Heart disease in horses recently hit the news when Hickstead, a 15-year-old Dutch Warmblood showjumper, suddenly dropped dead after completing in a Grand Prix event in Verona, Italy. The cause of death was later determined to be an aortic rupture.
Like the human heart, the equine heart has four chambers (right atrium, right ventricle, left atrium, and left ventricle), with heart valves above and below each chamber. Blood is pumped from the veins into the lungs, where it is oxygenated, then back through the heart and aortic artery to the body. Any damage to the muscles or valves of the heart has a direct effect on the health and performance of the horse.
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Ancient Chinese horses: how are they related to modern breeds?
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Melville Ferreira and Freek Botes, researchers at the Agricultural Research Council's Animal Production Insititute in Armoedsvlakte, explain why performance testing is important for herd progress.
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Glenneis Kriel reports on the recent South African Cow Longevity Conference, where it was said that food security was the major concern at the moment.
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SA's electricity crisis: a dim legacy
South Africa's electricity crisis is the result of a series of failures over the past 30 years, says Mark Swilling, distinguished professor of Sustainable Development at Stellenbosch University.