Necip Fazil Kishali, Exercise Effects on Menopause-Induced Changes in Heart of Ovariectomized Rats, Journal of Animal and Veterinary Advances, Volume 10,Issue 8, 2011, Pages 1073-1079, ISSN 1680-5593, javaa.2011.1073.1079, (https://makhillpublications.co/view-article.php?doi=javaa.2011.1073.1079) Abstract: The menopause is characterized by the progressive decrease in estrogenic secretion and associated with bio-psycho and social changes which in turn impairs quality of life. This experiment was conducted to determine if exercise training has a protective role against the deleterious effects of aging in ovariectomized rats. Control rats and ovariectomized rats 12 weeks after surgery were subjected to a 4 weeks treadmill-running program. Subgroups established were young animals, old animals, ovariectomized animals, young exercise-trained animals, old exercise-trained animals and ovariectomized exercise-trained animals. In exercise groups, rats were subjected to treadmill exercise during which time each rat walked on a motor-driven treadmill at 15 m min-1 speed and 15° incline once every 2 days during 10 days for three courses as 5, 10 and 15 min day-1 totally for 30 days. In ovariectomized rat, heart tissue was remarkably dens fibrosis and an increase in necrotic cell density, possibly resulting from myocyte defect. Findings of old exercise-trained animal group more resembled young animal group rather than ovariectomized animal group and ovariectomized exercise-trained animal group. Keywords: Exercise;heart;menopause;myocyte;overiectomy;rats;Turkey