نتایج جستجو برای: sperm survival

تعداد نتایج: 366528  

Journal: :Italian Journal of Animal Science 2022

The cryopreservation of sperm into pellets is not the preferred way to package avian semen but quick and easy do does require sophisticated technology. aim this study was evaluate rooster viability mobility incidence normal cells injuries in post-thawed pelleted sperm. outcomes different pelleting protocols were evaluated, which varied according parameter combinations used each critical steps f...

Journal: : 2022

The oviduct is a vital organ for the process of capacitation, sperm survival and insemination. Gametes are transported, embryo formed in it. article has described morphological features studied morphometric parameters goats during newborn period, 5-, 6-, 7-months-old adult animals. Since period to age 5 months, oviducts female grow at relative rate 109.6%. From this adulthood, growth averages 2...

2014
Heriberto Rodríguez-Martínez

Artificial insemination (AI) of pigs has grown exponentially as reproductive technology with more than a dozen of the top pig producers of the world inseminating >95% of the females in production schemes, at either nucleus or multiplication herds. Above 98% of AIs still concern liquid semen, often inseminated just within a day or maximum two from collected and extended, and most often using cer...

Journal: :acta medica iranica 0
amaneh mohammadi roushandeh department of anatomy, school of medicine, tabriz university of medical sciences, tabriz, iran. farnaz sohrabvand vali-e-asr reproductive health research center, tehran university of medical sciences, tehran, iran. saeid amanpour vali-e-asr reproductive health research center, tehran university of medical sciences, tehran, iran. parichehr pasbakhsh department of anatomy, faculty of medicine, tehran university of medical sciences, tehran, iran. abdollah sobhani department of animal sciences, faculty of agriculture, university. of mohghegh ardabili, ardabil, iran. hossein nikzad department of anatomy, faculty of medicine, kashan university of medical sciences, kashan, iran.

important aspect of sperm function such as motility and capacitation appear to be mediated at least partially though hyaloronic acid (ha). present study investigated effects of different doses of ha on sperm motility and vitality in human. sperm was obtained from 20 male from ivf clinic in imam khomeini hospital. sperm motility and vitality in human semen was analyzed according to who criteria ...

Journal: :Proceedings of the National Academy of Sciences 2014

Journal: : 2022

The results of laboratory studies freshly obtained and deep-frozen semen Texel breeding rams in the non-mating mating periods under different modes using 4, 6, 8 ejaculates per week are given. It has been proven that during period, when receiving four compared to 6 ejaculates, ejaculate volume was 11.3 22.6 % higher, respectively. sperm concentration it 5.1 12.2 %, activity higher by 1.7 3.2 th...

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