title: Transvaginal aspiration.
abstract: This article describes in detail the procedures for collection of equine oocytes using a transvaginal ultrasound probe. Success in obtaining oocytes from humans, bovines, and horses are presented. The effect of repeated follicular aspiration of both cattle and horses is reviewed.
authors.affiliation: Animal Reproduction and Biotechnology Laboratory, Colorado State University, Fort Collins, USA.
authors.forename: E L
authors.initials: EL
authors.lastname: Squires
authors.forename: N L
authors.initials: NL
authors.lastname: Cook
mesh_terms: D000818:Animals; D002417:Cattle; D005260:Female; D005307:Fertilization in Vitro / Q000379:methods / Q000662:veterinary*; D006736:Horses / Q000502:physiology*; D006801:Humans; D018587:Oocyte Donation / Q000379:methods / Q000662:veterinary*; D009865:Oocytes / Q000166:cytology; D006080:Ovarian Follicle / Q000166:cytology / Q000000981:diagnostic imaging* / Q000502:physiology; D010060:Ovulation / Q000502:physiology; D013396:Suction / Q000379:methods / Q000662:veterinary*; D014463:Ultrasonography / Q000379:methods / Q000662:veterinary*; D014621:Vagina