Determination of the lactate breakpoint during incremental exercise in horses adapted to dietary corn oil

American Journal of Veterinary Research

Volumn 61, Issue 2, 2000, Pages 144-151

  Kronfeld, David S ^a   Custalow, S Elizabeth ^a,c   Ferrante, Pamela L ^a,c   Taylor, Lynn E ^a,d   Moll, H David ^a   Meacham, Thomas N ^a   Tiegs, Wilfried ^b,c  

^a VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY   (United States)

^b Waltham Ctr Equine Nutr and Care   (Germany)

^c Otterbein College ^*  (Germany)

^d OTTERBEIN UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMALIA; EQUIDAE; ZEA MAYS;

CORN OIL; EDIBLE OIL; LACTIC ACID DERIVATIVE;

ANIMAL; ANIMAL EXPERIMENT; ANIMAL FOOD; ARTICLE; BIOLOGICAL MODEL; BLOOD; GLUCOSE BLOOD LEVEL; HORSE; METABOLISM; PHYSIOLOGY; RUNNING; TIME;

ANIMAL FEED; ANIMALS; BLOOD GLUCOSE; CORN OIL; DIETARY FATS, UNSATURATED; HORSES; LACTATES; MODELS, BIOLOGICAL; PHYSICAL CONDITIONING, ANIMAL; RUNNING; TIME FACTORS;

EID: 0034131955     PISSN: 00029645     EISSN: None     Source Type: Journal    
DOI: 10.2460/ajvr.2000.61.144     Document Type: Article

References (40)

1. Hill AV, Long CNH, Lupton H. Muscular exercise, lactic acid and the supply and utilization of oxygen. Proc R Soc Lond B Biol Sci 1924;96:438-475.
2. Wasserman K, Mcllroy MB. Detecting the threshold of anaerobic metabolism in cardiac patients during exercise. Am J Cardiol 1964;14:844-852.
3. Weltman A. The blood lactate response to exercise. Champaign, Ill: Human Kinetics, 1995;1-112.
4. Coyle EF. Integration of the physiological factors determining endurance performance ability. Exercise and Sport Sciences Reviews 1995;23:25-63.
5. Davis JA. Anaerobic threshold: review of the concept and directions for further research. Med Sci Sports Exer 1985;17:6-18.
6. Stainsby WN, Brooks GA. Control of lactic acid metabolism in contracting muscles and during exercise. Exercise and Sport Sciences Reviews 1990;18:29-63.
7. Farrell PA, Wilmore JH. Coyle EF, et al. Plasma lactate accumulation and distance running performance. Med Sci Sports Exer 1979;11:338-344.
8. Casini L, Grepp GF. Correlation of racing performance with fitness parameters after exercise tests on treadmill and on track in Standardbred racehorses. Pferdeheilkunde 1996;12:466-469.
9. Asheim A, Knudsen O, Lindholm A, et al. Heart rates and blood lactate concentrations of Standardbred horses during training and racing. J Am Vet Med Assoc 1970;157:304-312.
10. Engelhardt WV, Hornicke H, Ehrlein HJ, et al. Lactale, pyruvate, glucose and hydrogen ions in venous blood of riding horses at different stages of training. Zbl Vet Med A 1973;20:173-187.
11. Persson SGB, Ulberg LE. Blood volume in relation to exercise intolerance in trotters. J S Afr Vet Assoc 1974;45:293-299.
12. Persson SGB. Evaluation of exercise tolerance and fitness in the performance horse. In: Snow DH, Persson SGB, Rose RJ, eds. Equine exercise physiology. Cambridge, UK: Granta Editions, 1983;441-457.
13. Wilson RG, Isler RB, Thornton JR. Heart rate, lactic acid production and speed during standardized exercise test in Standardbred horses. In: Snow DH, Persson SGB, Rose RJ, eds. Equine exercise physiology. Cambridge, UK: Granta Editions, 1983;487-496.
14. Valette JP, Barrey E, Garbasi C, et al. Estimation of anaerobic threshold in the pony. Ann Zootech 1989;38:229-236.
15. Guhl A, Lindner A, von Wittke P. Use of the relationship between blood lactate and running speed to determine the exercise intensity of horses. Vet Rec 1996;139:108-110.
16. Kronfeld DS, Downey RL. Nutritional strategies for stamina in dogs and horses. Proc Nutr Soc Austral 1981;6:21-29.
17. Potter GD, Hughes SL, Julen TR, et al. A review of research on digestion and utilization of dietary fat by the equine Pferdeheilkunde 1992;8(suppl):119-124.
18. Kronfeld DS, Custalow SE, Ferrante PL, et al. Acid-base responses of fat-adapted horses: relevance to hard work in the heat. Appl Anim Behav Sci 59:61-72.
19. Greiwe KM, Meacham TN, Fontenot JR Effect of added dietary fat on exercising horses, in Proceedings. 11th Annu Meet Equine Nutr Physiol Soc 1989;101-106.
20. Oldham SL, Potter GD, Evans JW, et al. Storage and mobilization of muscle glycogen in exercising horses fed a fat-supplemented diet. J Equine Vet Sci 1990;10:353-359.
21. Hammel EP, Kronfeld DS, Ganjam VK, et al. Metabolic responses to exhaustive exercise in racing sled dogs fed diets containing medium, low and zero carbohydrate. Am J Clin Nutr 1977;30:409-418.
22. Taylor LE, Ferrante PL, Kronfeld DS, et al. Acid-base variables during incremental exercise in sprint-trained horses fed a high-fat diet. J Anim Sci 1995;73:2009-2018.
23. Robbins KR, Norton HW, Baker DH. Estimation of nutrient requirements from growth data. J Nutr 1979;109:1710-1714.
24. Mader A, Liesen H, Heck H, et al. Beuteilung der sportartspezifuschen aushauer leistungsfahigkeit im labor. Sportarzt Sportmed 1976;27:80-88.
25. Sjodin B, Jacob I. Onset of blood lactate accumulation and marathon running performance. Int J Sports Med 1981;2:23-26.
26. Bourgela M, Blais D, Marcoux M. Reproducibility and validity of VLa4 in Standardbred pacer horses on track. In: Persson SGB, Lindholm A, Jeffcott LJ, eds. Equine exercise physiology 3. Davis, Calif: ICEEP Publishing, 1991;196-201.
27. Rivero JL, Galisteo AM, Aguerra E, et al. Muscle fiber type, composition and size in successfully and unsuccessfully enduranceraced horses. J Appl Physiol 1993;75:1758-1762.
28. McCollum DE, Miller-Graber P, Kolterman T, et al. The metabolic response to exercise and conditioning: a comparison between Arabians and Quarter Horses, in Proceedings. 13th Annu Meet Equine Nutr Physiol Soc 1993;205-210.
29. Brooks GA. Anaerobic threshold: review of the concept and directions for future research. Med Sci Sports Exer 1985;17:22-31.
30. Naylor JM, Kronfeld DS, Freeman DE, et al. Hepatic and extra-hepatic lactate metabolism in sheep: effects of lactate loading and pH. Am J Physiol 1984;249:E747-E755.
31. Stanley WC, Gertz EW, Wisneski JA, et al, Systemic lactate kinetics during graded exercise in man. Am J Physiol 1985;249: E595-E602.
32. Ivy JL, Chi MM, Hintz CS, et al. Progressive metabolite changes in individual human muscle fibers with increasing work rates. Am J Physiol 1987;252:C630-C639.
33. Kinderman W, Simon G, Keul J. The significance of the aerobic-anaerobic transition for determination of work-load intensities during endurance training. Eur J Appl Physiol 1979;42:25-34.
34. Snow DH, Harris RC, Macdonald IA, et al. Effects of high-intensity exercise on plasma catecholamines in the Thoroughbred horse. Equine Vet J 1992;24:462-466.
35. Evans DL, Rainger JE, Hodgson DR, et al. The effects of intensity and duration of training on blood lactate concentrations during and after exercise. Equine Vet J 1995;18(suppl):422-425.
36. Ivy JL, Costill DL, Van Handel PJ, et al. Alteration in the lactate threshold with changes in substrate availability. Int J Sports Med 1981;2:139-142.
37. Reynolds AJ, Taylor CR, Hoppeler H, et al. The effect of diet on sled dog performance, oxidative capacity, skeletal muscle microstructure, and muscle glycogen metabolism. In: Carey DP, Norton SA, Boiser SM, eds. Recent advances in canine and feline research. Wilmington, Ohio: Orange Fraser Press, 1996;181-198.
38. Ferrante PL, Kronfeld DS, Taylor LE, et al. Blood lactate concentration during exercise in horses fed a high-fat diet and administered sodium bicarbonate. J Nutr 1994;124:2738-S2739S.
39. Kronfeld DS, Ferrante PL, Taylor LE, et al. Blood hydrogen ion and lactate concentrations during strenuous exercise in the horse. Equine Vet J 1994;18(suppl):266-269.
40. Kronfeld DS. Dietary fat affects heat production and other variables of equine performance under hot and humid conditions. Equine Vet J 1996;22(suppl):24-34.