• Alexander, F. and Hickson, J.C.D. (1970) The salivary and pancreatic secretions of the horse. In: Physiology of Digestion and Metabolism in the Ruminant, Ed: A.T.Phillipson, Oriel Press, Newcastle, England. pp 375389.
  • Anon (1985) SAS Users's Guide: Statistics, SAS Institute Inc., Cary, North Carolina, USA.
  • Bia, M.J. and DeFronzo, R.A. (1981) Extrarenal potassium homeostasis. Am. J. Physiol. 240, F257F268.
  • Carlson, G.P. and Mansmann, R.A. (1974) Serum electrolyte and plasma protein alterations in horses used in endurance rides. J. Am. vet. med. Ass. 165, 262264.
  • Dougall, J.G. (1987) The physiology of aldosterone secretion. News Physiol. Sci. 2, 126128.
  • Gottlieb-Vedi, M., Dahlborn, K., Jansson, A. and Wroblewski, R. (1996) Elemental composition of muscle at rest and potassium levels in muscle, plasma and sweat of horses exercising at 20°C and 35°C. Equine vet. J., Suppl. 22, 3541.
  • Hintz, H.F. and Schryver, H.F. (1976) Potassium metabolism in ponies. J. anim. Sci. 42, 637643.
  • Hodgson, D.R., McCutcheon, L.J., Byrd, S.K., Brown, W.S., Bayly, W.M., Brengelmann, G.L. and Gollnick, P.D. (1993) Dissipation of metabolic heat in the horse during exercise. J. appl. Physiol. 74, 11611170.
  • Jansson, A., Nyman, S., Morgan, K., Palmgren-Karlsson, C., Lindholm, A. and Dahlborn, K. (1995) The effect of ambient temperature and saline loading on changes in plasma and urine electrolytes (Na+ and K+) following exercise. Equine vet. J., Suppl. 20, 147152.
  • Medbø, J.I. and Sejersted, O.M. (1990) Plasma potassium changes with high intensity exercise. J. Physiol. 421, 105122.
  • Medbø, J.I. and Sejersted, O.M. (1994) Plasma K* changes in during intense exercise in endurance-trained and sprint-trained subjects. Acta. Physiol. Scand. 151, 363371.
  • Meyer, H., Gürer, C. and Lindner, A. (1986) Effect of marginal K-supply for horses on K-metabolism and on sweat production and composition. J. anim. Phys. anim. Nutr. 55, 2944.
  • Nyman, S., Jansson, A., Dahlborn, K. and Lindholm, A. (1996) Strategies for voluntary rehydration in horses during endurance exercise. Equine vet. J., Suppl. 22, 99106.
  • Rabelink, T.J., Koomans, H.A., Hené, R.J. and Dorouth Mees, E.J. (1990) Early and late adjustment to potassium loading in humans. Kidney Int. 38, 942947.
  • Rabinowitz, L., Sarason, R.L., Yamauchi, H., Yamanaka, K.K. and Tzendzalian, P.A. (1984) Time course of adaptation to altered K intake in rats and sheep. Am. J. Physiol. 247, F607617.
  • Tasker, J.B. (1967) Fluid and electrolyte studies in the horse, III. Intake and output of water, sodium and potassium in normal horses. Cornell Vet. 57, 649657.
  • Tollenaar, D. (1977) Dietary potassium and sodium as affecting work output and other physical performance of rats. Nutrition Reports International. 15, 483492.
  • Weidenhaupt, K. (1977) Untersuchungen zum Kaliumstoffwechsel des Pferdes. PhD Thesis, Tierärztliche Hochschule Hannover, Germany.