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Geof Smith, DVM, PhD

Professor of Ruminant Medicine

Contact:

gwsmith@ncsu.edu
Office: 919.513.6288

Geof Smith received a BS in animal and dairy science from Clemson University in 1994. From there he received a MS in toxicology from University of Illinois in 1996 and a DVM in 1998. Following graduation, Geof remained at the University of Illinois for another 4 years while he completed an internship and residency in ruminant internal medicine along with a PhD in physiology. Dr Smith joined the faculty at North Carolina State University in 2002 and is currently a Professor of Ruminant medicine in the Department of Population Health & Pathobiology. He is a Diplomate of the American College of Veterinary Internal Medicine (ACVIM) and his primary clinical and research interests revolve around clinical medicine of ruminants with a specific focus on calf health and ruminant pharmacology.
Affiliations
ACVIM, AABP, ADSA, ECBHM, AVMA,
Certifications
DVM - University of Illinois - 1998
MS - University of Illinois - 1996
PhD - University of Illinois - 2002
Diplomate, ACVIM
Pharmacology
Pathophysiology and treatment of diseases affecting calves, ruminant pharmacology, food safety and prevention of drug residues
  • (2009). A physiologically based pharmacokinetic model linking plasma protein binding interactions with drug disposition.Buur, J.L., Baynes, R.E., Smith, G.W., and Riviere, J.E. | Res Vet Sci 86:293-301.
  • Guest Editor – Bovine Neonatology: Veterinary Clinics of North America Food Animal Practice. Smith, G.W.  | Saunders Elsevier Publishing, March, 2009.
  • (2007). Lactoferrin supplementation to Holstein calves during the preweaning and postweaning phases. English, E.A., Hopkins, B.A., Stroud, J.S., Davidson, S., Smith, G.W., Brownie, C., and Whitlow, L.W. | J Dairy Sci 90:5276-5281.
  • Absorption of protein and immunoglobulin G in calves fed a colostrum replacer. Smith, GW, and Foster, DM. (2007). | J Dairy Sci 90:2905-2908.
  • Fumonisin toxicity.Smith, G.W. | In: Veterinary Toxicity: Basic and Clinical Principles, edited by R.C. Gupta. Philadelphia: Elsevier, 2007:983-996.
  • Antibiotic decision making – calf scours.Smith, G.W. (2014). | Bovine Practitioner 46:65-71.
  • Extralabel use of anesthetic and analgesic compounds in cattle.Smith, G.W. (2013). | Vet Clin Food Anim 29:29-45.
  • (2013). Effect of experimental feed additives on aflatoxin in milk of dairy cows fed aflatoxin-contaminated diets. Kissell, L., Davidson, S., Hopkins, B.A., Smith, G.W., Whitlow, L.W. | J Anim Physiol Anim Nutr 97;694-700.
  • (2012).  Evaluation of serum immunoglobulin G concentrations using an automated turbidometric immunoassay in dairy calves.Alley, M.L., Haines, D.M., Smith, G.W. | J Dairy Sci 95:4596-4599.
  • (2012).  Pharmacokinetics and tissue elimination of tulathromycin following subcutaneous administration in meat goats.Romanet, J., Smith G.W., Leavens, T.L. Tell, L.A., Baynes, R.E. Wetzlich, S.E., Riviere, J.E.  | Am J Vet Res 73:1634-1640.
  • (2012).  Effect of orally administered electrolyte solution formulation on abomasal luminal pH and emptying rate in dairy calves. Smith, G.W., Ahmed, A.F., Constable, P.D. | J Am Vet Med Assoc 241:1075-1082.
  • (2012). Evaluation of a Serpens species bacterin for treatment of digital dermatitis in dairy cattle. Fidler, A.P., Alley, M.L., Smith, G.W. | Res Vet Sci 93:1258-1260.
  • (2012).  Plasma pharmacokinetics and milk residues of flunixin and 5-hydroxy flunixin following different routes of administration in dairy cattle.Kissell L.W., Smith, G.W., Leavens, T.L., Baynes, R.E., Wu, H., Riviere, J.E. | J Dairy Sci 95:7151-7157.
  • Congenital peritoneopericardial diaphragmatic hernia in an alpaca.Foster, D.F., Chinnadurai, S.K., Nutt, J.N., Linder, K.E., Alley, M.L., Smith, G.W. (2011). | Aust Vet J 89:51-54.
  • Treatment of calf diarrhea: oral fluid therapy.Smith, G.W. (2009). | Vet Clin Food Anim 25:55-72
  • (2009). Pathophysiology of diarrhea in calves. Foster, D.M., Smith, G.W. | Vet Clin Food Anim 25:13-36.
  • Extralabel use of anesthetic and analgesic compounds in cattle.Smith, G.W. (2013). | Vet Clin Food Anim 29:29-45.
  • (2013). Occurrence of flunixin residues in bovine milk samples from the USA.Kissell, L.W., Baynes, R.E., Riviere, J.E., Smith, G.W., | Food Addit Contam A 30:1513-1516.
  • (2012). Challenges associated with the demonstration of bioequivalence of intramammary products in ruminants.Lainesse, C., Gehring, R., Pasloske K., Smith, G., Soback, S., Wagner, S., Whittem, T. | J Vet Pharmacol Therap 35 (Suppl 1): 65-79.
  • Congenital peritoneopericardial diaphragmatic hernia in an alpaca.Foster, D.F., Chinnadurai, S.K., Nutt, J.N., Linder, K.E., Alley, M.L., Smith, G.W. (2011). | Aust Vet J 89:51-54.
  • (2011). Pharmacokinetics of tulathromycin following subcutaneous administration in meat goats.Young, G., Smith, G.W., Leavens, T.L., Wetzlich, S.E., Baynes, R.E., Mason, S.E., Riviere, J.E., Tell, L.A. | Res Vet Sci 90:477-479. Young
  • (2011). Serum immunoglobulin G and total protein concentrations in dairy calves fed a colostrum-replacement product.Fidler, A.P., Alley, M.L., Smith, G.W. | J Dairy Sci 94:3609-3612.
  • Treatment of calf diarrhea: oral fluid therapy.Smith, G.W. (2009). | Vet Clin Food Anim 25:55-72
  • (2009). Third compartment cannulation in alpacas using a polyurethane gastrostomy tube.Smith, G.W., Gerard, M.P., Campbell, N.B., Foster, D.M., Smith, S.M., and Davis, J.L. | Aust Vet J 87:487-491.
  • (2009). Update on drugs prohibited from extralabel use in food animals.Davis, J.L., Smith, G.W., Baynes, R.E., Tell, L.A., Webb, A.I., and Riviere, J.E. | J Am Vet Med Assoc 235:528-534.
  • (2009). Treatment of calf diarrhea: oral fluid therapy.Smith, G.W. | Vet Clin Food Anim 25:55-72.
  • (2008). Extralabel use of nonsteroidal anti-inflammatory drugs in cattle.Smith, G.W., Davis, J.L., Tell, L.A., Webb, A.I., and Riviere J.E. | J Am Vet Med Assoc 232:697-701.
  • (2008). Pharmacokinetics of melamine in pigs following intravenous administration.Baynes, R.E., Smith, G., Mason, S.E., Barrett, E., Barlow, B.M., and Riviere, J.E. | Food Chem Toxicol 46:1196-1200.
  • Fumonisin toxicity.Smith, G.W. | In: Veterinary Toxicity: Basic and Clinical Principles, edited by R.C. Gupta. Philadelphia: Elsevier, 2007:983-996.
  • (2009). Elimination kinetics of tilmicosin following intramammary administration in lactating dairy cattle.Smith, GW., Davis, JL., Baynes, RE., Yeatts, JL., Barlow, BM., and Riviere, JE. | J. Am. Vet. Med. Assoc. 234(2):245-248
  • (2011) Efficacy of amprolium for the treatment of pathogenic Eimeria species in Boer goat kids. Young G, Smith GW, Alley ML, Foster DM.  | Vet Parasit. 2011; 178(3-4):346-9
  • (2010) Efficacy and pharmacokinetics of pantoprazole in alpacas.Smith, G.W., Davis, J.L., Smith, S.M., Gerard, M.P., Campbell, N.B., Foster, D.M. | J Vet Intern Med. 24:949-955
  • (2009) Third compartment cannulation in alpacas using a polyurethane gastrotomy tubeSmith GW, Gerard MP, Campbell NB, Foster DM, et al. | Aust Vet J. 2009; 87(12):487-91
  • (2008) Posterior paresis resulting from a vertebral body fracture in a bull.Foster, D.M., Smith, G.W., Pandiri, A., and Blond L. | Bovine Practitioner 2008; 42(1):41-4
  • (2007) Absorption of protein and IgG in calves fed a colostrum replacer.Smith GW and Foster DM | J Dairy Sci. 2007; 90:2905-2908
  • (2006) Serum IgG and total protein concentrations in dairy calves fed two colostrum replacement products.Foster, DM, Smith, G, Sanner, TR, and Busso, GV. | J Am Vet Med Assoc. 229:1282-1285