Equine adult twins
Two for One: Twinning in Horses - Kentucky Equine Research
Favorite. Share: Seeing Double: Handling Equine Twins. Although it is possible for a mare to deliver the occasional set of healthy twin foals. Photo: www.epilepsy-brain-mind2014.eu
Mother Nature clearly does not favor the birth of equine twins, as a significant number of In horses, it is rare that a fertilized egg splits to form identical twins.
Presumed monozygotic twins develop following transfer of an in vitro-produced equine embryo
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Firstly twins are repeatable within the same mare, secondly twinning rate The reason for lack identical twin formation in the horse is probably related to the.
Description:The first, known as dichorionic diamniotic, is a result of embryo division prior to differentiation of the early embryonic cells. Most dizygotic twin embryos that fixate bilaterally in the uterine horns enter the fetal stage of development, but are unlikely to survive to term [ 6 ]. The mare underwent follicular aspiration of a pre-ovulatory follicle as previously described [ 2 ]. It is postulated that this occurs by the deprivation of one embryo of embryonal-maternal exchange. In humans, it has been reported that there is an increased rate of monozygotic twinning after the use of assisted reproductive technologies ART [ 3 ]. The third type is monochorionic monoamniotic, which results if division took place after implantation of the blastocyst. The others were obtained by artificial insemination followed by embryo flush and transfer to recipient mares.
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