Effect of Selenium and Vitamin E Supplementation on Semen Quality in Dogs with Lowered Fertility

A. Domosławska, S. Zdunczyk, W. Niżański, A. Jurczak, T. Janowski
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引用次数: 13

Abstract

Abstract Thirty clinically healthy dogs with poor semen quality were used in the study. Fifteen dogs were supplemented daily with selenium (0.6 mg/kg organic selenium from yeast) and vitamin E (5 mg/kg) per os for 60 d. The control group (15 dogs) was not supplemented. Semen was collected from all dogs by manual manipulation on days 0, 30, 60, and 90. The sperm concentration and motility parameters were evaluated with a Hamilton Thorne sperm analyser, version IVOS 12.3. For the assessment of sperm morphology, Diff-Quik stain was used. The percentage of live and dead spermatozoa was estimated on dried smears stained with eosin-nigrosin. The concentration of spermatozoa, most motility parameters determined (PMOT, VSL, VCL, ALH, BCF, RAPID, MEDIUM, SLOW, and STATIC), and the percentage of spermatozoa morphologically normal and live increased significantly (P < 0.05) after 60 d of supplementation. In the control group, there were no changes in motility parameters while the concentration and total sperm count decreased over the duration of the study. In conclusion, supplementation with selenium and vitamin E for 60 d can improve the quality of semen in dogs with lowered fertility.
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补充硒和维生素E对低生育能力犬精液质量的影响
摘要选择30只临床健康但精液质量较差的犬为研究对象。15只狗每天补充硒(0.6 mg/kg酵母有机硒)和维生素E (5 mg/kg),持续60 d。对照组(15只狗)不补充硒。在第0、30、60和90天用手工方法采集所有犬的精液。使用Hamilton Thorne精子分析仪(IVOS 12.3版)评估精子浓度和活力参数。精子形态评价采用Diff-Quik染色法。活精子和死精子的百分比是在用伊红-黑素染色的干涂片上估计的。添加60 d后,精子浓度、大部分运动参数(PMOT、VSL、VCL、ALH、BCF、RAPID、MEDIUM、SLOW和STATIC)、形态正常和活精子比例显著升高(P < 0.05)。在对照组中,运动参数没有变化,但精子浓度和总数量在研究期间有所下降。综上所述,饲粮中添加硒和维生素E 60 d可提高低生育能力犬的精液质量。
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