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Effects of selected epigenetic factors on the rabbit ejaculate quality

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Author(s): Chrenek P. | Schneidgenová Monika | Vasicek J. | Martiniaková Monika | Vondráková Mária

Journal: Acta Veterinaria
ISSN 0567-8315

Volume: 61;
Issue: 5-6;
Start page: 621;
Date: 2011;
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Keywords: CASA | heavy metals | hyperthermia | rabbit sperm

ABSTRACT
The aim of our study was to monitor the impact of heavy metals and hyperthermia on the basic rabbit semen characteristics. Rabbit males (n=31) of New Zealand White line were exposed to different doses of nickel and zinc administered to feed mixture (P1 group - 17.5 mg NiCl2/kg, P2 group - 35.0 mg NiCl2/kg, P3 group - 17.5 mg NiCl2/kg + 30.0 mg ZnCl2/kg and P4 group - 35.0 mg NiCl2/kg + 30.0 mg ZnCl2/kg; experiment I) and to high ambient temperature (36 ± 3ºC; experiment II), and then compared to control C. Semen samples collected from each buck were analyzed using CASA system in order to evaluate the concentration and motility parameters of rabbit spermatozoa. In the first experiment, highly significant differences were observed in the motility of spermatozoa between P3 and P1, P4 groups and C (p
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