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Relationships between sex steroids of the seminal fluid and milt quality parameters of Persian sturgeon, Acipenser persicus Borodin, 1897 |
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| Authors: | Saeed Hajirezaee Hojatollah Jafaryan Samane Nazeri Khadijeh Shamekhi Ranjbar Hossein Khara Amin Golpour |
| Affiliation: | 1. Department of Fisheries and Environmental Sciences, Faculty of Natural Resources, University of Tehran, Karaj, Iran 2. Gonbad Higher Education Center, Gonbad, Iran 3. Department of Natural Resources, Gonbad Kavous University, Gonbad, Iran 4. Department of Fishery Science, Faculty of Natural Resources, Islamic Azad, University of Lahijan, PO Box 1616, Lahijan, Iran 5. Department of Fishery, Faculty of Natural Resources, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran |
| Abstract: | To investigate the role of sex steroids of the seminal fluid on sperm quality, the relationships between sex steroids and milt quality parameters (sperm motility and sperm production) were investigated in the Persian sturgeon. The seminal fluid levels of 17α,20β,21-trihydroxy-4-pregnen-3-one (20βs), and 11-ketotestosterone (11-KT) had positive relationships with sperm motility characteristics (percentage and duration of motility) and sperm density. Also, no relationships were found between other sex steroids including: Testosterone (T), progesterone (P), 17α-hydroxyprogesterone (OHP), and milt quality parameters. The good correlation of 20βs and 11-KT of the seminal fluid with sperm motility and sperm density suggests that these steroids may be important hormones involving in final maturation of the Persian sturgeon spermatozoa. |
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