factor for calcium oxalate urolithiasis in cats. (2011) Figueiredo MC, Gnanandarajah JS, Abrahante JE, Lulich JP, Murtaugh MP. Conference of Research Workers in Animal Diseases (CRWAD), Chicago, USA.
	Goulart, Michelle goula030@umn.edu Degrees D.V.M., Universidade Federal de Uberlandia (Brazil), 2002. Small Animal Surgical Residency, Universidade Federal de Uberlandia (Brazil), 2002-2003. Advisors Dr. Liz Pluhar & Dr. John Ohlfest Research My project is in clinical/translational research with a focus on cancer immunotherapy for treatment of malignant forms of brain tumors in dogs. We are currently working on novel therapies using autologous vaccines for induction and expansion of tumor-specific T cells and antibody responses, with the goal of improving the immune response against cancer cells to prevent recurrence and tumor progression. Publications Goulart MR, Pluhar GE, Ohlfest JR. Identification of myeloid derived suppressor cells in dogs with naturally occurring cancer. PLoS One 7:e33274, 2012. Pluhar GE, Grogan PT, Seiler C, Goulart M, Santacruz KS, Carlson C, Chen W, Olin MR, Lowenstein PR, Castro MG, Haines SJ, Ohlfest JR. Anti-tumor immune response correlates with neurological symptoms in a dog with spontaneous astrocytoma treated by gene and vaccine therapy. Vaccine. 2010 April 26; 28(19):3371–78. Milken VMF, Freitas PMC, Eurides D, Silva FOCE, Mota FCD, Naves EA, Rezende RJ, Prieto LA, Melo MS, Goulart MR. Blockage of the jaw’s alveolar nerve with 0.5% ropivacaine in cats (Felis catus domesticus). Ciencia Rural. 2006, 36(2):550-54. ISSN 0103-8478. Mota FCD, Eurides D, Freitas PMC, Beletti ME, Goulart MR, Cunha LMF, Silva LAF, Fioravanti MCS. Use of the n-butyl cyanoacrylate adhesive and the polyglactin thread suture for corneal rhaphy in rabbit (Oryctolagus cunicullus). Journal of Veterinary Science. 2004 Sep,5(3):267-70. Freitas PMC, Eurides D, Mota FCD, Goulart MR, Naves EA, Melo MS, Lima CAP. The use of 0.3% bupivacaine for ischiatic nerve block in cats (Felis catus domesticus). Bioscience Journal, v.20, n.2, p.137-142, 2004. Freitas PMC, Eurides D, Mota FCD, Rezende RJ, Naves EA, Daleck CR, Melo MS, Goulart MR, Shimizu BJ. A comparative investigation of 0.75% bupivacaine and 0.75% ropivacaine for brachial plexus block in cats (Felis catus domesticus). Veterinaria Noticias, v.10, p.10-14, 2003. Freitas PMC, Lima CAP, Mota FCD, Goulart MR, Shimizu BJ, Eurides D, Melo MS. A comparative investigation of 0.25% bupivacaine and 0.75% bupivacaine for brachial plexus block in cats (Felis catus domesticus). ARS Veterinary Journal, v.18, p.218-22, 2002. Eurides D, Freitas PMC, Mota FCD, Naves EA, Silva LAF, Melo MS, Goulart MR, Rezende RJ. The use of 3% prilocaine for hind limb perineural block in cats (Felis catus domesticus). A Hora Veterinaria, v.130, p. 55-58, 2002. Presentations (selected) Goulart MR, Pluhar GE, Ohlfest JR. Identification of myeloid-derived suppressor cells in dogs. 98th Annual American Association of Immunologists Meeting, San Francisco CA. May 2011. Melo MS, Freitas PMC, Goulart MR, Pignaton W, Simoes JR, Pacca S. Effects of electroacupuncture on cats (Felis catus domesticus) anesthetized with isoflurane and submitted to ovariohysterectomy. 27th Brazilian Congress of Small Clinical Practice, Vitoria ES, v.1, p.20-20, 2006. Freitas PMC, Daleck CR, Melo MS, Goulart MR, Brunetto M. Effects of electroacupuncture on acute and chronic Achilles tendon healing in rabbits after late reconstruction using bovine peritoneum graft: clinical aspects. 29th Pan- American Congress of Veterinary Science. Buenos Aires, 2004.
	Homwong, Nitipong homwo001@umn.edu Degree D.V.M., Kasetsart University, Thailand, 2005 Advisor Dr. John Deen Research My research focuses on decision models and policy for culling lame sows in swine breeding herds so as to maximize sow herd productivity and profitability. Such objective functions are standardized based on pigs weaned/sow space/year. These optimal models are considered in term of the qualitative and quantitative and are being developed by using a simulation of stochastic discrete/continuous dynamic programming.
	Hunprasit, Vachira hunpr001@umn.edu Degree D.V.M., Chulalongkorn University, Thailand, 2007 Advisor Dr. Jody Lulich
	Kiefer, Kristina kief0048@umn.edu Degrees D.V.M., College of Veterinary Medicine, University of Minnesota, 2006 B.A. in Biology, Northwestern College, 2002 Advisors Dr. Elizabeth Pluhar & Dr. Mike Conzemius Research I am studying the use of adipose derived stem cells in canine orthopedic conditions, as well as characterizing the canine stem cells. Publications Kiefer K, Hottinger H, Kahn T, Ngo M, Ben-Amotz R, Magnet ingestion in dogs: two cases. J Am Anim Hosp Assoc. 2010 May-Jun;46(3):181-5. Ben-Amotz R, Liska W, Beale B, Doyle N, Kiefer K, Ilio-femoral external fixator application for temporary stabilization of recurring caudal ventral hip joint luxation in a dog following total hip replacement. Veterinary and Comparative Orthopaedics and Traumatology, 2009;22(2):159-62 Kiefer K, Davis G, Salivary Mucoceles in Nine Cats, Veterinary Medicine, Vol. 102, No. 9, September 2007 Presentations Characterization of the Immunophenotype of Canine Adipose Derived Stem Cells Following Cell Culture, University of Minnesota, Points of Pride Research Day, poster presentation, 03/09. Kiefer K, Lulich J, Rutherford M, Growth Patterns of Bladder Epithelial Cells in the Presence of Urine from Feline Interstitial Cystitis, University of Minnesota, Points of Pride Research Days, poster presentation, 03/05. Kiefer K, Lulich J, Rutherford M, Growth Patterns of Feline Bladder Epithelial Cells, University of Minnesota, Points of Pride Research Days, poster presentation, 03/04.
	Kumar, Sunil kumars@umn.edu Degrees M.V.Sc., Chaudhary Charan Singh Haryana Agricultural University, India, 2009 B.V.Sc. & A.H., Chaudhary Charan Singh Haryana Agricultural University, India, 2006 Advisor Dr. Sagar Goyal Research I am completing a molecular characterization of a novel turkey arthritis reovirus (TARV) associated with lameness in turkeys. We are also developing a simple, sensitive and specific test for early diagnosis of the virus as well as to formulate control strategies including the development of autogenous vaccines (short term goal) and live or inactivated vaccines (long term goal). Publications S.K. Mor, M. Abin, G. Costa, A. Durrani, N. Jindal, S.M. Goyal and D.P. Patnayak (2011). Role of type 2 turkey astrovirus in poult enteritis syndrome. Poultry Sci 90:2747-52. S.K. Mor, G. Narang, N. Jindal, N.K. Mahajan, P.C. Sharma and N.K. Rakha (2010). Epidemiological studies on infectious bursal disease in broiler chickens in Haryana, India. International J Poultry Sci 9:395-400. S.C. Verma, N.K. Mahajan, and S.K. Mor (2007). Epidemiological survey of various diseases of cattle and buffaloes in Haryana. Haryana Veterinarian 46:38-40. Awards Graduate Student Award, 2013 North Central Avian Disease Conference. St. Paul, MN, 2013 "Characterization of a turkey arthritis reovirus"
	Linhares, Daniel linha005@umn.edu Degrees M.B.A., Fundacao Getulio Vargas (Brazil), 2008 D.V.M., Federal Universidty of Goias (Brazil), 2003 Advisors Dr. Scott Dee & Dr. Montserrat Torremorell Research Establishment of health assurance programs for breeding stock and commercial systems Management of pig farms and boar studs including team formation and training, budgeting of costs and administration. Development and implementation of biosecurity and contingency programs, and establishment of Mycoplasma hyopneumoniae free herds Publications Linhares DC, Rovira A, Torremorell M. Evaluation of Flinders Technology Associates cards for collection and transport of samples for detection of Porcine reproductive and respiratory syndrome virus by reverse transcription polymerase chain reaction. J Vet Diagn Invest. 2012 Mar;24(2):328-32. Dwivedi V, Manickam C, Binjawadagi B, Linhares D, Murtaugh MP, Renukaradhya GJ. Evaluation of immune responses to porcine reproductive and respiratory syndrome virus in pigs during early stage of infection under farm conditions. Virol J. 2012 Feb 16;9:45. Linhares DC, Cano JP, Wetzell T, Nerem J, Torremorell M, Dee SA. Effect of modified-live porcine reproductive and respiratory syndrome virus (PRRSv) vaccine on the shedding of wild-type virus from an infected population of growing pigs. Vaccine. 2012 Jan 5;30(2):407-13. Presentations Linhares D, Rovira A, Torremorrell M. Feasibility of using FTA cards to transport samples for PRRSV testing. Poster Proc IPVS. Vancouver, British Columbia. 2010; p 515. Linhares D, Oliveira S, Torremorell M. Application of Mycoplasma hyopneumoniae P146 genotyping to an outbreak investigation. Oral Proc IPVS. Vancouver, British Columbia. 2010; p 143. Sales TP, Soares P, Brito WM, Linhares D, Lucena M L, Curado PH, Sobestiansky J. Cost Mycoplasma hyopneumoniae outbreak in Brazil. Poster Proc IPVS. Vancouver, British Columbia. 2010; p620. Barthasson DL, Soares P, Souza KM, Linhares D, Roche PM, Sobestiansky J, Brito, WM. First evidence of porcine circovirus type 2 in pigs from extensive system raising from Goias State, Brazil. Poster Proc IPVS. Vancouver, British Columbia. 2010; p 473.
	Linhares, Leticia linh0009@umn.edu Degree D.V.M., State of Goias Federal University - UFG, 2003 Advisor Dr. Peter Davies Research Ecology of Staphylococcus aureus, including methicillin-resistance S. aureus (MRSA), in swine production. Evaluation of long term patterns of colonization and infection by methicillin resistant (MRSA) and methicillin susceptible (MSSA) strains of Staphylococcus aureus in swine veterinarians.
	Lima, Joao jlima@umn.edu Degrees M.P.V.M., UC-Davis, 2008 D.V.M., Technical University of Lisbon, 2004 Advisor Dr. Scott Wells Research My current main focus is in infectious disease epidemiology and the application of statistical modeling for its control and prevention. For my PhD dissertation I’m working with bovine tuberculosis and trying to develop a risk-based surveillance methodology that would improve prevention and diagnose of the disease. Publications Denicol AC, Lopes G Jr, Mendonca LG, Rivera FA, Guagnini F, Perez RV, Lima JR, Bruno RG, Santos JE, Chebel RC. Low progesterone concentration during the development of the first follicular wave reduces pregnancy per insemination of lactating dairy cows. J Dairy Sci. 2012 Apr;95(4):1794-806. Kenyon AG, Lopes G Jr, Mendonca LG, Lima JR, Bruno RG, Denicol AC, Chebel RC. Ovarian responses and embryo survival in recipient lactating Holstein cows treated with equine chorionic gonadotropin. Theriogenology. 2012 Jan 15;77(2):400-11. Chebel RC, Guagnini FS, Santos JE, Fetrow JP, Lima JR. Sex-sorted semen for dairy heifers: effects on reproductive and lactational performances. J Dairy Sci. 2010 Jun; 93(6):2496-507. Chebel RC, Al-Hassan MJ, Fricke PM, Santos JE, Lima JR, Martel CA, Stevenson JS, Garcia R, Ax RL. Supplementation of progesterone via controlled internal drug release inserts during ovulation synchronization protocols in lactating dairy cows. J Dairy Sci. 2010 Mar; 93(3):922-31. Lima JR, Rivera FA, Narciso CD, Oliveira R, Chebel RC, Santos. JE Effect of increasing amounts of supplemental progesterone in a timed artificial insemination protocol on fertility of lactating dairy cows. J Dairy Sci. 2009 Nov; 92(11):5436-46. Presentations Joao Ribeiro Lima; Beth Thompson, Meggan Craft, Scott Wells. Network analysis of cattle movements in relation to bovine tuberculosis transmission risk in Minnesota, US. ISVEE, Maastricht, Netherlands 2012 Joao Ribeiro Lima; Michelle Carstensen, Lou Cornicelli, Bryant Carlson, Marret Grund, James Forester, Scott Wells. Patterns of cattle farm visitation by white-tailed deer in relation to bovine tuberculosis transmission risk in Minnesota, US. ISVEE, Maastricht, Netherlands 2012 Joao Ribeiro Lima, Scott Wells. Understanding animal movements to inform disease surveillance. USDA and MNBAH joint work conference, Alexandria, Minnesota, US 2012. Joao Ribeiro Lima, Elisabeth Patton, Barbara Knust, Jeff Bohn, and Scott J. Wells. Impact of vaccination against Johne’s disease on lactation performance of dairy cows: milk production, reproduction and overall culling. American Dairy Science Association – Joint Annual Meeting. 2010
	Macedo, Nubia maced004@umn.edu Degrees D.V.M., 2008 M.S., Universidade Federal de Minas Gerais, Brazil Advisors Dr. Albert Rovira & Dr. Simone Oliveira Publications Olvera A, Pina S, Macedo N, Oliveira S, Aragon V, Bensaid A. Identification of potentially virulent strains of Haemophilus parasuis using a multiplex PCR for virulence-associated autotransporters (vtaA). Vet J. 2012 Feb;191(2):213-8. Macedo NR, Oliveira SR, Lage AP, Santos JL, Araujo MR, Guedes RM. ERIC-PCR genotyping of Haemophilus parasuis isolates from Brazilian pigs. Vet J. 2011 Jun;188(3):362-4.
	Marthaler, Doug marth027@umn.edu Degree B.S., 2003 Advisor Dr. Sagar Goyal Research My research focuses on the prevalence of group A, B, and C rotavirus in the United States, with emphasis on the genetic diversity of group B and C rotavirus in the porcine population.
	Mirajkar, Nandita miraj001@umn.edu Degree BVSc & A.H., Maharashtra Animal & Fishery Sciences University, India, 2010 Advisor Dr. Connie Gebhart Research I am working towards the discovery of potential biomarkers for Mycobacterium bovis infection in wildlife, with the aid of molecular and proteomic tools. Awards American Alumni Association grant under the 'Scholars Abroad Program 2011' Grant for Indian students pursuing graduate studies abroad', awarded by the Lotus Trust Phirojshah Godrej Foundation for graduate studies abroad
	Neibert, Hollie neib0012@umn.edu Degree B.S., Northwestern College, 2007 Advisor Dr. Tim Johnson Research Currently, my research intresests are focused on investigating abundance dynamics of the bacterial microbiota in the gut of cultured hybrid tilapia in an aquaponics system and the influence of environment on their regularities between individuals, age groups, and culturing tanks.
	Royster, Erin royster@umn.edu Degrees D.V.M., North Carolina State University, 2011 B.A., Goddard College, 2001 Advisor Dr. John Fetrow Research I am working to develop, implement, and evaluate an on-line curriculum for veterinarians in mastitis, mastitis control and treatment, and the evaluation of milking systems.
	Sepulveda, Maximiliano sepul006@umn.edu Advisors Dr. Katey Pelican & Dr. Randy Singer Degrees B.S. degree in Animal Science, Universidad de Chile, December 2000 D.V.M. degree, Universidad de Chile, August 2003 Mg. Sc. degree mention in Animal Health, Universidad Austral de Chile 2010 Research Integrating different methods from ecology, epidemiology, molecular ecology and mathematical modeling I will provide understanding in how the endangered southern river otter is negatively influenced by disease transmission from invasive American mink and free-ranging dogs in the Temperate Forest of southern Chile. This novel approach to understand multiple species interactions and how these affect the transmission of pathogens and it’s consequences in endangered species have been poorly study in solitary carnivores such us otters and to date few studies have been done in South America. Publications (selected) Sepúlveda, M. A. 2006. First Binational Southern River Otter Conservation Workshop. IUCN Otter Specialist Group Bulletin. 23 (1): 35. Sepúlveda, M. A., Bartheld, J. L., Monsalve, R., Gomez, V. & Medina-Vogel, G. 2007. Habitat use and spatial behaviour by Southern river otters (Lontra provocax) in riparian habitats of Chile: Conservation implications. Biological Conservation. 140: 329-338. Sepúlveda, M. A., Franco, M., Medina, G., Fasola, L. & Alvarez, R. 2008. Lontra provocax. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org Sepúlveda, M. A., Bartheld, J.L., Meynard, C., Astorga, C., Benavides, M., Parra, D. & Medina-Vogel, G. 2009. Landscape features and crustacean prey as predictors of the Southern river otter (Lontra provocax) distribution in Chile. Animal Conservation 12 (6): 522-530. Sepúlveda, M. A., Muñoz-Zanzi, C., Rosenfeld, C., Jara, R., Pelican, K.M., Hill, D. 2011. Toxoplasma gondii in feral American minks at the Maullin River, Chile. Veterinary Parasitology 175: 60–65. Sepúlveda, M. A, M Alvarado-Rybak, C Verdugo, E Quiroz , C Valencia, C Muñoz-Zanzi, R Tamayo. (in revision). Pathogens and heavy metals findings in South American Sea Lions (Otaria flavescens, Shaw 1800) in Valdivia city, Chile. Archivos de Medicina Veterinaria. Presentations (selected) Sepúlveda, M.A., Jara, R., Rosenfeld, C., González-Acuña, D., Muñoz-Zanzi, C., Pelican, K. M. 2009. Disease and ecological aspects in alien american mink (Neovison vison) at the Maullín River, Chile. 10th International Mammalogist Conference. SAREM,Mendoza, Argentina. Poster. Sepúlveda, M. A., Rodríguez-Jorquera, I. 2009. Otter or guigna latrines? Detecting interactions in riparian habitats in Southern Chile. XVI Annual Meeting of the Chilean Ecological Society. Valdivia, Chile. Poster. Sepúlveda, M. A. 2009. Enfermedades y aspectos ecológicos del Visón Americano (Neovison vison) en el rio Maullin, Chile. Simposio de Carnívoros-Complejidades en la Biología de la Conservación. Universidad Católica de Chile. Invited oral ponence. Sepúlveda, M. A. 2009. Invasores, domésticos y amenazados: carnívoros en medicina de la conservación. Primer Simposio Nacional. Universidad Andres Bello. Invited oral ponence. Sepúlveda, M. A., Rojas-Leyton, M., Espinosa, A., Jara, Aleuy, O. A., R., Pelican, K., Sanchez, C. 2010. Anesthesia and intra-abdominal radio implantation using a paralumbar approach in American Mink (Neovison vison). 59th Wildlife Disease Association Annual Meeting. Iguazu, Argentina. Poster.
	Sharaf el Din, Tamer Ahmed shara022@umn.edu Degrees M.V.Sc., Zagazig University, Egypt, 2008 B.V.Sc, Zagazig University, Egypt, 2004 Advisors Dr. Sagar Goyal & Dr. Rob Porter Research I am studying pathogenesis and immunology of enteric viruses in the turkey. My research aims to characterize the roles of co-infections with astrovirus, reovirus and rotavirus in the pathogenesis of turkey enteritis. In addition, I investigate innate and adaptive immune responses and the interaction of astrovirus, reovirus and rotavirus in co-infected poults.
	Sun, Jisun sunxx801@umn.edu Degrees M.S., Preventive Medicine, Kangwon National University, Republic of Korea, 2012 D.V.M., Kangwon National University, Republic of Korea, 2010 Advisor Dr. Peter Davies
	Tatarniuk, Dane tatar014@umn.edu Degree D.V.M., University of Saskatchewan, 2011 Advisor Dr. Troy Trumble
	Teixeira, Raffaella teixe005@umn.edu Degree D.V.M., Universidade Paulista, Brazil, 2004 Advisor Dr. Molly McCue Research A correlation between the gray coat color and melanoma development has long been recognized with up to 80% of gray horses older than 15 years developing melanoma. Both graying and melanoma formation have been linked to a duplication in the Syntaxin 17 (STX17) gene, with the STX17 genotype affecting melanoma grade and severity in the Lipizzaner breed. An ASIP mutation, responsible for the bay/black coat color modifies melanoma risk in gray horses, with increased melanoma severity potentially due to an increase in MC1R pathway signaling. We have identified a population of gray Quarter Horses (QH) that appear to have a decreased melanoma risk. The objective of our study is to determine if the decreased incidence of melanoma in gray QH is related to decreased MC1R signaling resulting from the MC1R chestnut coat color allele. Identification of genetic factors that result in altered melanoma susceptibility will allow for more accurate assessment of prognosis and metastasis risk in horses with dermal melanomas. Presentations Genetic determinants of melanoma susceptibility in gray horses, 2012 ACVIM Forum, New Orleans, LA, May 31, 2012.
	Tousignant, Steve tous0026@umn.edu Degrees D.V.M., University of Minnesota, 2011 B.S., University of Minnesota, 2008 Advisor Dr. Bob Morrison Research My research focus is on the epidemiology of PRRS virus in swine herds with an interest in risk factors of infection including spatial and temporal analysis and mapping. We have worked to develop a database of 10 production companies, of approximately 300 sow herds, representing nearly 1,000,000 sows in 14 states. Using this database, we have designed field trials to understand the effect of PRRS vaccination on the frequency and variety of PRRS viruses detected in air within a region. I have also conducted several trials on the role of oral vitamin D3 supplementation in suckling and post-weaned pigs and the response in performance and immune function. Publications Tousignant S., Henry S., Rovira A., Morrison R. Effect of oral vitamin D3 supplementation on growth and serum 25-hydroxy vitamin D levels in pigs up to 7 weeks of age (under review). Tousignant S., Morrison R. National PRRS project provides infection rate. National Hog Farmer Online, July 2012. Tousignant S., Morrison R. Are you ready for PRRS season? Pork Magazine, November 2012. Presentations Tousignant S., Morrison R. (2010). A survey of anaerobic digesters on swine farms (student poster session). American Association of Swine Veterinarians, Omaha, Nebraska. Tousignant S., Henry S., Morrison R. (2011). A field trial to determine effect of vitamin D oral supplementation (oral presentation). Allen D. Leman Swine Conference, St. Paul, MN. Tousignant S., Goede D., Morrison R. (2012). Identifying areas at high risk for epidemic spread of PRRS virus (oral presentation). Allen D. Leman Swine Conference, St. Paul, MN. Tousignant S., Morrison R. (2012). Sow herd PRRS incidence/prevalence project (oral presentation). Allen D. Leman Swine Conference, St. Paul, MN. Tousignant S., Rovira A., Morrison R. (2012). Reproduction of Peri Weaning Failure to Thrive Syndrome in weaned pigs and effect of supplemental vitamin D (oral presentation). Allen D. Leman Swine Conference, St. Paul, MN. Grants Morrison R., Tousignant S. (co-investigator). Impact of pig farm density on incidence of PRRS in a cohort of sow herds. National Pork Board. Funding begins October 2012. Morrison R., Tousignant S. (co-investigator). A pilot study to determine risk of PRRS infection from 3 years of retrospective data as a means of predicting future outbreaks in a large sample of US sow herds. College of Veterinary Medicine, Population systems signature series grant. Funding begins October 2012. Awards National Needs Fellowship in Food Animal Biosecurity: Infectious Disease Biology. Fellowship begins January 2013.
	Vannucci, Fabio vannu008@umn.edu Degrees M.S., Universidade Federal de Minas Gerais (Brazil), 2009 D.V.M., Universidade Federal de Vicosa (Brazil), 2006 Advisor Dr. Connie Gebhart Research My research focus is on infectious diseases with special interest in proliferative enteropathy caused by Lawsonia intracellularis. Currently, we are studying mechanisms of host-pathogen interaction and cross-species transmission. Publications Pusterla N, Vannucci FA, Mapes SM, Nogradi N, Collier JR, Hill JA, Difrancesco M, White AM, Akana NK, Simonek G, Gebhart CJ. Efficacy of an avirulent live vaccine against Lawsonia intracellularis in the prevention of proliferative enteropathy in experimentally infected weanling foals. Am J Vet Res. 2012 May;73(5):741-6. Vannucci FA, Wattanaphansak S, Gebhart CJ. An alternative method for cultivation of Lawsonia intracellularis. J Clin Microbiol. 2012 Mar;50(3):1070-2. Vannucci, F.A.; Borges, E.L.; Oliveira, J. S. V.; Guedes, R. M. C.; Intestinal absorption and histomorphometry of Syrian hamsters (Mesocricetus auratus) experimentally infected with Lawsonia intracellularis. Veterinary Microbiology, 145:286, 2010. Vannucci, F. A.; Guedes, R. M. C. Pathophysiology of swine diarrhea. Ciência Rural, v. 39, p. 2233-2242, 2009. Vannucci, F. A.; Rocha, B. D. ; Issa, E. C. ; Guedes, R. M. C. . Persistent Mullerian duct syndrome in dog - Case Report. Veterinária Notícias, v. 14, p. 71-75, 2008. Vannucci, F. A.; Guedes, R. M. C. Basic Diarrhea Mechanisms in Swine. Official Journal of Veterinary Association of Minas Gerais, Belo Horizonte - Brazil, p. 19 - 24, 2008. Presentations An alternative protocol for cultivation of Lawsonia intracellularis. 21st International Pig Veterinary Society (IPVS) Congress, 2010 – Vancouver, Canada. Intestinal absorption and histomorphometry of Syrian hamsters (Mesocricetus auratus) experimentally infected with Lawsonia intracellularis. 21st International Pig Veterinary Society (IPVS) Congress, 2010 – Vancouver, Canada. Awards Doctoral Dissertation Fellowship, 2012 Annual meeting of the American Association of Veterinary Laboratory Diagnosticians – Greensboro, NC, Oct, 2012 Best oral presentation in the Bacteriology section: Species specificity and molecular typing of porcine and equine Lawsonia intracellularis isolates. 22nd International Pig Veterinary Society Congress – Jeju, South Korea, July, 2012 Travel award for the oral presentation: Transcriptional profiling of pathogenic and non-pathogenic homologous Lawsonia intracellularis isolates in vitro.
	Varshney, Jyotika varsh005@umn.edu Degrees M.S., Pathobiology, Pennsylvania State University, 2012 BVSc. & A.H., Anand Agricultural University, India, 2009 Advisor Dr. Srinand Sreevatsan Publication Varshney, J.; Ooi, J.H.; Jayarao, B..M.; Istvan, A.; Fisher, J.; Smith, R.; Patterson, A.; Cantorna, M.T. White button mushrooms increase microbial diversity and accelerate the resolution of Citrobacter rodentium infection in mice. The Journal of Nutrition. Published ahead of print Jan 2013. doi: 10.3945/jn.112.171355.