Sperm in mare

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Blogs Across the Fence At Home with Horses Horse Sense and Sensibility Horses and the Law Old Horses: Frozen semen can be stored indefinitely in properly maintained liquid nitrogen tanks for a nominal monthly fee. Although the frozen thawed spermatozoa from some stallions may survive 24 hours or more after insemination, best results are achieved if the semen is inseminated in a period from 12 hours before, until a maximum of 6 hours after ovulation. All of these changes that happen to sperm during the freezing and thawing process affect the ability of the mare to form a sperm reservoir that would otherwise normally happen when mares are bred by natural cover or with fresh semen. Tina Bowling Neonate Username: Spermatozoa that safely have reached the oviduct can be stored in a functional state for several days, but prolonged sperm storage in the female tract is not required for capacitation and fertilization in the horse. The expertise of veterinarians and skills of trained technicians, on both the stallion and mare side of a breeding operation, can optimize the chances of success.
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Semen Comparison: Live Cover, Fresh, Cooled and Frozen

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Breeding a Mare with Transported Semen

The information from these studies is integral to a successful equine breeding operation. The thawing of semen is dependent on the type of package in which the semen was frozen. PubMed US National Library of Medicine National Institutes of Health. LinkOut - more resources Full Text Sources Elsevier Science Other Literature Sources COS Scholar Universe.
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