Physiological responses of horses to a treadmill simulated speed and endurance test in high heat and humidity before and after humid heat acclimation
| Autor: | C. A. Roberts, David Marlin, C. M. Scott, Roger C. Harris, Paul C. Mills, Robert C. Schroter, Patricia A. Harris |
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| Rok vydání: | 1999 |
| Předmět: |
Male
Hot Temperature Heat exhaustion Sweating Acclimatization Body Temperature Oxygen Consumption Animal science Heat acclimation Heart Rate Physical Conditioning Animal Heart rate Respiration medicine Animals Horses Lactic Acid Plasma Volume Exercise physiology Treadmill Acid-Base Equilibrium Chemistry Ecology VO2 max Humidity General Medicine medicine.disease Exercise Test Physical Endurance Female Body Temperature Regulation |
| Zdroj: | Equine Veterinary Journal. 31:31-42 |
| ISSN: | 2042-3306 0425-1644 |
| DOI: | 10.1111/j.2042-3306.1999.tb03788.x |
| Popis: | To investigate whether horses were able to acclimate to conditions of high temperature and humidity, 5 horses of different breeds were trained for 80 min on 15 consecutive days on a treadmill at 30 degrees C and 80%RH. Training consisted of a combination of long duration low-intensity exercise, medium duration medium intensity exercise and short duration high intensity exercise. Between training sessions the horses were maintained at 11+/-3 degrees C and 74+/-2%RH. Before (PRE-ACC) and after acclimation (POST-ACC) the horses undertook a simulated Competition Exercise Test (CET), designed to represent the Speed and Endurance Test of a 3-day event, at 30 degrees C/80%RH. Maximal oxygen uptake (VO2PEAK) was not changed following acclimation (PRE-ACC 141+/-8 ml/min/kg bwt vs. POST-ACC 145+/-9 ml/min/kg bwt [STPD], P>0.05). Following acclimation, 4 of the 5 horses were able to complete a significantly greater amount of Phase D in the CET (PRE-ACC 6.3+/-0.3 min vs. POST-ACC 7.3+/-0.3 min, P |
| Databáze: | OpenAIRE |
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