• Argenzio, R.A. and Hintz, H.F. (1971) Volatile fatty acid tolerance and effect of glucose and VFA on plasma insulin levels in ponies. J. Nutr. 101, 723730.
  • Argenzio, R.A. and Hintz, H.F. (1972) Effect of diet on glucose entry and oxidation rates in ponies. J. Nutr. 102, 879892.
  • Balsam, A. and Leppo, L.E. (1975) Effect of physical training on the metabolism of thyroid hormones in man. J. appl. Physiol. 38, 212215.
  • Caralis, D.G., Edwards, L. and Davis, P.J. (1977) Serum total and free thyroxine and triiodothyronine during dynamic muscular exercise in man. Am. J. Physiol. 233, E115E118.
  • Chen, C.L. and Li, W.I. (1986) Effect of thyrotropin releasing hormone (TRH) on serum levels of thyroid hormones in Thoroughbred mares. J. equine vet. Sci. 6, 5861.
  • Chopra, I.J. (1977) A study of extrathyroidal conversion of thyroxine (T4) to 3,3′, 5-triiodothyronine (T3) in vitro. Endocrinol. 101, 453463.
  • Danforth, E. and Burger, A.G. (1989) The impact of nutrition on thyroid hormone physiology and action. Annu. Rev. Nutr. 9, 201227.
  • Danforth, E., Horton, E., O'Connell, M., Sims, E., Burger, A.G., Ingbar, S.H., Braverman, L. and Vagenakis, A. (1979) Dietary-induced alterations in thyroid hormone metabolism during overnutrition. J. clin. Invest. 64, 13361347.
  • Davidson, M.B. and Chopra, I.J. (1979) Effect of carbohydrate and noncarbohydrate sources of calories on plasma 3,5,3′-triiodothyronine concentrations in man. J. clin. Endocrinol. Metab. 48, 577581.
  • Gaidos, J. (1991) Age related changes in circulating concentrations, of metabolites and hormones associated with sexual maturation. MS Thesis, University of Kentucky, Lexington, Kentucky.
  • Gavin, L.A., McMahon, F.A. and Moeller, M. (1981) Carbohydrate in contrast to protein feeding increases the hepatic content of active thyroxine-5′-deiodinase in the rat. Endocrinology 109, 530536.
  • Glass, A.R., Mellitt, R., Burman, K.D., Wartofsky, L. and Swerdloff, R.S. (1978) Serum triiodothyronine in undernourished rats: dependence on dietary composition rather than total calorie or protein intake. Endocrinology 102, 19251928.
  • Henneke, D., Potter, G.D., Kreider, J.L. and Yates, B.F. (1983) Relationship between condition score, physical measurement and body fat percentage in mares. Equine vet. J. 15, 371372.
  • Irvine, C.H.G. (1967) Thyroxine secretion rate in the horse in various physiological states. J. Endocr. 39, 313320.
  • Irvine, C.H.G. (1968) Effect of exercise on thyroxine degradation in athletes and nonathletes. J. clin. Endocr. 28, 942948.
  • Katzeff, H.L., Bovbjerg, D. and Mark, D.A. (1988) Exercise regulation of triiodothyronine metabolism. Am. J. Physiol. 255, E824E828.
  • Lawrence, L., Soderholm, L.V., Roberts, A., Williams, J. and Hintz, H. (1993) Feeding status affects glucose metabolism in exercising horses. J. Nutr. 123, 21522157.
  • Lawrence, L.M., Hintz, H.F., Soderholm, L.V., Williams, J. and Roberts, A.M. (1995) Effect of time of feeding on metabolic response to exercise. Equine vet. J., Suppl. 18, 392395.
  • Mueller, P.J., Rawson, R.E., Van Soest, P.J. and Hintz, H.F. (1995) Influence of nutritional status on metabolic responses to exercise in donkeys. Equine vet. J., Suppl. 18, 400405.
  • Rodiek, A., Bonvicin, S., Stull, C. and Arana, M. (1991) Glycemic and endocrine responses to corn or alfalfa fed prior to exercise. In: Equine Exerdse Physiology 3, Eds: S.G.B.Persson, A.Lindholm and L.B.Jeffcott, ICEEP Publications, Davis, California, pp 323330.
  • Rone, J.K., Dons, R.F. and Reed, H.L. (1992) The effect of endurance training on serum triiodothyronine kinetic in man: physical conditioning marked by enhanced thyroid hormone metabolism. Clin. Endocrinol. 37, 325330.
  • Rose, R.J. and Sampson, D. (1982) Changes in certain metabolic parameters in horses associated with food deprivation and endurance exercise. Res. vet. Sci. 32, 198202.
  • Schmid, P., Wolf, W., Pilger, E., Schwaberger, G., Pessenhofer, H., Pristauta, H. and Leb, G. (1982) TSH, T3, rT3 and fT4 in maximal and submaximal physical exercise. Eur. J. appl. Physiol. 48, 3139.
  • Sojka, J.E., Johnson, M.A. and Bottoms, G.D. (1993) Serum triiodothyronine, total thyroxine, and free thyroxine in horses. Am. J. vet. Res. 54, 5255.
  • Southwood, L.L., Evans, D.L., Bryden, W.L. and Rose, R.J. (1993) Feeding practices in Thoroughbred and Standardbred racehorse stables. Aust. vet. J. 70, 184185.
  • Sticker, L.S., Thompson, D.L., Bunting, L.D., Fernandez, J.M. and DePew, C.L. (1995) Dietary protein and (or) energy restriction in mares: plasma glucose, insulin, nonesterified fatty acid and urea nitrogen responses to feeding, glucose and epinephrine. J. anim. Sci. 73, 136144.
  • Stull, C.L. and Rodiek, A.V. (1995) Stress and glycemic responses to postprandial interval and feed components in exercising horses. J. equine vet. Sci. 15, 382386.