Frank Andrews

Frank Andrews

Department Head and Professor

Director, Equine Health Studies Program

Department of Veterinary Clinical Sciences

LSU School of Veterinary Medicine
Louisiana State University
Baton Rouge, LA 70803





DVM, Washington State University, 1983

MS, Washington State University, 1983

BS, Washington State University, 1979


Diplomate, American College of Veterinary Internal Medicine (Internal Medicine)

Research Interest

Equine Gastric Ulcer Syndrome, Gastrointestinal Diseases, Pituitary Pars Intermedia Dysfunction and Equine Protozoal Myeloencephalitis in horses

Teaching Interest

Neurologic Disease, Gastrointestinal Disease and Digestion in horses

Clinical Interest

Equine Gastric Ulcer Syndrome, Gastrointestinal Diseases, Pituitary Pars Intermedia Dysfunction and Equine Protozoal Myeloencephalitis in horses

Awards & Honors

2021, Dean’s Teacher Merit Honor Roll, LSU Vet Med,

2018, Faculty Distinguished Scholar Award, LSU Vet Med

2016, Good Laboratory Practice (GLP) Certificate

2008, Webster Pendergrass Award for Outstanding Service, UTCVM

2008 - Present, Tau Chapter of Phi Zeta, LSU Vet Med

1999, Pfizer Award for Research Excellence in Animal Health


Andrews, F.M., Lopez, M., Riggs, L., Keowen, M., Garza, Jr., F., Takawira, C., Liu, Chin-Chi, Liu, Y., Seeram, N., Cairy, A., St. Blanc, M. (2022) Effect of an oral supplement containing curcumin extract (Longvida™) on lameness due to osteoarthritis and gastric ulcer scores. Equine Vet Education. (Early View,

Patton, M., Leise, B., Baker, R., Andrews, F. (Accepted 2021) The effects of bit chewing on borborygmi, duodenal motility, and gastrointestinal transit time in clinically normal horses. Vet Surgery. (In press, accepted 10-21-2021).

Hay, A.N., Wagner, B., Leeth, C.M., LeRoith, T., Cecere, T.E., Lahmers, K.K., Andrews, F.M., Johnson, A.L., Clark, C.K., et al. (2021) EPM affected horses have increased sCD14 compared to controls. Vet. Immunology and Immunopath. 242,110338,

St. Blanc, M., Banse, H., Retif, M., Arana-Valencia, N., Keowen, M.L., Garza, Jr., F., Liu, Chin-Chi, Gray, L. F., Andrews, F. M. (2021) Effects of supplements containing Turmeric and Devil’s Claw on equine gastric ulcer scores and gastric juice pH. Equine Vet. Educ. (In press, Early View).

Jacobs, R. D., Gordon, M. B. E., Vineyard, K.R., Keowen, M.L., Garza, Jr., F., Andrews, F.M. (2020) The Effect of a Seaweed-Derived Calcium Supplement on Gastric Juice pH in the Horse. J. Equine Vet. Sci. 95, 1-5, Early View.

Camacho-Luna, P., Andrews, F.M., Keowen, M.L., Garza, Jr., F., Liu, C-C., Lamp, B., Olijve, J. (2021) The Effect of Porcine Hydrolyzed Collagen on the Gastric Ulcer Scores, Gastric Juice pH, Gastrin and Amino Acid Concentrations in Horses. Equine Vet. Educ. Early View.

Aulakh, K.S., Lopez, M.J., Hudson, C., Gaschen, L., Fabiani, M., Beale, B., Andrews, F.M., Liu, C.C. and Lattimer, J., 2021. Prospective Clinical Evaluation of Intra-Articular Injection of Tin-117m (117mSn) Radiosynoviorthesis Agent for Management of Naturally Occurring Elbow Osteoarthritis in Dogs: A Pilot Study. Veterinary Medicine: Research and Reports, 12, 117-122.

Paul, L.J., Ericsson, A., Andrews F.M., Keowen, M.L., Yniquez, F.M., Garza, Jr., F., Banse, H.E. (2021) Gastric microbiome in horses with and without equine glandular gastric disease. J Vet Intern Med. 35(5), 2458-2461. doi/10.1111/jvim.16241

Ricord, M., Andrews, F. M., Yñiguez, F.J.M., Keowen, M., Garza,Jr., F., Paul, L., Chapman, A., Banse, H.E. (2021) Impact of concurrent treatment with omeprazole on phenylbutazone-induced equine gastric ulcer syndrome (EGUS). Equine Vet. J. 53, 356-361.

Banse, H. Andrews, F.M. (2019) Equine glandular gastric disease: prevalence, impact and management strategies. Veterinary Medicine: Research and Reports. 10, 69-76.

Liu, Y., Siard M., Adams, A., Keowen, M.L., Miller T.K., Garza, Jr., F., Andrews F.M., Seeram N.P. (2018) Simultaneous quantification of free curcuminoids and their metabolites in equine plasma by LC-ESI-MS/MS. J. Pharmacology and Biomedical Analysis 154, 31-39.

Andrews, F.M., Larson, C., Harris P. (2017) Nutritional management of gastric ulceration. Equine Veterinary Education, 29(1), 45-55.


Grant Funding

Andrews, F. M., Chapman, A., Gray, L. "Effects of a Supplement Containing Siberian Ginseng on Health and Behavior in Horses." Sponsored by SmartPak, LLC. Private, September 1, 2021 – January 31, 2022. $40,000.

Andrews, F. M., St. Blanc, M., Chapman, A., Gray, L. "Effects of a Supplement Containing CBD on Sedation, Ataxia Scores and Equine Health Parameters." Sponsored by SmartPak, LLC. Private, August 31, 2020 – December 31, 2021. $51,000.

Andrews, F. M., Chapman, A., Gray, L. "The Effects of Turmeric and Devils Claw on Equine Gastric Ulcer Score." Sponsored by SmartPak, LLC. Private, August 31, 2019 – December 31, 2020. $60,000.

Andrews, F. M., Leise B. S., St. Blanc, M., Mirza, M., Riggs L. M. A Multi-Center Study to Evaluate the Effectiveness and Field Safety of Hyaluronate Sodium (HY-50) for the Control of Clinical Signs Associated with Osteoarthritis in Horses. Dechra, Inc. January 2018-Present. $55,000.

Andrews, F. M. Gastroscopy Instructional Video, Randlab Pty, Ltd., 7/85 Alfred Road, Chipping Norton, NSW, Australia 2170, $10,300.00, December 1, 2016 - February 28, 2017

Andrews, F. M., Riggs, L.M., Lopez M. " Effect of an Oral Supplement Containing Curcumin Extract (Longvida) on Lameness due to Osteoarthritis or Degenerative Disease and Gastric Ulcer Scores” Sponsored by W.F. Young Company, Private, (June 15, 2016 – June 14, 2017). $161,131.00.

Andrews, F. M., Chapman, A. " Efficacy & Safety Field Study of Inhaled Ciclesonide for Horses with Recurrent Airway Obstruction (RAO) and /or Summer Pasture Associated Obstructive Pulmonary Disease (SPAOPD)” Sponsored by Boehringer Ingelheim Vetmedica, Private, (June 15, 2016 – June 14, 2017). $55,000.00

Banse, H., Paul, L. Andrews, F. M. (2020) Efficacy of an oral omeprazole formulation in prevention of gastric ulcers in horses. Charles V. Cusimano EHSP Grant. LSU SVM. $12,000.

Paul, L., Banse H., Andrews, F. M. (2019) Comparison of the gastric microbiome in horses with and without equine glandular gastric disease. Charles V. Cusimano EHSP Grant. LSU SVM. $6000.

Woodward, M., Andrews, F. M., Chapman, A. M., "Clinical response of horses with summer pasture associated recurrent airway obstruction to allergen specific immunotherapy," Sponsored by Equine Health Studies Program, Louisiana State University, (June 9, 2017-Present). $12,000.00

Witonsky, S., Andrews, F. M., Del Piero, F., Keowen, M. L., Garza, Jr., F., "Identification of a genetic predisposition for horses to develop Equine Protozoal Myeloencephalitis (EPM) and associated gene dysregulation," Sponsored by Virginia Tech, Equine Research Internal Funding program, State, (March 1, 2017). $9,000.00

Francis, J., Chapman, A. M., Andrews, F. M., "Exploring beneficial effects of blueberries in horses: Effect of blueberries on Exercise Testing in horses on the Treadmill," Sponsored by Blueberry Growers of America, Private, (September 30, 2016 - June 30, 2018). $62,208.00.

Aulakh, K., Gaschen, L., Andrews, F. M., Lopez, M. J., "Safety and efficacy of 117m Sn colloid for treatment of canine osteoarthritis," Sponsored by R-NAV, LLC, Private, (March 1, 2016 - Present). $324,144.00.