Abstract
In this study, semen seminal plasma contents and the motility of sperm cells were determined in Capoeta trutta via a computer-assisted sperm analysis system. In addition, we evaluated the relationship between semen seminal plasma ions and the velocities of sperm cells. Although the predominant ions were K ( mg L) and Na ( mg L) in the semen seminal plasma, Ca ( mg L) and Mg ( mg L) were not predominate according to our results. However, partially strong relationships between the curvilinear velocity value (VCL) and K (; ) were found, while it was moderate with Mg (; ). There was a weak relationship with Na (; ) and Ca (; ). In our results, while the trace metals were determined as Zn > Al > B > Li > Cu in semen seminal plasma, they are not correlated with sperm cell velocities. Finally, we hope that the present information on the motility parameters of Capoeta trutta in this paper will eventually help artificial insemination in reproduction practices.
Highlights
Capoeta trutta (Heckel, 1843) is a species in the Cyprinidae family
The sperm cells are immobilized in the testes and seminal fluid, and the start of motility depends on the conditions of the fertilization environment
We analyzed the relationships between sperm cell velocities and semen seminal plasma contents in Capoeta trutta
Summary
Capoeta trutta (Heckel, 1843) is a species in the Cyprinidae family. The fish species is distributed in the Euphrates and Tigris rivers in Turkey, Iran, Iraq, and Syria (Esmaeili et al, 2010; Demirsoy, 1993). Seminal plasma has very important ions that support the viability, motility, or immobilization of sperm cells. The sperm cells are immobilized in the testes and seminal fluid, and the start of motility depends on the conditions of the fertilization environment. The ion concentrations (Na+, K+, Ca2+, Mg2+, HCO−3 etc.), osmolality, and pH in activator media are among the most important to regulate motility of sperm cells, in addition to other factors (Alavi and Cosson, 2006; Browne et al, 2015; Dzyuba and Cosson, 2014). For the motility of rainbow trout sperm cells, Na+/H+ exchange may be responsible for the participation of Na+ ions (Dzyuba and Cosson, 2014). Researchers have found that intracellular Ca ion concentrations increase when
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