نتایج جستجو برای: artificial insemination

تعداد نتایج: 290674  

Journal: :Theriogenology 2007
M Coulon C Baudoin M Depaulis-Carre Y Heyman J P Renard C Richard B L Deputte

While an increasing number of animals are produced by means of somatic cloning, behavioral studies on cloned animals are still rare. The aim of this study was to investigate whether the somatic cloning procedure has an influence on locomotion, exploratory, vocal and social behaviors of heifers. Ten heifers were used in the present study. Five of them were cloned heifers derived from somatic cel...

Journal: :Human reproduction 1997
P A Flierman H V Hogerzeil D J Hemrika

In a prospective, randomized study of insemination with donor semen, intracervical insemination by straw was compared with insemination using a cervical cap with an intracervical reservoir. A total of 91 patients completed 486 treatment cycles. There were no significant differences in age, parity, indication for insemination by donor, or method of cycle monitoring between women who became pregn...

2014
R. A. Ledezma-Torres L. Sandoval P. Valladares M. Mellado F. J. Picón R. Ramírez F. Sánchez

The aim of this study was to assess the effect of cooling on sperm motility before and after frozenthawed stallion semen. Fifteen ejaculates of three stallions were collected with artificial vagina. The progressive motility was determined under microscope immediately after collection, cooling (5°C for 0, 2, 7 or 24 h) before frozen-thawed and cooling (5°C for 0, 2, 7 or 24 h) after the semen wa...

Journal: :The British journal of venereal diseases 1972
N J Fiumara

Gonorrhoea is now pandemic throughout the world with about 150 million cases occurring annually. In the United States alone, the annual incidence of gonorrhoea has been estimated by the Public Health Service at 21 million, and this sharp increase has resulted in many physicians becoming reacquainted with this interesting and complex disease from both the clinical and the epidemiological viewpoi...

Journal: :علوم دامی ایران 0
مسعود دیدارخواه مهرداد محمدی مختار مهدیزاده

the objective of this study was to determine the best time for artificial insemination in taleshi ewes. one hundred and fifty ewes were randomly allotted to three groups (n=50/per group). estrus was synchronized with intravaginal insertion of controlled internal drug release (cidr) for 14 days. at the time of cidr removal pmsg (300iu) was injected to the ewes. the first (ai28), second (ai40) an...

Journal: :Australian Journal of Biological Sciences 1988

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