搜索结果: 1-15 共查到“insemination”相关记录28条 . 查询时间(0.093 秒)
Effect of insemination-related factors on pregnancy rate using sexed semen in Holstein heifers
Holstein sex-sorted semen estrus sperm quality intracornual insemination fertility
2016/12/20
The objectives were to determine the effects of insemination with sexed semen at spontaneous and induced estrus, fixed-time insemination at synchronized estrus, the deposition site, estrous intensity,...
Effects of GnRH, PGF2α and oxytocin treatments on conception rate at the time of artificial insemination in lactating dairy cows
cow spontaneous oestrus GnRH PGF2伪 oxytocin pregnancy
2015/6/9
In several studies, hormones such as gonadotropin-releasing hormone (GnRH), prostaglandins and oxytocin were used to increase pregnancy rate by inducing ovulation and improving the sperm transport in ...
Stochastic simulation of the influence of insemination on the estimation of breeding value and its reliability
beef cattle breeding value connectedness reference sires reliability stochastic simulation
2015/6/4
Insemination is used less commonly in the population of beef cattle than in dairy cattle. As a consequence, herds are genetically isolated and their comparison is difficult. The objective of the paper...
Single fixed-time laparoscopic intrauterine insemination as a tool to obtain low-diversity porcine embryos
laparoscopic insemination embryo diversity pig
2015/4/16
Double fixed-time insemination after ovulation induction is commonly used in pigs to obtain in vivo produced embryos at defined stages of development for downstream biotechnological applications. Howe...
Pig Spermatozoa Defect in Acrosome Formation Caused Poor Motion Parameters and Fertilization Failure through Artificial Insemination and In vitro Fertilization
Boar Sperm Motion Parameters In vitro Fertilization Acrosome Defect
2016/5/17
The selection of morphologically normal spermatozoa is critical to obtain high breeding performances in boar breeding farms and artificial insemination (AI) centers. Parameters for the selection of se...
Single or double sperm wash processing by density gradient centrifugation: effect on clomiphene citrate induced intrauterine insemination cycle outcomes
Intrauterine insemination single sperm wash double sperm wash density gradient centrifugation sperm motility
2011/3/22
To compare the motility yields of single or double wash after density gradient centrifugation of the ejaculate and their effects on pregnancy rates in clomiphene citrate induced intrauterine inseminat...
Effects of Repeated Artificial Insemination on the Structure and Function of Oviducal Sperm Storage Tubules in Hens
artificial insemination chicken fertility decline oviduct sperm storage tubules
2009/7/31
The goal of this study was to determine the mechanism by which the fertility was declined by repeated artificial insemination (AI) in laying hens. The structures of sperm storage tubules (SST) and lym...
Growth Rate and Slaughter Value of Goslings Obtained after Geese Insemination with Fresh or Frozen-Thawed White Koluda® Gander Semen
freezing gander semen goslings growth rate slaughter yeld
2009/7/30
The aim of the study was to evaluate the growth rate and post mortem values of two groups of White Koluda® goslings. Each group consisted of 5 males and 5 females. The first group originated from ...
Comparison of semen parameters between pregnant and nonpregnant couples with male factor infertility during intrauterine insemination
Male factor semen parameter sperm concentration pregnancy
2010/1/12
Aim: To compare the semen parameters between pregnant and nonpregnant couples with male factor infertility during intrauterine insemination (IUI). Materials and Methods: The study included a total of ...
Eruptive Movements of Lower First Molar in the Rat From 13 Days Insemination Age to 30 Days after Birth
Eruptive Movements Lower First Molar Rat
2009/3/15
Eruptive Movements of Lower First Molar in the Rat From 13 Days Insemination Age to 30 Days after Birth.
Cryopreservation of Spermatozoa and Artificial Insemination：Past, Present, and Future
cryopreservation semen quality bull semen human semen semen donors
2009/2/19
This review article is intended to provide an in-depth analysis of the principles and programs established, as well as problems overcome, that have led to a successful artificial insemination (AI) p...
Fertility and its relationship to motility characteristics of spermatozoa in ewes after cervical, transcervical, and intrauterine insemination with frozen-thawed ram semen
Proline glycine betaine sperm cryopreservation
2009/2/18
The fertility of ewes after artificial insemination and the relationship between fertility and motility characteristics assessed by a computerized motility analysis system were examined with ram semen...
Exposure of thawed frozen bull sperm to a synthetic peptide before artificial insemination increases fertility
Enhancement of fertility bovine sperm prosaposin
2009/2/18
We evaluated the effect on fertility of in vitro exposure of thawed frozen bull sperm to synthetic FertPlus peptide prior to artificial insemination (AI). The peptide represented a 60-amino acid s...
Successful treatment of severe oligozoospermia with sperm washing and intrauterine insemination
Sperm processing artificial insemination male infertility
2009/2/17
During the period January 1, 1991 through December 31, 1995, 258 patients, in whom motile sperm counts for insemination (postwash, processed) were 10.0 million motile sperm or less were seen in the ...
Evaluation of the effect of the absence of sperm with rapid and linear progressive motility on subsequent pregnancy rates following intrauterine insemination or in vitro fertilization
Sperm separation motility gradIng linear velocity
2009/2/16
The objective of this study was to investigate the association of rapid and linear progressive motility in seminal and Percoll-separated sperm with the outcome of intrauterine insemination (IUI) and...