نتایج جستجو برای: conventional semen parameters

تعداد نتایج: 827341  

Journal: :Reproduction in domestic animals = Zuchthygiene 2003
E Sellés J Gadea R Romar C Matás S Ruiz

A porcine in vitro fertilization (IVF) system and seminal quality parameters of frozen-thawed boar semen were used to assess the effectiveness of two different thawing rates of frozen boar semen, and to address the question of whether differences between fertility of ejaculates could be predicted in a limited field trial. In the first experiment, two thawing procedures were analysed (37 degrees...

Journal: :Journal of dairy science 2010
H D Norman J L Hutchison R H Miller

Use of sexed semen for artificial insemination of US Holstein heifers (1.3 million breedings) and cows (10.8 million breedings) in Dairy Herd Improvement herds was characterized by breeding year, parity, service number, region, herd size, and herd milk yield. Sexed semen was used for 1.4, 9.5, and 17.8% of all reported breedings for 2006, 2007, and 2008, respectively, for heifers, and for 0.1, ...

Journal: :Fertility and sterility 2010
Aura María Gil-Villa Wálter Cardona-Maya Ashok Agarwal Rakesh Sharma Angela Cadavid

OBJECTIVE To evaluate and compare standard sperm parameters, lipid peroxidation of sperm plasma membranes, antioxidant capacity of seminal plasma, and sperm chromatin integrity in ejaculates from men whose partners have a history of recurrent pregnancy loss and from a control group of men with recent fertility. DESIGN Descriptive study. SETTING Reproduction Program, University of Antioquia,...

2014
Akira Komiya Tomonori Kato Yoko Kawauchi Akihiko Watanabe Hideki Fuse

OBJECTIVE The clinical factors associated with sperm DNA fragmentation (SDF) were investigated in male patients with infertility. MATERIALS AND METHODS Fifty-four ejaculates from infertile Japanese males were used. Thirty-three and twenty-one were from the patients with varicoceles and idiopathic causes of infertility, respectively. We performed blood tests, including the serum sex hormone le...

Journal: :journal of agricultural science and technology 2014
a. boustan a. nejati javaremi m. moradi shahrbabak

in recent years, sexed semen has been commercially available. due to its lower fertility and higher price compared to conventional semen, economic evaluation should be undertaken before recommending the technology to dairy producers in each country. the objectives of the present study were to evaluate the advantages and disadvantages of the sexed semen usage at farm level in economic conditions...

Journal: :Theriogenology 2015
Kazhal Sarsaifi Abd Wahid Haron Jaya Vejayan Rosnina Yusoff Homayoun Hani Mohamed Ariff Omar Lai Wei Hong Nurhusien Yimer Tan Ying Ju Abas-Mazni Othman

The present study evaluated the relationship between Bali bull (Bos javanicus) seminal plasma proteins and different semen quality parameters. Semen samples from 10 mature Bali bulls were evaluated for conventional semen parameters (general motility, viability, and normal morphology), sperm functionality (acrosome reaction, sperm penetration rate, sperm penetration index), sperm kinetics (compu...

Journal: :journal of current ophthalmology 0
سیدجواد هاشمیان seyed javad hashemian فرزاد پاکدل farzad pakdel علیرضا فروتن alireza foroutan محمود جوشقانی mahmood joshaghani جعفر قائم پناه jafar ghaempanah مجید محبی majid mohebbi ابراهیم جعفری

purpose : to compare the outcomes of microcoaxial phacoemulsification and conventional phacoemulsification techniques methods : in this prospective comparative clinical study in the negah eye center, 69 eyes of 69 patients with senile cataract of grade 3 to 4 on the lens opacities classification system iii (locsiii) were placed in two groups. thirty nine eyes were assigned to undergo surgery by...

Journal: :Iranian journal of veterinary research 2015
P R Shivahre A K Gupta A Panmei B R Yadav M Bhakat T K Mohanty A Kumaresan V Kumar S K Dash S Singh

In vitro fertility assessment using fluorescent technique is a better predictor of fertility status of bulls as compared to traditional semen quality assessment techniques, therefore, the study was planned to assess in vitro fertility status of bulls based on conventional and fluorescent techniques. Seventy-three ejaculates were collected from 12 Murrah buffalo bulls maintained at Artificial Br...

Journal: :Fertility and sterility 2009
Eirini Neofytou George Sourvinos Maria Asmarianaki Demetrios A Spandidos Antonios Makrigiannakis

OBJECTIVE To determine the prevalence of herpes viruses in the semen of an asymptomatic male cohort with and without infertility problems and its association with altered semen parameters. DESIGN A prospective randomized study. SETTING Medical school and IVF clinic. PATIENT(S) One hundred seventy-two male patients undergoing routine semen analysis: 80 with normal semen parameters (control...

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