Amanda Kreuder

DVM, PhD, Diplomate ACVIM (LA)
Associate Professor
2124 Patterson Hall
Education & Certifications  

Doctor of Philosophy, Veterinary Microbiology, 2016, Iowa State University, Ames, Iowa
ACVIM Residency in Food Animal Medicine and Surgery, 2014, Iowa State University, Ames, Iowa
Doctor of Veterinary Medicine, 2008, Iowa State University, Ames, Iowa
Bachelor of Science in Dairy Science, 2004, Iowa State University, Ames, Iowa


VMPM 386 - Veterinary Pathogenic Bacteriology and Mycology
VMPM 437 - Infectious Diseases and Preventive Medicine
VDPAM 486  - Introduction to Small Ruminant Production Medicine
VDPAM 495 - Advanced Small Ruminant Production Medicine

VDPAM 351- Bovine Embryo Transfer and Related Techniques
VDPAM 445 - Production Animal Clinical Medicine
VDPAM 476 - Food Animal and Camelid Field Services
VDPAM 477 - Food Animal and Camelid Medicine and Surgery
VDPAM 494 - Advanced Dairy Production Medicine

Research Focus & Interests  

Antimicrobial resistance
Internal medicine
Infectious diseases of ruminants and camelids
Neonatal health and disease
Molecular microbiology of Campylobacter jejuni


American Veterinary Medical Association

American Association of Bovine Practitioners

American College of Veterinary Internal Medicine

Iowa Veterinary Medical Association

Iowa Cattlemen's Association 

Clinical and Laboratory Standards Institute

Selected Publications  

Google Scholar Page

Copeland AT, Kreuder AJ, Dewell G, Dewell R, Wiley C, Yuan L, Mochel JP, Smith JS. Randomized comparison between a forced air system and warm water bath for resuscitation of neonatal hypothermic calves with or without oral administration of caffeine. J Vet Intern Med. 2024 May-Jun;38(3):1941-1950. doi: 10.1111/jvim.17066. PMID: 38685595.

Al-Mazroa Smith S, Kreuder AJ, Raineri RR, Sander WE. Okello E, King AJ, Plummer PJ. (2023) Utilizing Zoom Annotate to facilitate online focus groups. J Vet Med Ed, epub ahead of print December 19, 2023.

Raineri RR, Shivley CB, Plummer PJ, Kreuder AJ^. Assessing stakeholders' opinions on sharing antimicrobial susceptibility testing data from animals is key to developing a centralized database and dashboard tool. J Am Vet Med Assoc. 2023. doi: 10.2460/javma.23.07.0426.

Gomes-Neto JC, Pavlovikj N, Korth N, Naberhaus SA*, Arruda B, Benson AK, Kreuder AJ^. Salmonella enterica Induces Biogeography-Specific Changes in the Gut Microbiome of Pigs. Front Vet Sci. 2023.

Breuer RM*, Smith JS, Dohlman TD, Wiley C, McKeen L, Kreuder AJ^. Comparison of turbidometric immunoassay and brix refractometry to radial immunodiffusion for assessment of colostral immunoglobulin content in beef cattle. J Vet Intern Med. 2023. doi: 10.1111/jvim.16833

Kreuder AJ^, Breuer RM*, Wiley C, Dohlman T, Smith JS, McKeen L. Comparison of turbidometric immunoassay, refractometry, and gamma-glutamyl transferase to radial immunodiffusion for assessment of transfer of passive immunity in high-risk beef calves. J Vet Intern Med. 2023. doi: 10.1111/jvim.16831

Ruddell B*, Hassall A, Moss W, Sahin O, Zhang Q, Plummer PJ, Kreuder AJ^. Direct interaction of small non-coding RNAs CjNC140 and CjNC110 optimizes expression of key pathogenic phenotypes of Campylobacter jejuni. mBio. 2023. e0083323. doi: 10.1128/mbio.00833-23.

Ruzante JM, Harris B, Plummer P, Raineri RR, Loy JD, Jacob M, Sahin O, Kreuder AJ^. Surveillance of antimicrobial resistance in veterinary medicine in the United States: Current efforts, challenges, and opportunities. Front Vet Sci. 2022. 9:1068406. doi: 10.3389/fvets.2022.1068406.

Breuer RM, Riedesel E, Fowler J, Yaeger M, Smith JS, Kreuder AJ^. Ultrasonography and digital radiography findings in sheep with clinical disease associated with small ruminant lentivirus infection. Can Vet J. 2022. 63(4):391-399.

Porter MM, McDonald PO, Slate JR, Kreuder AJ, McGill JL.  Use of thoracic ultrasonography to improve disease detection in experimental BRD infection. Front Vet Sci. 2021. 8:763972. doi: 10.3389/fvets.2021.763972.

Ruddell B*, Hassall A, Sahin O, Zhang Q, Plummer PJ Kreuder AJ. Role of metAB in methionine metabolism and optimal chicken colonization in Campylobacter jejuni. (2020) Infection and Immunity. IAI.00542-20. doi: 10.1128/IAI.00542-20.

Kreuder AJ, Ruddell B*, Mou K, Hassall A, Zhang Q, Plummer PJ.  Small non-coding RNA CjNC110 influences motility, autoagglutination, AI-2 localization, hydrogen peroxide sensitivity and chicken colonization in Campylobacter jejuni. (2020) Infection and Immunity. 88:e00245-20.

Smith JS, Viall AK, Breuer RM, Walton RA, Plummer PJ, Griffith RW, Kreuder AJ. Preliminary Investigation of Bovine Whole Blood Xenotransfusion as a Therapeutic Modality for the Treatment of Anemia in Goats. (2021) Frontiers in Veterinary Science 8:637988. doi: 10.3389/fvets.2021.637988

Olivarez JD, Kreuder AJ, Tatarniuk DM, Wulf L, Dembek K, Mochel JP and Smith JS. Pharmacokinetics and Tissue Levels of Pantoprazole in Neonatal Calves after Intravenous Administration. (2020) Frontiers in Veterinary Science 7:580735.  doi: 10.3389/fvets.2020.580735

Smith JS, Krull AC, Schleining JS, Derscheid R, Kreuder AJ. Clinical presentations and antimicrobial susceptibilities of Corynebacterium cystitidis associated with renal disease in four beef cattle. (2020) Journal of Veterinary Internal Medicine

Naberhaus S*, Krull AC, Arruda B, Arruda P, Sahin O, Schwartz K, Burrough E, Magstadt D, Matias Ferreyra F, Honorato Gatto I, Meiroz de Souza Almeida H, Wang C, Kreuder AJ.  Pathogenicity and Competitive Fitness of Salmonella enterica Serovar 4,[5],12:i:- Compared to Salmonella Typhimurium and Salmonella Derby in Swine. (2019) Frontiers in Veterinary Science.  6:502. doi: 10.3389/fvets.2019.00502

Naberhaus S*, Krull AC, Bradner L, Harmon K, Arruda P, Arruda BL, Sahin O, Burrough E, Schwartz K, Kreuder AJ.  Emergence of Salmonella 4,[5],12:i:- as the primary serovar identified from swine clinical samples and development of a multiplex real time PCR for improved Salmonella serovar-level diagnostics. (2019) Journal of Veterinary Diagnostic Investigation. 31(6):818-827. doi:10.1177/1040638719883843. 

Kreuder AJ, Lashley V, Yaeger MJ, Schleining JA, Plummer PJ. Histopathology and Spatial Distribution of Putative Growth Factors in the Ovine Gallbladder Following Direct Inoculation with Campylobacter jejuni IA3902. (2019) Frontiers in Veterinary Science; 6:226 doi: 10.3389/fvets.2019.00226

Kreuder AJ, Schleining JA, Yaeger M, Zhang Q, Plummer PJ. (2017) RNAseq reveals complex response of Campylobacter jejuni to ovine bile and gallbladder environment.  Frontiers in Microbiology, 8:940.  doi: 10.3389/fmicb.2017.00940.  PMID: 28611744. Part of:  Research Topic on Regulation of Gene Expression in Enteropathogenic Bacteria, Second Edition.

(*Graduate student or resident mentee; ^ corresponding author)