Effects of physical stress on the systems of the horse.

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Effects of physical stress on the systems of the horse

Transcript of Effects of physical stress on the systems of the horse.

Page 1: Effects of physical stress on the systems of the horse.

Effects of physical stress on the systems of the horse

Page 2: Effects of physical stress on the systems of the horse.

• Stress.– Positive stress– Excessive stress

• Positive stress allows adaptation, e.g. adaptation of muscles, remodelling of bones.

• Temporary stress, e.g. sweating, agitation.

• Excessive stress, e.g. breakdown, fractures.

Page 3: Effects of physical stress on the systems of the horse.

• Fatigue as a result of high intensity exercise:– Depletion of high energy phosphates within muscle;– Decrease in intracellular pH;– Lactic acid accumulation.

• Fatigue in response to sub-maximal exercise:– Depletion of muscular fuel stores;– Hyperthermia & dehydration;– Electrolyte loss.