Search for Faculty

Photo: Stanley Marks

Stanley Marks- BVSc, PhD
Professor
Medicine & Epidemiology

246 Vet Med II
Davis, CA 95616

+1 530 752 1393
slmarks@ucdavis.edu

   

Research Focus

Small Animal Gastroenterology. 1) Assessment and management of canine dysphagia (swallowing disorders). 2) Diagnosis and management of chronic enteropathies (intestinal disorders) in dogs and cats.

Specialty Focus

Small Animal Gastroenterology. Emphasis on 1) dysphagia (swallowing disorders) and esophageal disease. 2) Chronic enteropathies (intestinal disorders) of dogs and cats with emphasis on infectious enteropathies.


Education

1986 BVSc , University of Pretoria, South Africa, Pretoria, South Africa
1987 Internship Small Animal Medicine and Surgery, University of Missouri, Columbia, MO
1989 Residency - Medicine Small Animal Medicine, University of Florida, Gainesville, FL
1991 Residency - Oncology Clinical Oncology, University of California, Davis, CA
1996 Residency - Nutrition Nutrition, University of California, Davis, CA
1996 PhD Nutrition, University of California, Davis, CA

Honors and Awards

2015-2016 Co-mentored graduate student Dr. Megan A. McCarthy who was awarded the American College of Veterinary Pathology (ACVP) Young Investigator Award, First Place in Diagnostic Pathology Category for her research poster presented at the conference. McCarthy MA, Marks SL, Pesavento P. A histologic guide to the normal canine esophagus with practical application to canine esophageal disease. ACVP/ASVCP/STP Combined Annual Meeting, October 17-21, Minneapolis, MN
2014-2015 Awarded 1st prize for the best overall research poster presented at the World Small Animal Veterinary Association (WSAVA) Conference in Cape Town, South Africa from September 16-19. Marks SL. Effect of the probiotic enterococcus faecium sf 68 on presence of diarrhea in weanling kittens.
2013-2014 Mentor for STAR student, Tarini Ullal, who received 1st prize for the best oral presentation in veterinary medicine at the annual Interdisciplinary Graduate and Professional Student Symposium (IGPS) at UC Davis, April 3-4. Her research assessed the feasibility of esophageal high resolution manometry in fully awake dogs and evaluated the effect of cisapride on lower esophageal sphincter tone.
2012-2013 Co-Chair of scientific session, Animal Models of Dysphagia - World Organization for Specialized Studies on Diseases of the Esophagus (OESO) (Sep)
2012-2013 Mentor for STAR student, Tarini Ullal, who received 1st prize for her research poster at School of Veterinary Medicine, Davis, CA (Oct). Her research assessed the feasibility of esophageal high resolution manometry in fully awake dogs and evaluated the effect of cisapride on lower esophageal sphincter tone.
2012-2013 Journal of Veterinary Internal Medicine (American College of Veterinary Internal Medicine), Certificate of Recognition, Top 5 Article downloaded during 2011 and 2012. "ACVIM Consensus Statement: Enteropathogenic bacteria in dogs and cats: diagnosis, epidemiology, treatment, and control." Marks SL, Rankin SC, Byrne BA, Weese JS (Nov/Dec)
2011-2012 Favorite lecturer, Quebec Veterinary Conference, Canada (Apr)
2011-2012 Favorite Faculty Teacher Award 2012 - Presented by the Class of 2013
2011-2012 Journal of Veterinary Internal Medicine (American College of Veterinary Internal Medicine), Certificate of Recognition, Top 5 Article downloaded during 2010 and 2011. "Ultrasonographic evaluation of the muscularis propria in cats with diffuse small intestinal lymphoma or inflammatory bowel disease." Zwingenberger AL, Marks SL, Baker TW, Moore PF (Jun)
2010-2011 Favorite Faculty Teacher Award 2011 - Presented by the Class of 2012
2010-2011 Recipient of the 2010 UC Davis School of Medicine Dean's Team Award for Excellence for Outstanding Multi-Disciplinary Team Contributions in the Mission Area of Clinical Care (Jan)
2009-2010 Favorite Faculty Teacher Award 2010 - Presented by the Class of 2011
2008-2009 Favorite Faculty Teacher Award 2009 - Presented by the Class of 2010
2008-2009 Keynote Speaker at Senior Banquet, Class of 2009
2008-2009 Co-author of manuscript that was awarded the "Most Commendable Manuscript" prize for 2008 by the Australasian College of Veterinary Surgeons, "Oestradiol and genistein reduce food intake in male and female overweight cats after gonadectomy"
2007-2008 Faculty Speaker, Commencement, Class of 2008
2007-2008 Co-mentor for junior vet student, Cecily Bonadio, who received a research abstract award at the 2008 ACVIM Forum for her oral presentation (Jun)
2007-2008 3rd Annual Biomedical Engineering Senior Design Symposium Award - Faculty Mentor
2006-2007 Favorite Faculty Teacher Award 2007 - Presented by the Class of 2007
2006-2007 Favorite Faculty Teacher Award 2007 - Presented by the Class of 2008
2006-2007 Faculty Speaker, Commencement, Class of 2007
2004-2005 Favorite Faculty Teacher Award 2005 - Presented by the Class of 2006
2003-2004 Small Animal Speaker of the Year, North American Veterinary Conference
2003-2004 Faculty Speaker, Commencement, Class of 2004
2002-2003 Favorite Faculty Teacher Award 2003 - Presented by the Class of 2003
1999-2000 Faculty Speaker, Commencement, Class of 2000
1998-1999 Comparative Gastroenterology Society Research Award
1998-1999 Ralston Purina Visiting Professor at the University of Missouri Columbia
1997-1998 Mark L. Morris, Distinguished Research Award
1996-1997 Favorite Faculty Teacher Award - Presented by the Class of 1998
1995-1996 Phi Sigma Gamma Delta Chapter
1994-1995 Robert Emrie Smith Memorial Research Fellowship
1988-1989 Small Animal Resident of the Year, University of Florida VMTH

Licenses

Diplomate American College of Veterinary Internal Medicine (Small Animal Medicine)
Diplomate American College of Veterinary Internal Medicine (Oncology)
Diplomate American College of Veterinary Nutrition (ACVN)
State Licensure - California

Active Research Grants

Principal Investigator, Effects of Cisapride on gastroesophageal reflux in mechanically ventilated dogs, (Principal Investigator), UC Davis: Center for Companion Animal Health

Co-Principal Investigator, Gastrointestinal transit after laparoscopic-assisted gastropexy, Culp W (VSR) (Principal Investigator), UC Davis: Center for Companion Animal Health

Co-Principal Investigator, Effect of surgical treatment of brachycephalic obstructor syndrome on the lower esophageal area of brachycephalic dogs with evidence of hiatal herniation and gastroesophageal reflux, Mayhew P (VSR) (Principal Investigator), American College of Veterinary Surgeons

Co-Principal Investigator, Effect of surgical treatment of brachycephalic obstructor syndrome on the lower esophageal area of brachycephalic dogs with evidence of hiatal herniation and gastroesophageal reflux, (Principal Investigator), UC Davis: Center for Companion Animal Health

Principal Investigator, Prevalence of zoonotic enteric pathogens in dogs attending dog parks in Northern California, (Principal Investigator), UC Davis: Center for Companion Animal Health

Principal Investigator, Novel use of fecal microbiota transplantation (FMT) in dogs with non-seasonal atopic dermatitis, (Principal Investigator), Nestle Purina Company

Principal Investigator, Novel use of fecal microbiota transplantation (FMT) in dogs with non-seasonal atopic dermatitis, (Principal Investigator), UC Davis: Center for Companion Animal Health

Principal Investigator, Noninvasive gastroenterology, (Principal Investigator), Nestle Purina PetCare Company

Most Recent 10 Publications

  • Stanley Marks: Colonoscopic and histologic features of rectal masses in dogs: 82 cases (1995-2012) 2017 Adamovich-Rippe KN, Mayhew PD, Marks SL, Selmic LE, Culp WT, Youello AM, Runge JJ, Holt DE, Kass PH, Peauroi JR Colonoscopic and histologic features of rectal masses in dogs: 82 cases (1995-2012) J Am Vet Med Assoc,
  • Stanley Marks: Thromboelastographic monitoring of the effect of unfractionated heparin in healthy dogs 2017 McLaughlin CM, Marks SL, Dorman DC, Motsinger-Reif A, Hanel RM Thromboelastographic monitoring of the effect of unfractionated heparin in healthy dogs J Vet Emerg Crit Care (San Antonio),
  • Stanley Marks: Liver ultrasonography in dolphins: use of ultrasonography to establish a technique for hepatobiliary imaging and to evaluate metabolic disease-associated liver changes in Bottlenose Dolphins (Tursiops truncatus) 2016 Seitz KE, Smith CR, Marks SL, Venn-Watson SK, Ivancic M Liver ultrasonography in dolphins: use of ultrasonography to establish a technique for hepatobiliary imaging and to evaluate metabolic disease-associated liver changes in Bottlenose Dolphins (Tursiops truncatus) J Zoo Wildlife Med,
  • Stanley Marks: Prevalence of enteropathogens in dogs attending 3 regional dog parks in Northern California 2016 Hascall KL, Kass PH, Saksen J, Ahlmann A, Scorza AV, Lappin MR, Marks SL Prevalence of enteropathogens in dogs attending 3 regional dog parks in Northern California J Vet Intern Med,
  • Stanley Marks: High-resolution manometric evaluation of the effects of cisapride on the esophagus during administration of solid and liquid boluses in awake healthy dogs 2016 Ullal TV, Kass PH, Conklin JL, Belafsky PC, Marks SL High-resolution manometric evaluation of the effects of cisapride on the esophagus during administration of solid and liquid boluses in awake healthy dogs Am J Vet Res,
  • Stanley Marks: Effect of changes in intra-abdominal pressure on diameter, cross-sectional area, and distensibility of the lower esophageal sphincter of healthy dogs as determined by use of an endoscopic functional luminal imaging probe 2016 Mayhew PD, Pitt KA, Steffey MA, Culp WT, Kass PH, Marks SL Effect of changes in intra-abdominal pressure on diameter, cross-sectional area, and distensibility of the lower esophageal sphincter of healthy dogs as determined by use of an endoscopic functional luminal imaging probe Am J Vet Res,
  • Stanley Marks: Effect of bolus size on deglutition and esophageal transit in healthy dogs 2016 Cheney DM, Marks SL, Pollard RE Effect of bolus size on deglutition and esophageal transit in healthy dogs Vet Radiol Ultrasound,
  • Stanley Marks: Total laryngectomy for management of chronic aspiration pneumonia in a myopathic dog 2016 Vernau KM, Marks SL, Kuhn MA, Culp WT, Owens TJ, Shelton GD, Siddiqui T, Pollard R, Belafsky PC Total laryngectomy for management of chronic aspiration pneumonia in a myopathic dog Can Vet J,
  • Stanley Marks: Commentary on key aspects of fecal microbiota transplantation (FMT) in small animal practice 2016 Chaitman J, Jergens AE, Gaschen F, Garcia-Mazcorro JF, Marks SL, Marroquin-Cardona AG, Richter K, Rossi G, Suchodolski JS, Weese JS Commentary on key aspects of fecal microbiota transplantation (FMT) in small animal practice Vec Rec,
  • Stanley Marks: Feasibility of flexible endoscopic evaluation of swallowing in healthy dogs 2016 Marks SL, Douthitt KL, Belafsky PC Feasibility of flexible endoscopic evaluation of swallowing in healthy dogs Am J Vet Res,

Most Recent 5 Book Chapters

2017 Marks SL: Chapter 273: Diseases of the pharynx and esophagus, Ettinger SJ, Feldman EC, Coté E, (ed), Textbook of Veterinary Internal Medicine, 8th Edition, St. Louis, MO. 1476-89.

2017 Marks SL: Chapter 220: Enteric bacterial diseases, Ettinger SJ, Feldman EC, Coté E, (ed), Textbook of Veterinary Internal Medicine, 8th Edition, St. Louis, MO. 957-61.

2017 Marks SL: Chapter 82: Nasoesophageal, esophagostomy, gastrostomy and jejunal tube placement techniques, Ettinger SJ, Feldman EC, Coté E, (ed), Textbook of Veterinary Internal Medicine, 8th Edition, St. Louis, MO. 323-5.

2015 Marks SL: Clostridial enterotoxicosis, Tilley LP, Smith FWK, (ed), Blackwell’s 5-Minute Veterinary Consult: Canine and Feline, 6th edition. 277-8.

2015 Marks SL: Chapter 1: Rational approach to diagnosing and managing infectious causes of diarrhea in kittens, Little S, (ed), August's Consultations in Feline Internal Medicine, Volume 7, Orlando, FL. 1-22.