Effect of different activation solutions on motility and fertilizing ability of spermatozoa in common carp Cyprinus carpio Linnaeus, 1758
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Authors
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Hossein Khara
Department of Fishery and Aquaculture, Collegeof Natural Resources, Lahijan Branch, Islamic Azad University,
Lahijan, Iran. P.O.Box: 1616
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Shahrooz Baradaran Noveiri
International Sturgeon Research Organization, Rasht, Iran. P.O .Box: 41635-3464.
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Hadiseh Dadras
Young Researchers Club, College of Natural Resources, Lahijan Branch, Islamic Azad University, Lahijan, Iran.. P.O.Box: 1616.
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Mina Rahbar
Young Researchers Club, College of Natural Resources, Lahijan Branch, Islamic Azad University, Lahijan, Iran.. P.O.Box: 1616.
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Mohadeseh AAhmadneJad
Inland Inland Water Aquaculture Research Center, Bandar Anzali, Iran. P.O.Box: 66
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Ali Khodadoost
Young Researchers Club, College of Natural Resources, Lahijan Branch, Islamic Azad University, Lahijan, Iran.. P.O.Box: 1616.
Abstract
The aim of this study was to test the effect of activation solutions containing sodium, (Na+) potassium (K+), calcium (Ca2+) and magnesium (Mg2+) ions on motility traits and fertilizing ability of spermatoza in common carp, Cyprinus carpio. The duration of sperm motility was influenced by activation solution containing NaCl (p<0.05) while other ions did not have any significant effect on motitlity. Percentage of motile spermatozoa was not influenced by any of the activation solution used. The results showed that fertilization and hatching rates were influenced (p<0.05) by solutions containing all ions except Mg2+. Other parameters such as length of larvae at hatching, larval length during active feeding and survival rate did not show any significant change with use of activation solutions. The results indicated that motility and fertilizing ability of common carp spermatozoa can be suitably manipulated using appropriate activation solutions.
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