Adam Birkenheuer

LeVine, D. N., Kidd, L., Garden, O. A., Brooks, M. B., Goggs, R., Kohn, B., … Spada, E. (2024, May 16). ACVIM consensus statement on the diagnosis of immune thrombocytopenia in dogs and cats. JOURNAL OF VETERINARY INTERNAL MEDICINE, Vol. 5. https://doi.org/10.1111/jvim.16996

Mosichuk, A. P., Wimbish, C., Poplawski, K., Birkenheuer, A., Harrell, K., & Pierce, K. V. (2024). Case report: Severe hepatopathy following rivaroxaban administration in a dog. FRONTIERS IN VETERINARY SCIENCE, 11. https://doi.org/10.3389/fvets.2024.1364677

Weerarathne, P., Maker, R., Huang, C., Taylor, B., Cowan, S. R., Hyatt, J., … Miller, C. A. (2023). A Novel Vaccine Strategy to Prevent Cytauxzoonosis in Domestic Cats. VACCINES, 11(3). https://doi.org/10.3390/vaccines11030573

Yang, T. S., LaDouceur, E. E. B., Baumgartner, W. A., Marr, H. S., Karounos, M., Robertson, J., … Birkenheuer, A. J. (2023). A practical protocol to prepare paraffin-embedded whole tick histology sections. TICKS AND TICK-BORNE DISEASES, 14(4). https://doi.org/10.1016/j.ttbdis.2023.102162

Anderson, K. L., Birkenheuer, A., Moore, G. E., & Kendall, A. (2023). A retrospective study of vector borne disease prevalence among anemic dogs in North Carolina. PLOS ONE, 18(11). https://doi.org/10.1371/journal.pone.0293901

Yang, T. S., Reichard, M. V., Thomas, J. E., Miller, L. S., Marr, H. S., Karounos, M., … Birkenheuer, A. J. (2023). Cytauxzoon felis in salivary glands of Amblyomma americanum. TICKS AND TICK-BORNE DISEASES, 14(1). https://doi.org/10.1016/j.ttbdis.2022.102056

Grady, K., Ernst, E., Secoura, P. L., Price, J., Birkenheuer, A., Vaden, S. L., … Tolbert, M. K. (2023, October 24). Gastric pH and serum gastrin concentration in age-matched healthy dogs and dogs with chronic kidney disease. JOURNAL OF VETERINARY INTERNAL MEDICINE, Vol. 10. https://doi.org/10.1111/jvim.16907

Yang, T. S., Reichard, M. V., Thomas, J. E., Marr, H. S., Karounos, M., Hyatt, J., … Birkenheuer, A. J. (2023). Transmission of Cytauxzoon felis by injection of Amblyomma americanum salivary glands. PARASITOLOGY INTERNATIONAL, 95. https://doi.org/10.1016/j.parint.2023.102753

Kao, Y.-F., Spainhour, R., Cowan, S. R., Nafe, L., Birkenheuer, A., Reichard, M. V., & Miller, C. A. (2022). A Serodiagnostic IgM ELISA to Detect Acute Cytauxzoonosis. PATHOGENS, 11(10). https://doi.org/10.3390/pathogens11101183

Dear, J. D., & Birkenheuer, A. (2022). Babesia in North America An Update. VETERINARY CLINICS OF NORTH AMERICA-SMALL ANIMAL PRACTICE, 52(6), 1193–1209. https://doi.org/10.1016/j.cvsm.2022.07.016

Cerreta, A. J., Yang, T. S., Ramsay, E. C., Birkenheuer, A. J., Rahoi, D., Qurollo, B., … Cushing, A. C. (2022). DETECTION OF VECTOR-BORNE INFECTIONS IN LIONS AND TIGERS AT TWO ZOOS IN TENNESSEE AND OKLAHOMA, USA. JOURNAL OF ZOO AND WILDLIFE MEDICINE, 53(1), 50–59. https://doi.org/10.1638/2020-0199

Yang, T. S., Reichard, M. V., Marr, H. S., Cohn, L. A., Nafe, L., Whitehurst, N., & Birkenheuer, A. J. (2022). Direct injection of Amblyomma americanum ticks with Cytauxzoon felis. TICKS AND TICK-BORNE DISEASES, 13(1). https://doi.org/10.1016/j.ttbdis.2021.101847

Garrett, K., Halseth, A., Ruder, M. G., Beasley, J., Shock, B., Birkenheuer, A. J., … Yabsley, M. J. (2022). Prevalence and genetic characterization of a Babesia microti-like species in the North American river otter (Lontra canadensis). VETERINARY PARASITOLOGY- REGIONAL STUDIES AND REPORTS, 29. https://doi.org/10.1016/j.vprsr.2022.100696

Hedgespeth, B. A., Birkenheuer, A. J., Friedenberg, S. G., Olby, N. J., & Meurs, K. M. (2021). A novel missense mutation of the NAT10 gene in a juvenile Schnauzer dog with chronic respiratory tract infections. JOURNAL OF VETERINARY INTERNAL MEDICINE, 35(3), 1542–1546. https://doi.org/10.1111/jvim.16100

Baneth, G., Nachum-Biala, Y., Birkenheuer, A. J., Schreeg, M. E., Prince, H., Florin-Christensen, M., … Aroch, I. (2020). A new piroplasmid species infecting dogs: morphological and molecular characterization and pathogeny of Babesia negevi n. sp. PARASITES & VECTORS, 13(1). https://doi.org/10.1186/s13071-020-3995-5

Hartley, A. N., Marr, H. S., & Birkenheuer, A. J. (2020). Cytauxzoon felis cytochrome b gene mutation associated with atovaquone and azithromycin treatment. JOURNAL OF VETERINARY INTERNAL MEDICINE, 34(6), 2432–2437. https://doi.org/10.1111/jvim.15935

Birkenheuer, A. J., Buch, J., Beall, M. J., Braff, J., & Chandrashekar, R. (2020). Global distribution of canine Babesia species identified by a commercial diagnostic laboratory. VETERINARY PARASITOLOGY- REGIONAL STUDIES AND REPORTS, 22. https://doi.org/10.1016/j.vprsr.2020.100471

Birkenheuer, A. J., Royal, K. D., Cerreta, A., Hemstreet, D., Lunn, K. F., Gookin, J. L., & McGarvey, S. (2020). Perceptions and attitudes of Small Animal Internal Medicine specialists toward the publication requirement for board certification. JOURNAL OF VETERINARY INTERNAL MEDICINE, 34(2), 574–580. https://doi.org/10.1111/jvim.15717

Cohn, L. A., Shaw, D., Shoemake, C., & Birkenheuer, A. J. (2020). Second illness due to subsequent Cytauxzoon felis infection in a domestic cat. Journal of Feline Medicine and Surgery Open Reports. https://doi.org/10.1177/2055116920908963

Easley, F., Holowaychuk, M. K., Lashnits, E. W., Nordone, S. K., Marr, H., & Birkenheuer, A. J. (2020). Serum procalcitonin concentrations in dogs with induced endotoxemia. Journal of Veterinary Internal Medicine, 1. https://doi.org/10.1111/jvim.15711

Kendall, A., Keenihan, E., Kern, Z. T., Lindaberry, C., Birkenheuer, A., Moore, G. E., & Vaden, S. L. (2020). Three-dimensional bladder ultrasound for estimation of urine volume in dogs compared with traditional 2-dimensional ultrasound methods. JOURNAL OF VETERINARY INTERNAL MEDICINE, 34(6), 2460–2467. https://doi.org/10.1111/jvim.15959

Neupane, P., Sevala, S., Balakrishnan, N., Marr, H., Wilson, J., Maggi, R., … Breitschwerdt, E. B. (2020). Validation of Bartonella henselae Western Immunoblotting for Serodiagnosis of Bartonelloses in Dogs. JOURNAL OF CLINICAL MICROBIOLOGY, 58(4). https://doi.org/10.1128/JCM.01335-19

Garden, O. A., Kidd, L., Mexas, A. M., Chang, Y.-M., Jeffery, U., Blois, S. L., … Szladovits, B. (2019). ACVIM consensus statement on the diagnosis of immune-mediated hemolytic anemia in dogs and cats. JOURNAL OF VETERINARY INTERNAL MEDICINE, 33(2), 313–334. https://doi.org/10.1111/jvim.15441

DiVincenti, L., Garner, M., Thomas, B., & Birkenheuer, A. (2019). Babesia sp. infection in a zoo-housed polar bear (Ursus maritimus). Veterinary Parasitology: Regional Studies and Reports. https://doi.org/10.1016/j.vprsr.2019.100350

Naor, A. W., Lindemann, D. M., Schreeg, M. E., Marr, H. S., Birkenheuer, A. J., Carpenter, J. W., & Ryseff, J. K. (2019). Clinical, morphological, and molecular characterization of an undetermined Babesia species in a maned wolf (Chrysocyon brachyurus). TICKS AND TICK-BORNE DISEASES, 10(1), 124–126. https://doi.org/10.1016/j.ttbdis.2018.09.005

Barash, N. R., Thomas, B., Birkenheuer, A. J., Breitschwerdt, E. B., Lemler, E., & Qurollo, B. A. (2019). Prevalence of
            Babesia
            spp. and clinical characteristics of
            Babesia vulpes
            infections in North American dogs. Journal of Veterinary Internal Medicine, 7. https://doi.org/10.1111/jvim.15560

Barash, N. R., Birkenheuer, A. J., Vaden, S. L., & Jacob, M. E. (2018). Agreement between Parallel Canine Blood and Urine Cultures: Is Urine Culture the Poor Man's Blood Culture? JOURNAL OF CLINICAL MICROBIOLOGY, 56(9). https://doi.org/10.1128/JCM.00506-18

Barash, N. R., Birkenheuer, A. J., Vaden, S. L., & Jacob, M. E. (2018). Agreement between parallel canine blood and urine cultures: Is urine culture the poor man's blood culture? Journal of Clinical Microbiology. https://doi.org/10.1128/JCM.00506-1810

Ullal, T., Birkenheuer, A., & Vaden, S. (2018). Azotemia and Proteinuria in Dogs Infected with Babesia gibsoni. JOURNAL OF THE AMERICAN ANIMAL HOSPITAL ASSOCIATION, 54(3), 156–160. https://doi.org/10.5326/jaaha-ms-6693

Birkenheuer, A. J., Marr, H. S., Wilson, J. M., Breitschwerdt, E. B., & Qurollo, B. A. (2018). Babesia gibsoni
 cytochrome b mutations in canine blood samples submitted to a US veterinary diagnostic laboratory. Journal of Veterinary Internal Medicine, 32(6), 1965–1969. https://doi.org/10.1111/jvim.15300

Neupane, P., Hegarty, B. C., Marr, H. S., Maggi, R. G., Birkenheuer, A. J., & Breitschwerdt, E. B. (2018). Evaluation of cell culture-grown Bartonella
 antigens in immunofluorescent antibody assays for the serological diagnosis of bartonellosis in dogs. Journal of Veterinary Internal Medicine, 32(6), 1958–1964. https://doi.org/10.1111/jvim.15301

Khana, D. B., Peterson, D. S., Stanton, J. B., Schreeg, M. E., Birkenheuer, A. J., & Tarigo, J. L. (2018). Genetic conservation of Cytauxzoon felis antigens and mRNA expression in the schizont life-stage. VETERINARY PARASITOLOGY, 263, 49–53. https://doi.org/10.1016/j.vetpar.2018.10.007

Schreeg, M. E., Marr, H. S., Tarigo, J. L., Sherrill, M. K., Outi, H. K., Scholl, E. H., … Birkenheuer, A. J. (2018). Identification of Cytauxzoon felis antigens via protein microarray and assessment of expression library immunization against cytauxzoonosis. CLINICAL PROTEOMICS, 15(1). https://doi.org/10.1186/s12014-018-9218-9

Kovačević Filipović, M. M., Beletić, A. D., Ilić Božović, A. V., Milanović, Z., Tyrrell, P., Buch, J., … Chandrashekar, R. (2018). Molecular and Serological Prevalence of Anaplasma phagocytophilum, A. platys, Ehrlichia canis, E. chaffeenses, E. ewingii, Borrelia burgdorferi, Babesia canis, B. gibsoni and B. vogeli among Clinically Healthy Outdoor Dogs in Serbia. Veterinary Parasitology: Regional Studies and Reports, 14, 117–122. https://doi.org/10.1016/J.VPRSR.2018.10.001

Mylonakis, M. E., Schreeg, M., Chatzis, M. K., Pearce, J., Marr, H. S., Saridomichelakis, M. N., & Birkenheuer, A. J. (2018). Molecular detection of vector-borne pathogens in Greek cats. TICKS AND TICK-BORNE DISEASES, 9(2), 171–175. https://doi.org/10.1016/j.ttbdis.2017.08.013

Lashnits, E., Correa, M., Hegarty, B. C., Birkenheuer, A., & Breitschwerdt, E. B. (2017). Bartonella
 Seroepidemiology in Dogs from North America, 2008-2014. Journal of Veterinary Internal Medicine, 32(1), 222–231. https://doi.org/10.1111/jvim.14890

LeVine, D. N., Cianciolo, R. E., Linder, K. E., Bizikova, P., Birkenheuer, A. J., Brooks, M. B., … Key, N. S. (2017). Endothelial alterations in a canine model of immune thrombocytopenia. Platelets, 30(1), 88–97. https://doi.org/10.1080/09537104.2017.1378807

Qurollo, B. A., Archer, N. R., Schreeg, M. E., Marr, H. S., Birkenheuer, A. J., Haney, K. N., … Breitschwerdt, E. B. (2017). Improved molecular detection of Babesia infections in animals using a novel quantitative real-time PCR diagnostic assay targeting mitochondrial DNA. Parasites & Vectors, 10(1). https://doi.org/10.1186/s13071-017-2064-1

Manning, K., Birkenheuer, A. J., Briley, J., Montgomery, S. A., Harris, J., Vanone, S. L., & Gookin, J. L. (2016). Intermittent At-Home Suctioning of Esophageal Content for Prevention of Recurrent Aspiration Pneumonia in 4 Dogs with Megaesophagus. JOURNAL OF VETERINARY INTERNAL MEDICINE, 30(5), 1715–1719. https://doi.org/10.1111/jvim.14527

Schreeg, M. E., Marr, H. S., Tarigo, J. L., Cohn, L. A., Bird, D. M., Scholl, E. H., … Birkenheuer, A. J. (2016). Mitochondrial Genome Sequences and Structures Aid in the Resolution of Piroplasmida phylogeny. PLOS ONE, 11(11). https://doi.org/10.1371/journal.pone.0165702

Schreeg, M. E., Marr, H. S., Griffith, E. H., Tarigo, J. L., Bird, D. M., Reichard, M. V., … Birkenheuer, A. J. (2016). PCR amplification of a multi-copy mitochondrial gene (cox3) improves detection of Cytauxzoon felis infection as compared to a ribosomal gene (18S). VETERINARY PARASITOLOGY, 225, 123–130. https://doi.org/10.1016/j.vetpar.2016.06.013

Wardrop, K. J., Birkenheuer, A., Blais, M. C., Callan, M. B., Kohn, B., Lappin, M. R., & Sykes, J. (2016). Update on Canine and Feline Blood Donor Screening for Blood-Borne Pathogens. JOURNAL OF VETERINARY INTERNAL MEDICINE, 30(1), 15–35. https://doi.org/10.1111/jvim.13823

Conner, B. J., Hanel, R. M., Brooks, M. B., Cohn, L. A., & Birkenheuer, A. J. (2015). Coagulation abnormalities in 5 cats with naturally occurring cytauxzoonosis. JOURNAL OF VETERINARY EMERGENCY AND CRITICAL CARE, 25(4), 538–545. https://doi.org/10.1111/vec.12326

Vandersea, M. W., Birkenheuer, A. J., Litaker, R. W., Vaden, S. L., Renschler, J. S., & Gookin, J. L. (2015). Identification of Parabodo caudatus (class Kinetoplastea) in urine voided from a dog with hematuria. JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION, 27(1), 117–120. https://doi.org/10.1177/1040638714562827

Rizzi, T. E., Reichard, M. V., Cohn, L. A., Birkenheuer, A. J., Taylor, J. D., & Meinkoth, J. H. (2015). Prevalence of Cytauxzoon felis infection in healthy cats from enzootic areas in Arkansas, Missouri, and Oklahoma. PARASITES & VECTORS, 8. https://doi.org/10.1186/s13071-014-0618-z

Schreeg, M. E., Marr, H. S., Tarigo, J. L., Cohn, L. A., Levy, M. G., & Birkenheuer, A. J. (2015). Rapid High-Resolution Melt Analysis of Cytauxzoon felis Cytochrome b To Aid in the Prognosis of Cytauxzoonosis. JOURNAL OF CLINICAL MICROBIOLOGY, 53(8), 2517–2524. https://doi.org/10.1128/jcm.00635-15

LeVine, D. N., Birkenheuer, A. J., Brooks, M. B., Nordone, S. K., Bellinger, D. A., Jones, S. L., … Key, N. S. (2014). A novel canine model of immune thrombocytopenia: has immune thrombocytopenia (ITP) gone to the dogs? British Journal of Haematology, 167(1), 110–120. https://doi.org/10.1111/bjh.13005

Maggi, R. G., Birkenheuer, A. J., Hegarty, B. C., Bradley, J. M., Levy, M. G., & Breitschwerdt, E. B. (2014). Comparison of serological and molecular panels for diagnosis of vector-borne diseases in dogs. Parasites & Vectors, 7(1), 127. https://doi.org/10.1186/1756-3305-7-127

Pritchard, J. C., Birkenheuer, A. J., Hanel, R. M., & Wood, M. W. (2014). Copperhead (Agkistrodon contortrix) envenomation of dogs: 52 cases (2004-2011). Journal of the American Animal Hospital Association. https://doi.org/10.5326/JAAHA-MS-6131

Lewis, K. M., Cohn, L. A., Marr, H. S., & Birkenheuer, A. J. (2014). Failure of efficacy and adverse events associated with dose-intense diminazene diaceturate treatment of chronic Cytauxzoon felis infection in five cats. JOURNAL OF FELINE MEDICINE AND SURGERY, 16(2), 157–163. https://doi.org/10.1177/1098612x13502974

Floras, A. N. K., Holowaychuk, M. K., Hodgins, D. C., Marr, H. S., Birkenheuer, A., Sharif, S., … Bienzle, D. (2014). Investigation of a Commercial ELISA for the Detection of Canine Procalcitonin. JOURNAL OF VETERINARY INTERNAL MEDICINE, 28(2), 599–602. https://doi.org/10.1111/jvim.12309

Balakrishnan, N., Pritchard, J., Ericson, M., Grindem, C., Phillips, K., Jennings, S., … al. (2014). Prostatitis, Steatitis, and Diarrhea in a Dog following Presumptive Flea-Borne Transmission of Bartonella henselae. Journal of Clinical Microbiology, 52(9), 3447–3452. https://doi.org/10.1128/jcm.00942-14

Yancey, C. B., Hegarty, B. C., Qurollo, B. A., Levy, M. G., Birkenheuer, A. J., Weber, D. J., … Breitschwerdt, E. B. (2014). Regional Seroreactivity and Vector-Borne Disease Co-Exposures in Dogs in the United States from 2004–2010: Utility of Canine Surveillance. Vector-Borne and Zoonotic Diseases, 14(10), 724–732. https://doi.org/10.1089/vbz.2014.1592

Li, J., D’Annibale-Tolhurst, M. A., Adler, K. B., Fang, S., Yin, Q., Birkenheuer, A. J., … Nordone, S. K. (2013). A Myristoylated Alanine-Rich C Kinase Substrate–Related Peptide Suppresses Cytokine mRNA and Protein Expression in LPS-Activated Canine Neutrophils. American Journal of Respiratory Cell and Molecular Biology, 48(3), 314–321. https://doi.org/10.1165/rcmb.2012-0278oc

Tarigo, J. L., Scholl, E. H., Bird, D. M. K., Brown, C. C., Cohn, L. A., Dean, G. A., … Birkenheuer, A. J. (2013). A Novel Candidate Vaccine for Cytauxzoonosis Inferred from Comparative Apicomplexan Genomics. PLOS ONE, 8(8). https://doi.org/10.1371/journal.pone.0071233

Qurollo, B. A., Davenport, A. C., Sherbert, B. M., Grindem, C. B., Birkenheuer, A. J., & Breitschwerdt, E. B. (2013). Infection with Panola MountainEhrlichiasp. in a Dog with Atypical Lymphocytes and Clonal T-Cell Expansion. Journal of Veterinary Internal Medicine, 27(5), 1251–1255. https://doi.org/10.1111/jvim.12148

Schreeg, M. E., Marr, H. S., Tarigo, J., Cohn, L. A., Levy, M. G., & Birkenheuer, A. J. (2013). Pharmacogenomics of Cytauxzoon felis Cytochrome b: Implications for Atovaquone and Azithromycin Therapy in Domestic Cats with Cytauxzoonosis. JOURNAL OF CLINICAL MICROBIOLOGY, 51(9), 3066–3069. https://doi.org/10.1128/jcm.01407-13

Palerme, J.-S., Brown, J. C., Marks, S. L., & Birkenheuer, A. J. (2013). Splenosystemic Shunts in Cats: A Retrospective of 33 Cases (2004-2011). JOURNAL OF VETERINARY INTERNAL MEDICINE, 27(6), 1347–1353. https://doi.org/10.1111/jvim.12188

Owens, S. L., Downey, M. E., Pressler, B. M., Birkenheuer, A. J., Chandler, D. W., & Scott-Moncrieff, J. C. (2012). Congenital Adrenal Hyperplasia Associated with Mutation in an 11 ss-Hydroxylase-Like Gene in a Cat. JOURNAL OF VETERINARY INTERNAL MEDICINE, 26(5), 1221–1226. https://doi.org/10.1111/j.1939-1676.2012.00971.x

Lewis, K. M., Cohn, L. A., Marr, H. S., & Birkenheuer, A. J. (2012). Diminazene Diaceturate for Treatment of Chronic Cytauxzoon felis Parasitemia in Naturally Infected Cats. Journal of Veterinary Internal Medicine. https://doi.org/10.1111/j.1939-1676.2012.01003.x

Lewis, K. M., Cohn, L. A., Downey, M. E., Whitney, M. S., & Birkenheuer, A. J. (2012). Evaluation of Cytauxzoon felis infection status in captive-born wild felids housed in an area endemic for the pathogen. JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, 241(8), 1088–1092. https://doi.org/10.2460/javma.241.8.1088

Holowaychuk, M. K., Birkenheuer, A. J., Li, J., Marr, H., Boll, A., & Nordone, S. K. (2012). Hypocalcemia and Hypovitaminosis D in Dogs with Induced Endotoxemia. JOURNAL OF VETERINARY INTERNAL MEDICINE, 26(2), 244–251. https://doi.org/10.1111/j.1939-1676.2012.00886.x

Lewis, K. M., Cohn, L. A., & Birkenheuer, A. J. (2012). Lack of evidence for perinatal transmission of Cytauxzoon felis in domestic cats. VETERINARY PARASITOLOGY, 188(1-2), 172–174. https://doi.org/10.1016/j.vetpar.2012.02.019

Stowe, D. M., Birkenheuer, A., & Grindem, C. B. (2012). Pathology in practice. Intraerythrocytic infection with organisms consistent with a  large Babesia sp. Journal of the American Veterinary Medical Association, 241(8), 1029–1031. https://doi.org/10.2460/javma.241.8.1029

Lewis, K. M., Cohn, L. A., Birkenheuer, A. J., & Papich, M. G. (2012). Pharmacokinetics of diminazene diaceturate in healthy cats. JOURNAL OF VETERINARY PHARMACOLOGY AND THERAPEUTICS, 35(6), 608–610. https://doi.org/10.1111/j.1365-2885.2011.01359.x

Di Cicco, M. F., Downey, M. E., Beeler, E., Marr, H., Cyrog, P., Kidd, L., … Birkenheuer, A. J. (2012). Re-emergence of Babesia conradae and effective treatment of infected dogs with atovaquone and azithromycin. VETERINARY PARASITOLOGY, 187(1-2), 23–27. https://doi.org/10.1016/j.vetpar.2012.01.006

Shock, B. C., Birkenheuer, A. J., Patton, L. L., Olfenbuttel, C., Beringer, J., Grove, D. M., … Yabsley, M. J. (2012). Variation in the ITS-1 and ITS-2 rRNA genomic regions of Cytauxzoon felis from bobcats and pumas in the eastern United States and comparison with sequences from domestic cats. Veterinary Parasitology, 190(1-2), 29–35. https://doi.org/10.1016/j.vetpar.2012.06.010

Cohn, L. A., Birkenheuer, A. J., Brunker, J. D., Ratcliff, E. R., & Craig, A. W. (2011). Efficacy of Atovaquone and Azithromycin or Imidocarb Dipropionate in Cats with Acute Cytauxzoonosis. JOURNAL OF VETERINARY INTERNAL MEDICINE, 25(1), 55–60. https://doi.org/10.1111/j.1939-1676.2010.0646.x

Li, J., Birkenheuer, A. J., Marr, H. S., Levy, M. G., Yoder, J. A., & Nordone, S. K. (2011). Expression and function of triggering receptor expressed on myeloid cells-1 (TREM-1) on canine neutrophils. Developmental & Comparative Immunology, 35(8), 872–880. https://doi.org/10.1016/j.dci.2011.03.021

Levy, J. K., Lappin, M. R., Glaser, A. L., Birkenheuer, A. J., Anderson, T. C., & Edinboro, C. H. (2011). Prevalence of infectious diseases in cats and dogs rescued following Hurricane Katrina. JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, 238(3), 311–317. https://doi.org/10.2460/javma.238.3.311

Hummel, J., Grooters, A., Davidson, G., Jennings, S., Nicklas, J., & Birkenheuer, A. (2011). Successful management of gastrointestinal pythiosis in a dog using itraconazole, terbinafine, and mefenoxam. MEDICAL MYCOLOGY, 49(5), 539–542. https://doi.org/10.3109/13693786.2010.543705

Clancey, N., Horney, B., Burton, S., Birkenheuer, A., McBurney, S., & Tefft, K. (2010). Babesia (Theileria) annae in a Red Fox (Vulpes vulpes) from Prince Edward Island, Canada. Journal of Wildlife Diseases, 46(2), 615–621. https://doi.org/10.7589/0090-3558-46.2.615

Kamani, J., Sannusi, A., Dogo, A. G., Tanko, J. T., Egwu, K. O., Tafarki, A. E., … Birkenheuer, A. J. (2010). Babesia canis and Babesia rossi co-infection in an untraveled Nigerian dog. VETERINARY PARASITOLOGY, 173(3-4), 334–335. https://doi.org/10.1016/j.vetpar.2010.06.040

Birkenheuer, A. J., Horney, B., Bailey, M., Scott, M. B., Sherbert, B., Catto, V., … Ballman, A. E. (2010). Babesia microti-like infections are prevalent in North American foxes. VETERINARY PARASITOLOGY, 172(3-4), 179–182. https://doi.org/10.1016/j.vetpar.2010.05.020

Sikorski, L. E., Birkenheuer, A. J., Holowaychuk, M. K., McCleary-Wheeler, A. L., Davis, J. M., & Littman, M. P. (2010). Babesiosis Caused by a Large Babesia Species in 7 Immunocompromised Dogs. JOURNAL OF VETERINARY INTERNAL MEDICINE, 24(1), 127–131. https://doi.org/10.1111/j.1939-1676.2009.0440.x

Barber, R. M., Li, Q., Diniz, P. P. V. P., Porter, B. F., Breitschwerdt, E. B., Claiborne, M. K., … Schatzberg, S. J. (2010). Evaluation of Brain Tissue or Cerebrospinal Fluid with Broadly Reactive Polymerase Chain Reaction for Ehrlichia, Anaplasma, Spotted Fever Group Rickettsia, Bartonella, and Borrelia Species in Canine Neurological Diseases (109 Cases). Journal of Veterinary Internal Medicine, 24(2), 372–378. https://doi.org/10.1111/j.1939-1676.2009.0466.x

Chinnadurai, S. K., Birkenheuer, A. J., Blanton, H. L., Maggi, R. G., Belfiore, N., Marr, H. S., … Stoskopf, M. K. (2010). Prevalence of Selected Vector-borne Organisms and Identification of Bartonella Species DNA in North American River Otters (Lontra canadensis). Journal of Wildlife Diseases, 46(3), 947–950. https://doi.org/10.7589/0090-3558-46.3.947

Bartlett, S. L., Abou-Madi, N., Messick, J. B., Birkenheuer, A., & Kollias, G. V. (2009). DIAGNOSIS AND TREATMENT OF BABESIA ODOCOILEI IN CAPTIVE REINDEER (RANGIFER TARANDUS TARANDUS) AND RECOGNITION OF THREE NOVEL HOST SPECIES. JOURNAL OF ZOO AND WILDLIFE MEDICINE, 40(1), 152–159. https://doi.org/10.1638/2008-0011.1

LeVine, D. N., Zhou, Y., Ghiloni, R. J., Fields, E. L., Birkenheuer, A. J., Gookin, J. L., … Feldman, D. (2009). Hereditary 1,25-Dihydroxyvitamin D-Resistant Rickets in a Pomeranian Dog Caused by a Novel Mutation in the Vitamin D Receptor Gene. JOURNAL OF VETERINARY INTERNAL MEDICINE, 23(6), 1278–1283. https://doi.org/10.1111/j.1939-1676.2009.0405.x

Duncan, A. W., Marr, H. S., Birkenheuer, A. J., Maggi, R. G., Williams, L. E., Correa, M. T., & Breitschwerdt, E. B. (2008). Bartonella DNA in the Blood and Lymph Nodes of Golden Retrievers with Lymphoma and in Healthy Controls. Journal of Veterinary Internal Medicine, 22(1), 89–95. https://doi.org/10.1111/j.1939-1676.2007.0018.x

Birkenheuer, A. J., Marr, H. S., Warren, C., Acton, A. E., Mucker, E. M., Humphreys, J. G., & Tucker, M. D. (2008). Cytauxzoon felis infections are present in bobcats (Lynx rufus) in a region where cytauxzoonosis is not recognized in domestic cats. VETERINARY PARASITOLOGY, 153(1-2), 126–130. https://doi.org/10.1016/j.vetpar.2008.01.020

Stauffer, S. H., Birkenheuer, A. J., Levy, M. G., Marr, H., & Gookin, J. L. (2008). Evaluation of four DNA extraction methods for the detection of Tritrichomonas foetus in feline stool specimens by polymerase chain reaction. JOURNAL OF VETERINARY DIAGNOSTIC INVESTIGATION, 20(5), 639–641. https://doi.org/10.1177/104063870802000518

Hawkins, E. C., Johnson, L. R., Guptill, L., Marr, H. S., Breitschwerdt, E. B., & Birkenheuer, A. J. (2008). Failure to identify an association between serologic or molecular evidence ofBartonellainfection and idiopathic rhinitis in dogs. Journal of the American Veterinary Medical Association, 233(4), 597–599. https://doi.org/10.2460/javma.233.4.597

Lehtinen, L. E., Birkenheuer, A. J., Droleskey, R. E., & Holman, P. J. (2008). In vitro cultivation of a newly recognized Babesia sp in dogs in North Carolina. VETERINARY PARASITOLOGY, 151(2-4), 150–157. https://doi.org/10.1016/j.vetpar.2007.10.022

Birkenheuer, A. J., Marr, H. S., Hladio, N., & Acton, A. E. (2008). Molecular evidence of prevalent dual piroplasma infections in North American raccoons (Procyon lotor). PARASITOLOGY, 135(1), 33–37. https://doi.org/10.1017/S0031182007003538

Small, M. T., Atkins, C. E., Gordon, S. G., Birkenheuer, A. J., Booth-Sayer, M. A., Keene, B. W., … Miller, M. W. (2008). Use of a nitinol gooseneck snare catheter for removal of adult Dirofilaria immitis in two cats. JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, 233(9), 1441–1445. https://doi.org/10.2460/javma.233.9.1441

Puskar, M., Lemons, C., Papich, M. G., Vaden, S. L., & Birkenheuer, A. (2007). Antibiotic-resistant Corynebacterium jeikeium urinary tract infection in a cat. JOURNAL OF THE AMERICAN ANIMAL HOSPITAL ASSOCIATION, 43(1), 61–64. https://doi.org/10.5326/0430061

Valentine, K. H., Harms, C. A., Cadenas, M. B., Birkenheuer, A. J., Marr, H. S., Braun-McNeill, J., … Breitschwerdt, E. B. (2007). Bartonella DNA in Loggerhead Sea Turtles. Emerging Infectious Diseases, 13(6), 949–950. https://doi.org/10.3201/eid1306.061551

Hawkins, E. C., Birkenheuer, A. J., Marr, H. S., Rogala, A. R., Large, E. E., & Adler, K. B. (2007). Quantification of mucin gene expression in tracheobronchial epithelium of healthy dogs and dogs with chronic bronchitis. AMERICAN JOURNAL OF VETERINARY RESEARCH, 68(4), 435–440. https://doi.org/10.2460/ajvr.68.4.435

Haber, M. D., Tucker, M. D., Marr, H. S., Levy, J. K., Burgess, J., Lappin, M. R., & Birkenheuer, A. J. (2007). The detection of Cytauxzoon felis in apparently healthy free-roaming cats in the USA. VETERINARY PARASITOLOGY, 146(3-4), 316–320. https://doi.org/10.1016/j.vetpar.2007.02.029

Birkenheuer, A. J., Harms, C. A., Neel, J., Marr, H. S., Tucker, M. D., Acton, A. E., … Stoskopf, M. K. (2007). The identification of a genetically unique piroplasma in North American river otters (Lontra canadensis). PARASITOLOGY, 134(5), 631–635. https://doi.org/10.1017/S0031182006002095

Lennon, E. M., Boyle, T. E., Hutchins, R. G., Friedenthal, A., Correa, M. T., Bissett, S. A., … Birkenheuer, A. J. (2007, August 1). Use of basal serum or plasma cortisol concentrations to rule out a diagnosis of hypoadrenocorticism in dogs: 123 cases (2000-2005). JAVMA-JOURNAL OF THE AMERICAN VETERINARY MEDICAL ASSOCIATION, Vol. 231, pp. 413–416. https://doi.org/10.2460/javma.231.3.413

Birkenheuer, A. J., Le, J. A., Valenzisi, A. M., Tucker, M. D., Levy, M. G., & Breitschwerdt, E. B. (2006). Cytauxzoon felisinfection in cats in the mid-Atlantic states: 34 cases (1998–2004). Journal of the American Veterinary Medical Association, 228(4), 568–571. https://doi.org/10.2460/javma.228.4.568

Birkenheuer, A. J., Marr, H., Alleman, A. R., Levy, M. G., & Breitschwerdt, E. B. (2006). Development and evaluation of a PCR assay for the detection of Cytauxzoon felis DNA in feline blood samples. VETERINARY PARASITOLOGY, 137(1-2), 144–149. https://doi.org/10.1016/j.vetpar.2005.12.007

Gookin, J. L., Copple, C. N., Papich, M. G., Poore, M. F., Stauffer, S. H., Birkenheuer, A. J., … Levy, M. G. (2006). Efficacy of ronidazole for treatment of feline Tritrichomonas foetus infection. JOURNAL OF VETERINARY INTERNAL MEDICINE, Vol. 20, pp. 536–543. https://doi.org/10.1892/0891-6640(2006)20[536:EORFTO]2.0.CO;2

Birkenheuer, A. J., Whittington, J., Neel, J., Large, E., Barger, A., Levy, M. G., & Breitschwerdt, E. B. (2006). Molecular characterization of a Babesia species identified in a North American raccoon. JOURNAL OF WILDLIFE DISEASES, 42(2), 375–380. https://doi.org/10.7589/0090-3558-42.2.375

Wardrop, K. J., Reine, N., Birkenheuer, A., Hale, A., Hohenhaus, A., Crawford, C., & Lappin, M. R. (2005). Canine and feline blood donor screening for infectious disease. JOURNAL OF VETERINARY INTERNAL MEDICINE, 19(1), 135–142. https://doi.org/10.1892/0891-6640(2005)19<135:CAFBDS>2.0.CO;2

Birkenheuer, A. J., Correa, M. T., Levy, M. G., & Breitschwerdt, E. B. (2005). Geographic distribution of babesiosis among dogs in the United States and association with dog bites: 150 cases (2000-2003). Journal of the American Veterinary Medical Association, 227(6), 942–947. https://doi.org/10.2460/javma.2005.227.942

Haber, M., & Birkenheuer, A. (2005). Icterus and pancytopenia in a cat. NAVC Clinician's Brief, 3(7), 21.

Gookin, J. L., Birkenheuer, A. J., St John, V., Spector, M., & Levy, M. G. (2005). Molecular characterization of trichomonads from feces of dogs with diarrhea. JOURNAL OF PARASITOLOGY, 91(4), 939–943. https://doi.org/10.1645/ge-474r.1

Birkenheuer, A. J., Neel, J., Ruslander, D., Levy, M. G., & Breitschwerdt, E. B. (2004). Detection and molecular characterization of a novel large Babesia species in a dog. Veterinary Parasitology, 124(3-4), 151–160. https://doi.org/10.1016/j.vetpar.2004.07.008

Birkenheuer, A. J., Levy, M. G., & Breitschwerdt, E. B. (2004). Efficacy of Combined Atovaquone and Azithromycin for Therapy of Chronic Babesia gibsoni (Asian Genotype) Infections in Dogs. Journal of Veterinary Internal Medicine. https://doi.org/10.1111/j.1939-1676.2004.tb02573.x

Birkenheuer, A. J., Levy, M. G., & Breitschwerdt, E. B. (2004). Efficacy of combined atovaquone and azithromycin for therapy of chronic Babesia gibsoni (Asian genotype) infections in dogs. JOURNAL OF VETERINARY INTERNAL MEDICINE, Vol. 18, pp. 494–498. https://doi.org/10.1892/0891-6640(2004)18<494:EOCAAA>2.0.CO;2

Tuttle, A. D., Birkenheuer, A. J., Juopperi, T., Levy, M. G., & Breitschwerdt, E. B. (2003). Concurrent bartonellosis and babesiosis in a dog with persistent thrombocytopenia. Journal of the American Veterinary Medical Association, 223(9), 1306–1310. https://doi.org/10.2460/javma.2003.223.1306

Birkenheuer, A. J., Levy, M. G., & Breitschwerdt, E. B. (2003). Development and Evaluation of a Seminested PCR for Detection and Differentiation of Babesia gibsoni (Asian Genotype) and B. canis DNA in Canine Blood Samples. Journal of Clinical Microbiology, 41(9), 4172–4177. https://doi.org/10.1128/JCM.41.9.4172-4177.2003

Birkenheuer, A. J., Levy, M. G., Stebbins, M., Poore, M., & Breitschwerdt, E. (2003). Serosurvey of antiBabesia antibodies in stray dogs and American pit bull terriers and American Staffordshire terriers from North Carolina. JOURNAL OF THE AMERICAN ANIMAL HOSPITAL ASSOCIATION, 39(6), 551–557. https://doi.org/10.5326/0390551

Stegeman, J. R., Birkenheuer, A. J., Kruger, J. M., & Breitschwerdt, E. B. (2003). Transfusion-associated Babesia gibsoni infection in a dog. Journal of the American Veterinary Medical Association, 222(7), 959–963. https://doi.org/10.2460/javma.2003.222.959

Levy, M. G., Gookin, J. L., Poore, M., Birkenheuer, A. J., Dykstra, M. J., & Litaker, R. W. (2003). Tritrichomonas foetus and not Pentatrichomonas hominis is the etiologic agent of feline trichomonal diarrhea. JOURNAL OF PARASITOLOGY, 89(1), 99–104. https://doi.org/10.1645/0022-3395(2003)089[0099:TFANPH]2.0.CO;2

Birkenheuer, A. J., Breitschwerdt, E. B., Alleman, A. R., & Pitulle, C. (2002). Differentiation of Haemobartonella canis and Mycoplasma haemofelis on the basis of comparative analysis of gene sequences. American Journal of Veterinary Research, 63(10), 1385–1388. https://doi.org/10.2460/ajvr.2002.63.1385

Rotstein, D. S., Taylor, S. K., Birkenhauer, A., Roelke-Parker, M., & Homer, B. L. (2002). Retrospective study of proliferative papillary vulvitis in Florida panthers. JOURNAL OF WILDLIFE DISEASES, 38(1), 115–123. https://doi.org/10.7589/0090-3558-38.1.115

Gookin, J. L., Birkenheuer, A. J., Breitschwerdt, E. B., & Levy, M. G. (2002). Single-Tube Nested PCR for Detection of Tritrichomonasfoetus in Feline Feces. Journal of Clinical Microbiology, 40(11), 4126–4130. https://doi.org/10.1128/JCM.40.11.4126-4130.2002

Gaskin, A. A., Schantz, P., Jackson, J., Birkenheuer, A., Tomlinson, L., Gramiccia, M., … Breitschwerdt, E. B. (2002). Visceral leishmaniasis in a New York foxhound kennel. JOURNAL OF VETERINARY INTERNAL MEDICINE, 16(1), 34–44. https://doi.org/10.1892/0891-6640(2002)016<0034:VLIANY>2.3.CO;2

Gaskin, A. A., Schantz, P., Jackson, J., Birkenheuer, A., Tomlinson, L., Gramiccia, M., … Breitschwerdt, E. B. (2002). Visceral leishmaniasis in a New York foxhound kennel. Journal of Veterinary Internal Medicine. https://doi.org/10.1111/j.1939-1676.2002.tb01604.x

Gasser, A. M., Birkenheuer, A. J., & Breitschwerdt, E. B. (2001). Canine Rocky Mountain spotted fever: A retrospective study of 30 cases. JOURNAL OF THE AMERICAN ANIMAL HOSPITAL ASSOCIATION, 37(1), 41–48. https://doi.org/10.5326/15473317-37-1-41

Kjemtrup, A. M., Kocan, A. A., Whitworth, L., Meinkoth, J., Birkenheuer, A. J., Cummings, J., … Conrad, P. A. (2000). There are at least three genetically distinct small piroplasms from dogs. INTERNATIONAL JOURNAL FOR PARASITOLOGY, 30(14), 1501–1505. https://doi.org/10.1016/S0020-7519(00)00120-X

Birkenheuer, A. J., Levy, M. G., Savary, K. C. M., Gager, R. B., & Breitschwerdt, E. B. (1999). Babesia gibsoni infections in dogs from North Carolina. JOURNAL OF THE AMERICAN ANIMAL HOSPITAL ASSOCIATION, 35(2), 125–128. https://doi.org/10.5326/15473317-35-2-125