Cholesterol concentration in seminal plasma as a predictive tool for quality semen evaluation

被引:40
作者
Beer-Ljubic, B. [1 ]
Aladrovic, J. [1 ]
Marenjak, T. S. [2 ]
Laskaj, R. [3 ]
Majic-Balic, I. [4 ]
Milinkovic-Tur, S. [1 ]
机构
[1] Univ Zagreb, Fac Vet Med, Dept Physiol & Radiobiol, Zagreb, Croatia
[2] Univ Zagreb, Fac Vet Med, Dept Pathophysiol, Zagreb, Croatia
[3] Univ Zagreb, Univ Hosp Infect Dis, Zagreb, Croatia
[4] Reprod & Anim Breeding Ctr, Krizhevci, Croatia
关键词
Cholesterols; Seasonality; Seminal plasma; Serum; Simmental bulls; DENSITY-LIPOPROTEIN; SEASONAL-VARIATION; SIMMENTAL COWS; SPERM QUALITY; BOAR SEMEN; PARAMETERS; CRYOPRESERVATION; STALLIONS; MEMBRANE; FERTILE;
D O I
10.1016/j.theriogenology.2009.07.009
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
The aim of this study was to investigate the relationship between lipid composition of bovine serum and seminal plasma, seasonality, and semen quality. The experiment was carried out in two groups of Simmental breeding bulls: Group I (ages 2 to 4 yr) and Group II (ages 5 to 10 yr). Blood samples were collected from jugular vein, and bovine semen was sampled with an artificial vagina once per season. Serum concentrations of total cholesterol, high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), triacylglycerols, nonesterified fatty acids (NEFAs), and lipoprotein electrophoretic patterns were determined. Seminal plasma concentrations of total cholesterol, HDL-C, and LDL-C were assayed. Serum concentration of triacylglycerols in young bulls was significantly higher in winter compared with that in autumn, whereas serum NEFA concentration was significantly higher in autumn compared with that in other seasons. Serum concentration of total cholesterol, LDL-C, and LDL lipoproteins in older bulls was significantly higher in winter than in spring. Seminal plasma concentration of total cholesterol in young bulls was significantly higher in spring compared with that in summer, whereas in older bulls it was significantly higher in winter compared with that in autumn samples. Sperm volume of both groups was significantly higher in summer compared with that in autumn and winter. Sperm motility in young bulls was lowest in summer and differed significantly from the values recorded in other seasons. The changes observed in seminal plasma cholesterol concentration were associated with extracellular lipid use and appeared to be applicable as a biochemical marker of sperm quality. (C) 2009 Elsevier Inc. All rights reserved.
引用
收藏
页码:1132 / 1140
页数:9
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