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Sperm motility and fertilizing ability in the Persian sturgeon Acipenser persicus

Sperm motility and fertilizing ability in the Persian sturgeon Acipenser persicus The motility and fertilizing ability of the Persian sturgeon, Acipenser persicus, spermatozoa were investigated. Optimum ionic content (Na+, K+, Ca2+ and Mg2+) and pH of activation solution as well as the optimum dilution rate were determined. The results show optimum motility characteristics of spermatozoa in buffered solutions containing 25, 0.2, 3 and 10 mM L−1 Na+, K+, Ca2+ and Mg2+, respectively, at dilution rate 1:50 and pH 8.0. To test the fertilizing ability of sperm, two buffered saline solutions were used as activation solution of sperm motility. The present study indicated (1) spermatozoa motility is one of key factors that influence on fertilizing ability of sperm, (2) a high fertilizing ability of sperm is obtained after dilution in saline solutions rather than in freshwater and (3) a maximum fertilization rate occurs in buffered saline solution containing 0.2 mM L−1 K+. There is also a good correlation between biochemical characteristics of seminal plasma and fertilizing ability of sperm. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aquaculture Research Wiley

Sperm motility and fertilizing ability in the Persian sturgeon Acipenser persicus

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References (39)

Publisher
Wiley
Copyright
Copyright © 2005 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1355-557X
eISSN
1365-2109
DOI
10.1111/j.1365-2109.2005.01292.x
Publisher site
See Article on Publisher Site

Abstract

The motility and fertilizing ability of the Persian sturgeon, Acipenser persicus, spermatozoa were investigated. Optimum ionic content (Na+, K+, Ca2+ and Mg2+) and pH of activation solution as well as the optimum dilution rate were determined. The results show optimum motility characteristics of spermatozoa in buffered solutions containing 25, 0.2, 3 and 10 mM L−1 Na+, K+, Ca2+ and Mg2+, respectively, at dilution rate 1:50 and pH 8.0. To test the fertilizing ability of sperm, two buffered saline solutions were used as activation solution of sperm motility. The present study indicated (1) spermatozoa motility is one of key factors that influence on fertilizing ability of sperm, (2) a high fertilizing ability of sperm is obtained after dilution in saline solutions rather than in freshwater and (3) a maximum fertilization rate occurs in buffered saline solution containing 0.2 mM L−1 K+. There is also a good correlation between biochemical characteristics of seminal plasma and fertilizing ability of sperm.

Journal

Aquaculture ResearchWiley

Published: Jun 1, 2005

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