Fig. 4.

(a–e) The effect of intramuscular (groups P1 and P2) and oral (groups P3 and P4) amygdalin administration on rabbit spermatozoa beat cross frequency after 0 (a), 7 (b), 14 (c), 21 (d) and 28 (e) days of treatment. Ctrl – Control group; P1 – 0.6 mg AMG/kg b.w. intramuscular administration; P2 – 3.0 mg AMG/b.w. intramuscular administration; P3 – 60 mg apricot seeds/kg b.w. oral administration; P4 – 300 mg apricot seeds/kg b.w. oral administration. *P < 0.05; **P < 0.01; ***P < 0.001. Thousand cells were evaluated in each sample for the beat cross frequency.