Abstract
The objectives of the present study were to determine the relationships between sperm characteristics (density and pH) and fertilization capacity (hatching rate) for Persian sturgeon during their reproductive season. Eleven males were used in this study. The luteinizing hormone releasing hormone analog was used to induce spermiation following which semen samples were stripped. Statistical analysis revealed positive correlations between hatching rate and sperm pH (P < 0.05, r = 0.711) and between sperm pH and fertilization rate (P < 0.05, r = 0.633). Highly negative relationships were found between sperm density and hatching rate (P > 0.01, r = −0.745). We suggest that understanding these correlations is critical in the evaluation of sperm quality and for the composition of media (extender) to be used in the dilution of semen to improve sperm motility/fertility parameters of Persian sturgeon.
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Acknowledgments
The authors would like to thank Mr. Hossein Mohammadi for technical assistance during sperm sampling. We also gratefully acknowledge the head and staff of Dr. Dadman International Sturgeon Research Institute (Rasht) for their valuable contributions.
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Dadras, H., Khara, H. & Noveiri, S.B. Effect of sperm pH and density on fertilization success in Persian sturgeon Acipenser persicus (Borodin, 1897). Comp Clin Pathol 23, 975–978 (2014). https://doi.org/10.1007/s00580-013-1727-3
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DOI: https://doi.org/10.1007/s00580-013-1727-3