were implanted with a
thermal sensory device in the muscle of the neck and the
subcutaneous tissue of the scrotum and then assigned to
either a nonexercise (Non-EX; n = 4) or exercise (EX;
n = 4) group. A motorized equine exerciser was used to
work EX stallions 30 min/d for 4 d/wk during a 12-wk
period from July through October 2010. Temperatures
(subcutaneous scrotal, intramuscular neck, and rectal)
were recorded at 0, 22, and 30 min after the start
of exercise, as well as 60 and 120 min post-exercise.
Hourly ambient temperature and relative humidity data
were also obtained. Semen was collected at 0, 4, 8, and
12 wk and analyzed for volume, sperm concentration,
total sperm numbers, percentages of total and progressively
motile sperm, sperm morphologic characteristics,
and sperm DNA quality. No effect (P > 0.05) of
exercise was observed on any of the measured semen
were implanted with athermal sensory device in the muscle of the neck and thesubcutaneous tissue of the scrotum and then assigned toeither a nonexercise (Non-EX; n = 4) or exercise (EX;n = 4) group. A motorized equine exerciser was used towork EX stallions 30 min/d for 4 d/wk during a 12-wkperiod from July through October 2010. Temperatures(subcutaneous scrotal, intramuscular neck, and rectal)were recorded at 0, 22, and 30 min after the startof exercise, as well as 60 and 120 min post-exercise.Hourly ambient temperature and relative humidity datawere also obtained. Semen was collected at 0, 4, 8, and12 wk and analyzed for volume, sperm concentration,total sperm numbers, percentages of total and progressivelymotile sperm, sperm morphologic characteristics,and sperm DNA quality. No effect (P > 0.05) ofexercise was observed on any of the measured semen
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