نتایج جستجو برای: semen characteristics

تعداد نتایج: 673044  

Journal: :Theriogenology 2010
P H Purdy N Tharp T Stewart S F Spiller H D Blackburn

Boar semen is typically collected, diluted and cooled for AI use over numerous days, or frozen immediately after shipping to capable laboratories. The storage temperature and pH of the diluted, cooled boar semen could influence the fertility of boar sperm. Therefore, the purpose of this study was to determine the effects of pH and storage temperature on fresh and frozen-thawed boar sperm motili...

Journal: :Human reproduction 2009
Yafei Li Hui Lin Mingfu Ma Lianbing Li Min Cai Niya Zhou Xue Han Huaqiong Bao Liping Huang Caizhong Zhu Chuanhai Li Hao Yang Zhonglin Rao Ying Xiang Zhihong Cui Lin Ao Ziyuan Zhou Hongyan Xiong Jia Cao

BACKGROUND Large studies on semen quality of the general healthy population from China are rare. METHODS A cross-sectional study was performed to evaluate the semen quality of 1346 healthy men residing in Chongqing area of southwest China in 2007. The semen parameters were measured and compared with the World Health Organization (WHO) criteria. A linear regression model was used to examine th...

Journal: :Journal of Dairy Science 1988

2013
M.A. Hamedani A.M. Tahmasbi Y.J. Ahangari

The present study was undertaken to investigate the effect of various levels of vitamin B12 in Tris extender on semen quality of Dallagh rams following the cooling and freeze/thawing process. Semen was collected from six healthy and mature rams with an average body weight of 60.0 ± 5.0 Kg using an electro ejaculator. High quality samples were mixed and diluted in Tris extender supplemented with...

Journal: :Indian Journal of Clinical Biochemistry 2005

Journal: :International Journal of Current Microbiology and Applied Sciences 2018

Journal: :HIV Infection and Immunosuppressive Disorders 2019

Journal: :Reproduction Nutrition Développement 1987

2014
Hui Dai Lee Hyo Serk Lee Joong Shik Lee Yong-Seog Park Ju Tae Seo

PURPOSE This study was conducted to find the relative risk of semen abnormality with respect to smoking history and obesity. MATERIALS AND METHODS Subfertile or infertile men were enrolled in this study from July 2010 to June 2011. All participants provided their cigarette use information, self-reported weight, height, semen analysis, physical examination, and sexually transmitted disease sta...

Journal: :Animal reproduction science 2002
P Flores J García-Huidobro C Muñoz E Bustos-Obregón B Urquieta

Increasing the knowledge of the semen characteristics in the alpaca will contribute to understanding one of the many factors that affect the poor fertility rate in this species. Ten adult male alpacas, 2.6-10 years of age, average weight 64.7 +/- 4.7 kg were used. The animals were distributed randomly into two groups of five each and submitted alternatively to two semen collections, using an ar...

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