Abstract
Alcohol consumption is known to cause an array of alcohol-induced biochemical changes in a biological system. This study investigated the durations effects of different alcohol concentrations (30%, 40%, and 50%) on malondialdehyde levels, testes histology, and sperm characteristics in matured male Wistar rats. The rats were divided into four groups namely thus; control, 30%, 40% and 50%. Control group was orally administered 0% alcohol while, group 30%, 40% and 50% received orally 30%, 40% and 50% of alcohol concentrations (3.20 g/ Kg body weight) respectively for maximum durations of 28 days. On the day 1, 7, 14, 21, and 28, five rats from each group (control, 30%, 40% and 50% alcohol) were sacrificed, and malondialdehyde levels, testes histology, and sperm characteristics were examined.Graded alcohol concentrations caused different detrimental effects on sperm characteristics and induced pathological lesions in the testes. Significant increases in serum, liver and testes malondialdehyde levels were durations independent but almost entirely concentrations dependent.Ultimately, administration of alcohol graded concentration led to loss of sperm motility and testicular degeneration in concentration and durations dependent manner without a concomitant increase in the malondialdehyde levels.
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