Changes of sperm quality parameters in Caspian roach (Rutilus rutilus caspicus) during spawning migration

Abstract

ABSTRACT:In this study, changes of pH, ionic (Na + , K + , Ca 2+ , and Mg 2+ ), biochemical (total protein, glucose, and cholesterol) compositions of seminal plasma, sperm motility traits (percentage of motile spermatozoa and sperm movement duration), and sperm production characteristics (sperm volume, spermatocrit, and sperm density) were studied in Caspian roach, Rutilus rutilus caspicus, during spawning migration. Sperm of 10 males was collected three times during the spawning migration (in February, March, and April). The results showed that sperm motility parameters (percentage of motile spermatozoa and sperm movement duration) changed significantly (P < 0.05) during the reproductive season, but sperm density, spermatocrit, and sperm volume did not show significant differences during spawning migration. Analyses performed at each sampling time (February, March, and April) showed significant differences (P < 0.05) in calcium, magnesium, potassium, and cholesterol, whereas there were no significant changes in Na + , pH, total protein, glucose, and cholesterol.

Protein profile of seminal plasma and functionality of spermatozoa during the reproductive season in the common carp (Cyprinus carpio) and rainbow trout (Oncorhynchus mykiss)

“…Evaluation of sperm quality provides information for selecting the optimal time for sperm collection and to develop handling and storage protocols for sperm (Billard et al, 1995;Linhart et al, 2004). Seasonal spawning in species, such as the common carp and rainbow trout, influences the reproductive potential of males (Christ et al, 1996;Alavi et al, 2010;Golpour et al, 2013) through variations in semen volume as well as the number and motility of spermatozoa over the course of the reproductive season. Changes in seminal plasma protein composition over the spawning season also likely play an important role in fertilization (Li et al, 2009;Shaliutina et al, 2012).…”

Sperm quality and selected biochemical markers of seminal plasma at the beginning of the reproductive period of common carp, Cyprinus carpio L.

“…Seasonal fertility, which characterizes some Teleostei species such as common carp Cyprinus carpio L., Eurasian perch Perca fluviatilis (L.) or Caspian roach Rutilus rutilus caspicus, influences the reproductive potential of females as well as males (Christ et al 1996;Alavi et al 2010;Golpour et al 2013). In males, this is expressed by the volume of semen, the number of sperm and their motility and changes over the period of the spawning season.…”

Preservation of black sharkminnow,Labeo chrysophekadion(Bleeker, 1849) spermatozoa

“…), V. vimba (0.10–1.10; Alavi, Jorfi et al . ) and Rutilus rutilus caspicus (0.32; Golpour, Akhoundian, Khara, Rahbar & Dadras ), but it was lower than the values reported for C . idella (5.00–25.00; Bozkurt et al .…”

“…), Rutilus rutilus caspicus (7.45–7.95; Golpour et al . ) and L. calbasu (7.56; Hassan et al . ; Table ).…”