Description
| - Some biological aspects of semen were investigated in the Persian sturgeon, Acipenser persicus, by determination of seminal plasma indices (ionic composition and osmolality), sperm density and their relationships with sperm motility. The osmolality of seminal plasma ranged from 42.00 to 111.00 mOsmol Kg-1. The concentrations of Sodium (Na+), Potassium (K+), Chloride (Cl-), Calcium (Ca2+) and Magnesium (Mg2+) ions were 62.44+/-6.82, 6.92+/-0.88, 21.11+/-5.41, 0.79+/- 0.03 and 0.52+/-0.03mM L-1, respectively. The sperm density was 8.34+/-1.38x109 spz/ml. The Sodium/Potassium and Calcium/Potassium ratios were 9.02 and 0.13, respectively. The following significant positive correlations were found between seminal plasma indices; osmolality - Cl- (r2= 0.492, P<0.05), osmolality - Na+ (r2= 0.905, P<0.001) and Na+ - Cl- (r2= 0.584, P<0.05). There were also no significant correlations between ionic composition and osmolality of the seminal plasma and sperm motility (P>0.05). No relationship was o
- Some biological aspects of semen were investigated in the Persian sturgeon, Acipenser persicus, by determination of seminal plasma indices (ionic composition and osmolality), sperm density and their relationships with sperm motility. The osmolality of seminal plasma ranged from 42.00 to 111.00 mOsmol Kg-1. The concentrations of Sodium (Na+), Potassium (K+), Chloride (Cl-), Calcium (Ca2+) and Magnesium (Mg2+) ions were 62.44+/-6.82, 6.92+/-0.88, 21.11+/-5.41, 0.79+/- 0.03 and 0.52+/-0.03mM L-1, respectively. The sperm density was 8.34+/-1.38x109 spz/ml. The Sodium/Potassium and Calcium/Potassium ratios were 9.02 and 0.13, respectively. The following significant positive correlations were found between seminal plasma indices; osmolality - Cl- (r2= 0.492, P<0.05), osmolality - Na+ (r2= 0.905, P<0.001) and Na+ - Cl- (r2= 0.584, P<0.05). There were also no significant correlations between ionic composition and osmolality of the seminal plasma and sperm motility (P>0.05). No relationship was o (en)
- V této práci byly na základě stanovení vlastností semenné plasmy (iontové složení a osmolalita), koncentrace spermií a jejich motility sledovány některé biologické aspekty spermatu perského jesetera, Acipenser persicus. Osmolalita semenné plasmy se pohybovala v rozmezí 42,0 to 111,0 mOsmol Kg-1. Koncentrace iontů sodíku (Na+), draslíku (K+), chloru (Cl-), vápníku (Ca2+) a hořčíku (Mg2+) byly 62,44+/-6,82, 6,92+/-0,88, 21,11+/-5,41, 0,79+/- 0,03 a 0,52+/-0,03mM L-1. Koncentrace spermií byla 8,34+/-1,38x109 spz/ml. Poměry mezi sodíkem/draslíkem a vápníkem/draslíkem byly 9,02 a 0,13. Následující významně pozitvní korelace byly zjištěny: osmolalita - Cl- (r2= 0,492, P<0,05), osmolalita - Na+ (r2= 0,905, P<0,001) a Na+ - Cl- (r2= 0,584, P<0,05). Mezi iontovým složením a osmolalitou semenné plasmy a pohyblivostí spermií nebyly zjištěny významné korelační vztahy zjištěny (P>0,05). Žádný vztah nebyl zjištěn ani mezi testovanými koncentracemi spermií a jejich motilitou (r2= 0,015, P>0,05). Ionto (cs)
|