Spermatozoa Concentration, Seminal Plasma Composition and Their Physiological Relationship in the Endangered Stellate Sturgeon (Acipenser stellatus) and Russian Sturgeon (Acipenser gueldenstaedtii )
文献类型： 外文期刊
作者： Li, P. 1 ; Rodina, M. 1 ; Hulak, M. 1 ; Li, Z-H 1 ; Linhart, O. 1 ;
作者机构： 1.Univ S Bohemia, Res Inst Fish Culture & Hydrobiol, Fac Fisheries & Protect Water, Vodnany 38925, Czech Republic
2.Chinese Acad Fishery Sci, Minist Agr, Yangtze River Fisheries Res Inst, Key Lab Freshwater Biodivers Conservat & Utilizat, Jinzhou, Hubei, Peoples R China
期刊名称：REPRODUCTION IN DOMESTIC ANIMALS （ 影响因子：2.005； 五年影响因子：2.154 ）
ISSN： 0936-6768
年卷期： 2011 年 46 卷 2 期
页码：
收录情况： SCI
摘要： Comparative studies of ionic composition, osmolality, protein concentration and pH of seminal plasma along with spermatozoa concentrations were carried out in stellate sturgeon, Acipenser stellatus, and Russian sturgeon, Acipenser gueldenstaedtii. Analysis of A. gueldenstaedtii sperm showed significantly higher concentrations of Na+ (34.58 +/- 4.61 mm), Ca2+ (0.35 +/- 0.12 mm), Mg2+ (0.70 +/- 0.25 mm), Cl- (13.50 +/- 4.04 mm) and proteins (0.60 +/- 0.29 mg/ml) in the seminal plasma than did seminal plasma of A. stellatus: Na+ (20.08 +/- 10.75 mm), Ca2+ (0.28 +/- 0.06 mm), Mg2+ (0.29 +/- 0.05 mm), Cl- (7.50 +/- 3.00 mm) and 0.30 +/- 0.11 mg/ml proteins. Significantly higher concentration of K+ (5.42 +/- 1.06 mm) was observed in A. stellatus compared to A. gueldenstaedtii K+ (2.29 +/- 0.50 mm). Concentration of Na+ was positively correlated with osmolality (r = 0.819), levels of Cl- (r = 0.922) and Mg2+ (r = 0.727) and pH (r = 0.848). The concentration of Mg2+ was positively correlated with protein concentration (r = 0.774), Na+ (r = 0.727), Cl- (r = 0.872) and Ca2+ (r = 0.801). A positive relationship was also found between concentration of K+ and spermatozoa concentration (r = 0.709). Results revealed strong inter-species differences in several parameters. The data should be useful for artificial fertilization and for cryopreservation of sturgeon sperm.
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