Pengaruh injeksi nikotin terhadap motilitas, viabilitas, dan integritas membran spermatozoa mencit (Mus Musculus)

The process of spermatogenesis is sensitive to nicotine, a main component of cigarette smoke. This study aimed to observe the effect of nicotine injection on motility, viability, and membrane integrity of the spermatozoa of mice (Mus musculus). The mice were 10 weeks old, weighing about 20 grams, and in healthy and fertile conditions. Mice were adapted for 1 week by being given feed in the form of pellets and drinking water every day. Twenty of the mice were divided into four groups. Group K as a control was injected with 0.9% NaCl at 2.5 mg/Kg bw. Group P1 was injected with nicotine at 2.5 mg/Kg bw. P2 was injected with nicotine at 5 mg/Kg bw. Group P3 was injected with nicotine at 10 mg/Kg bw. The injection was carried out subcutaneously as much as 0.5 ml once a day for 35 days. Data analysis used the Analysis of Variances (ANOVA), followed by Duncan's Multiple Range Test. The results showed that the viability, motility, and membrane integrity of the spermatozoa decreased significantly (p <0.05) according to the increase in the dose of nicotine injected. It could be concluded that subcutaneous nicotine injection linearly decreased the motility, viability, and membrane integrity of the spermatozoa of mice.