Six mature horses were used to determine the energy requirements of exercising horses
during different seasons and in different body conditions. Horses were conditioned to work
7.2 km in 30 min 5 d/wk and fed to either a fleshy or moderate body condition during both hot
(temperature mean 32.4 C, with a 23.9–36.1 C range) and temperate (temperature mean
17.4 C, with a 3.9–27.8 C range) seasons. Horses were fed average quality Bermuda grass
hay at. 75% of body weight sufficient concentrate to maintain body weight and condition …