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Equine sperm count for artificial insemination
Artificial insemination AI is the deliberate introduction of sperm into a female's cervix or uterine cavity for the purpose of achieving a pregnancy through in vivo fertilization by means other than sexual intercourse. It is a fertility treatment for humans, and is common practice in animal breeding , including dairy cattle see Frozen bovine semen and pigs. Artificial insemination may employ assisted reproductive technology , sperm donation and animal husbandry techniques. Artificial insemination techniques available include intracervical insemination and intrauterine insemination. The beneficiaries of artificial insemination are women who desire to give birth to their own child who may be single, women who are in a lesbian relationship or women who are in a heterosexual relationship but with a male partner who is infertile or who has a physical impairment which prevents full intercourse from taking place.
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Quality and fertility of cooled-shipped stallion semen at the time of insemination.
Semen Evaluation - Stallion AI Services
The choice of natural coverage in horses will in most cases be found at small-scale breeders, nevertheless it can be said that artificial insemination AI is becoming more common. The stallion semen is collected from a controlled jump at a phantom mare by a selected stallion. This controlled way of collecting semen gave the possibility for collecting more doses to inseminate different mares from one ejaculate. The mare will be inseminated by an insemination specialist with a straw or a pipette. The advantages of Artificial Insemination in compare with the natural cover is the safety of the stallion and a reduced risk of sexually transmitted diseases. Disadvantages of AI will be minimized by Nifa technologies.
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The effects of different artificial insemination AI techniques and sperm doses on pregnancy rates of normal Hanoverian breed mares and mares with a history of barrenness or pregnancy failure using fresh or frozen-thawed sperm were investigated. The material included normal mares foaling and 39 young maiden mares and 85 problem mares with abnormal reproductive history. Mares were randomly allotted into groups with respect to AI technique routine AI into the uterine body, transrectally controlled deep intracornual AI ipsilateral to the preovulatory follicle, or hysteroscopic AI onto the uterotubal junction ipsilateral to the preovulatory follicle , storage method of semen fresh, frozen-thawed , AI volume 0. The mares were inseminated once per cycle, 24 h after hCG administration when fresh semen was used, or 30 h for frozen-thawed semen.
Stallion semen processing is far from standardized and differs substantially between AI centers. Suboptimal pregnancy rates in equine AI may primarily result from breeding with low quality semen not adequately processed for shipment. It was the aim of the study to evaluate quality and fertility of cooled-shipped equine semen provided for breeding of client mares by commercial semen collection centers in Europe. At arrival, semen temperature was 9. Sperm concentration significantly influenced semen motility and morphology at arrival of the shipped semen.