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  • Title: The effect of increased ozone concentrations in the air on selected aspects of rat reproduction.
    Author: Jedlińska-Krakowska M, Gizejewski Z, Dietrich GJ, Jakubowski K, Glogowski J, Penkowski A.
    Journal: Pol J Vet Sci; 2006; 9(1):11-6. PubMed ID: 16573270.
    Abstract:
    Five-month-old male rates were exposed to 0.5 ppm ozone for 50 days, 5 hours a day. A week before the completion of ozone exposure, a biological test was performed to determine the fertilization rate and the survival rate of newborns in both ozone-exposed and control animals. After 50 days, the rats were sacrificed with an overdose of halotane, and testes were collected to assess the morphology and motility of spermatozoa. Neither the morphology of spermatozoa nor motility parameters determined by the CASA (computer-assisted sperm analysis) system showed statistically significant differences between ozone-exposed and control males. The number of successful matings and the survival rate of newborns per litter within one year postpartum were also similar in both groups. However, sperm concentration was by 17% lower in ozone-exposed rats, compared with the control animals.
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