Plugged Ampullae in a Donkey Stallion (Equus asinus)

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dc.contributor.authorSegabinazzi, Lorenzo Garrido [UNESP]
dc.contributor.authorSilva, Luis Fernando [UNESP]
dc.contributor.authorOkada, Carolina [UNESP]
dc.contributor.authorMedrado, Felipe [UNESP]
dc.contributor.authorPapa, Frederico [UNESP]
dc.contributor.authorAlvarenga, Marco Antonio [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2018-12-11T17:17:47Z
dc.date.available2018-12-11T17:17:47Z
dc.date.issued2018-04-01
dc.description.abstractThe donkey jack sex glands are larger than stallions, responsible for producing most part of seminal plasma and the second fraction of ejaculate, along with epididymis tail. Plugged ampullae occur by sperm accumulation obstructing the lumen, inducing decrease in sperm quality and may cause azoospermia. In this study, a Pêga breed donkey jack, aging 4 years, was evaluated for breeding soundness evaluation due to a sudden decrease in semen parameters and low fertility rates. Palpation, measurements, and ultrasound examinations of testicles were normal; however, rectal palpation revealed increased volume of ampullae and deferent duct, and the transrectal ultrasonography revealed distended ampullae with hyperechogenic material in the ampullae lumen. After ampullae massage, the semen was collected with artificial vagina for evaluation, resulting in high concentrated semen (1.46 × 109 spermatozoa/mL) with low motility (5%), 14% of major defects, and 57% of minor defects. Plugged ampullae were suggested, and the treatment was performed by ampullae massage per rectum and three consecutive semen collections associated with the parenteral use of oxytocin 20 IU iv, aiming to discharge the semen accumulation. Daily regimen of semen collection was recommended during 10 days, and after this time, semen was collected at least three times a week. The semen parameters restored to normal (80% motility) after 30 days. The donkey jack returned to the breeding season with a regimen of 3 days a week of semen collection.en
dc.description.affiliationDepartment of Animal Reproduction and Veterinary Radiology College of Veterinary Medicine and Animal Science Univ Estadual Paulista (UNESP)
dc.description.affiliationUnespDepartment of Animal Reproduction and Veterinary Radiology College of Veterinary Medicine and Animal Science Univ Estadual Paulista (UNESP)
dc.format.extent24-26
dc.identifierhttp://dx.doi.org/10.1016/j.jevs.2017.12.012
dc.identifier.citationJournal of Equine Veterinary Science, v. 63, p. 24-26.
dc.identifier.doi10.1016/j.jevs.2017.12.012
dc.identifier.file2-s2.0-85041561468.pdf
dc.identifier.issn0737-0806
dc.identifier.lattes0473846154288947
dc.identifier.scopus2-s2.0-85041561468
dc.identifier.urihttp://hdl.handle.net/11449/175837
dc.language.isoeng
dc.relation.ispartofJournal of Equine Veterinary Science
dc.relation.ispartofsjr0,390
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectAmpulla
dc.subjectDonkey
dc.subjectObstruction
dc.subjectPlugged
dc.subjectSemen
dc.subjectSpermiostasis
dc.titlePlugged Ampullae in a Donkey Stallion (Equus asinus)en
dc.typeArtigo
unesp.author.lattes0473846154288947

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