نتایج جستجو برای: in vitro insemination

تعداد نتایج: 16978893  

Journal: :Experimental and therapeutic medicine 2016
Jing Liu Xiao Zhang Yue Yang Junliang Zhao Dayong Hao Jianrui Zhang Yanli Liu Wenbin Wu Xingling Wang

This study aimed to evaluate the impact of a short insemination procedure on embryo development, assess the reliability of a fertilization check prior to the appearance of pronuclei and elucidate the role of rescue intracytoplasmic sperm injection (R-ICSI). Patients who had ≥9 eggs, were aged <38 years and had normal semen samples were included. The sibling eggs of each patient were divided int...

Journal: :Theriogenology 2013
S Rasmussen J Block G E Seidel Z Brink K McSweeney P W Farin L Bonilla P J Hansen

The main objective was to determine the efficacy of using X-sorted sperm to produce embryos in vitro for transfer into lactating dairy cows. Cows were bred by timed artificial insemination (TAI) using nonsorted semen or X-sorted sperm, or they received a fresh embryo produced in vitro by fertilization with X-sorted or nonsorted sperm using timed embryo transfer (TET). Pregnancy rates at approxi...

2003
H W G Baker

The advances in treatment of HIV and the introduction of polymerase chain reaction assay for the virus now make it acceptable for HIV discordant couples where the male partner is seropositive to attempt to conceive through artificial insemination by husband (AIH) or via in vitro fertilisation. With undetectable viral load and washed sperm, there is minimal risk of transmission of HIV to the fem...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه زابل - دانشکده کشاورزی 1392

این پژوهش به منظور بررسی تغییرات ترکیبات شیمیایی و ارزش غذایی سیلوی علوفه نی با افزودن برگ توت، آردجو و آنزیم به روش in vitro و in situ انجام شد. بدین منظور علوفه نی جمع آوری و جهت سیلو نمودن به قطعات 4-2 سانتی متری خرد گردید. سپس با استفاده از برگ توت ( 40 درصد)، آرد جو (10 درصد) و آنزیم به مقدار توصیه شده ( 3 گرم به ازای هر کیلوگرم ماده خشک) قبل از سیلو مخلوط و درون سطل های 5 کیلویی پلاستیکی ...

Journal: :Human reproduction 1996
M L Bernardi C Delouis

Sex determination of in-vitro matured/in-vitro fertilized ovine embryos cultured in synthetic oviduct fluid (SOF) medium was performed by the polymerase chain reaction amplification of specific Y DNA sequences so as to test the influence of sex on developmental growth during the preimplantation period. At 144 h post-insemination, embryos with a blastocoel were classified as the fast-developing ...

A. Niasari-Naslaji, K. Moore P. J. Hansen W. W. Thatcher

The open pulled straw has been used effectively to vitrify preimplantation embryos because of geometricfeatures that allow rapid rates of temperature exchange. One possible inexpensive alternative to the openpulled straw are commercially-available microcapillary pipette tips commonly used for electrophoresis. Themain purpose of this study was to compare the survival rates of in vitro produced b...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید باهنر کرمان - دانشکده کشاورزی 1389

فیتوپلاسماها گروهی از پروکاریوت‎های غیر مارپیچی و بدون دیواره‎ی سلولی‎اند که در آوندهای آبکش گیاهان و همولنف حشرات وجود دارند. این موجودات تا به حال در شرایط in vitro کشت نشده‎اند اما بر اساس توالی‎های حفاظت شده‎ی آنها مشخص شده است که متعلق به رده مالیکوتها هستند و در جنس phytoplasma candidatus قرار گرفتند. برای بررسی‎های عملی و مدیریت بیماری‎های فیتوپلاسمایی لازم است فیتوپلاسماها در میزبان‎های...

Journal: :iranian journal of veterinary research 2007
a. niasari-naslaji p. j. hansen k. moore w. w. thatcher

the open pulled straw has been used effectively to vitrify preimplantation embryos because of geometricfeatures that allow rapid rates of temperature exchange. one possible inexpensive alternative to the openpulled straw are commercially-available microcapillary pipette tips commonly used for electrophoresis. themain purpose of this study was to compare the survival rates of in vitro produced b...

Journal: :iranian journal of veterinary research 2013
a. r. wani m. z. khan k. a. sofi a. a. malik f. a. lone

a study was conducted to investigate the effect of follicular size (small,

Journal: :African journal of reproductive health 2012
Rose Nsa Ada Mve Leonardo Formigli

There is an increased need for low cost procedures in treating infertility particularly in developing countries. Intrauterine insemination was used long before the advent of in vitro fertilization. During the last 30 years however, intrauterine insemination has evolved with the introduction of ovulation stimulating protocols and sperm preparation methods taken from assisted reproduction techniq...

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