• 1
    Field JR, Jeffcott LB. Equine laminitis – another hypothesis for pathogenesis. Med Hypotheses 1989;30:203210.
  • 2
    Frank N, Geor RJ, Bailey AJ, et al. Equine Metabolic Syndrome (ACVIM Consensus Statement). J Vet Intern Med 2010;24:467475.
  • 3
    Hoffman RM, Boston RC, Stefanovski D, et al. Obesity and diet affect glucose dynamics and insulin sensitivity in Thoroughbred geldings. J Anim Sci 2003;81:23332342.
  • 4
    Frank N, Elliott SB, Brandt LE, Keisler DH. Physical characteristics, blood hormone concentrations, and plasma lipid concentrations in obese horses with insulin resistance. J Am Vet Med Assoc 2006;228:13831390.
  • 5
    Vick MM, Sessions DR, Murphy BA, et al. Obesity is associated with altered metabolic and reproductive activity in the mare: effects of metformin on insulin sensitivity and reproductive cyclicity. Reprod Fertil Dev 2006;18:609617.
  • 6
    Vick MM, Adams AA, Murphy BA, et al. Relationships among inflammatory cytokines, obesity, and insulin sensitivity in the horse. J Anim Sci 2007;85:11441155.
  • 7
    Carter RA, McCutcheon LJ, George LA, et al. Effects of diet induced weight gain on insulin sensitivity and plasma hormone and lipid concentration in horses. Am J Vet Res 2009;70:12501258.
  • 8
    Johnson PJ, Messer NT, Slight SH, et al. Endocrinopathic laminitis in horses. Clin Tech Equine Pract 2004;3:4556.
  • 9
    Walsh DM, McGowan CM, McGowan T, et al. Correlation of plasma insulin concentration with laminitis score in a field study of equine Cushing's disease and equine metabolic syndrome. J Equine Vet Sci 2009;29:8794.
  • 10
    de Laat MA, McGowan CM, Sillence MN, Pollitt C. Equine laminitis induced by 48 h hyperinsulinaemia in Standardbred horses. Equine Vet J 2010;42:129135.
  • 11
    Karikoski NP, Horn I, McGowan TW, McGowan CM. The prevalence of endocrinopathic laminitis among horses presented for laminitis at a first-opinion/referral equine hospital. Domest Anim Endocrinol 2011;41:111117.
  • 12
    NAHMS USDA Equine 1998. National Animal Health Monitoring System, Equine Mortality and Morbidity Info Sheet. Available at: Accessed August 9, 2012.
  • 13
    NAHMS USDA Equine 2005. National Health Monitoring System, Part 1: Baseline Reference of Equine Health and Management. Available at: Accessed August 9, 2012.
  • 14
    National Research Council. Nutrient Requirements of Horses, 5th ed. Washington DC: National Academy Press; 1989:4247.
  • 15
    Henneke DR, Potter GD, Kreider JL, Yeates BF. Relationship between condition score, physical measurements and body fat percentage in mares. Equine Vet J 1983;15:371372.
  • 16
    Carrol CL, Huntington PJ. Body condition scoring and weight estimation of horses. Equine Vet J 1988;20:4145.
  • 17
    Donaldson MT, McFarlane D, Jorgensen AJ, Beech J.Correlation between plasma alpha-melanocyte stimulating hormone concentration and body mass index in healthy horses. Am J Vet Res 2004;65:14691473.
  • 18
    Frank N. Obesity and insulin resistance in horses. In: Proceedings 23rd Annu ACVIM Forum. Lakewood; 2005:201203.
  • 19
    Wyse CA, McNie KA, Tannahil VJ, et al. Prevalence of obesity in riding horses in Scotland. Vet Rec 2008;162:590591.
  • 20
    Pratt-Phillips SE, Owens KM, Dowler LE, Cloninger MT. Assessment of resting insulin and leptin concentrations and their association with managerial and innate factors in horses. J Equine Vet Sci 2010;30:127133.
  • 21
    United States Department of Agriculture National Agricultural Statistics Service Virginia (Richmond Field Office). 2006 Virginia equine survey report. Richmond: Sponsored by the Virginia Department of Agriculture and Consumer Services and the Virginia Horse Industry Board; 2008.
  • 22
    Deloitte Consulting LLP. National Economic Impact of the U.S. Horse Industry. Washington: Sponsored by the American Horse Council; 2005.
  • 23
    Johnson PJ. The equine metabolic syndrome peripheral Cushing's syndrome. Vet Clin North Am Equine Pract 2002;18:271293.
  • 24
    Robie SM, Janson CH, Smith SC, O'Connor JT Jr. Equine serum lipids: serum lipids and glucose in Morgan and Thoroughbred horses and Shetland ponies. Am J Vet Res 1975;36:17051708.
  • 25
    Ragnarsson S, Jansson A. Comparison of grass haylage digestibility and metabolic plasma profile in Icelandic and Standardbred horses. J Anim Physiol Anim Nutr 2011;3:273279.
  • 26
    Lund EM, Armstrong PJ, Kirk CA, et al. Prevalence and risk factors for obesity in adult cats from private veterinary practices. Int J Appl Res Vet Med 2005;3:8896.
  • 27
    Lund EM, Armstrong PJ, Kirk CA, Klausner JS. Prevalence and risk factors for obesity in adult dogs from private veterinary practices. Int J Appl Res Vet Med 2006;4:177186.
  • 28
    Treiber KH, Kronfeld DS, Hess TM, et al. Evaluation of genetic and metabolic predispositions and nutritional risk factors for pasture associated laminitis in ponies. J Am Vet Med Assoc 2006;228:15381545.